SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 1

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In the following question, select the related word pair from the given alternatives.
Heart : Organ : : ? : ?

A

Bus : Vehicle

B

Car : Road

C

Ship : Sea

D

Train : Rail

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 2

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In the following question, select the related word from the given alternatives.
Big : Small :: Solid : ?

A

Metal

B

Liquid

C

Smoke

D

Cold

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 3

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In the following question, select the related word from the given alternatives.
Calculator : Calculations :: Scale : ?

A

Inches

B

Centimeters

C

Measure

D

Steel

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 4

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In the following question, select the related letters from the given alternatives.
MUFT : PXIW : : GONE : ?

A

HMRL

B

JSPA

C

JRQH

D

HQRF

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 5

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In the following question, select the related letters from the given alternatives.
PINK : TMRO :: SOLD : ?

A

HQTX

B

WSPH

C

HAQV

D

AQBH

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 6

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In the following question, select the related letters from the given alternatives.
SW : VA : : LT : ?

A

NY

B

LA

C

OX

D

OL

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 7

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In the following question, select the related number pair from the given
alternatives.
19 : 363 :: ? : ?

A

16 : 259

B

13 : 171

C

14 : 199

D

14 : 195

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 8

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In the following question, select the related number from the given alternatives.
42 : 105 :: 38 : ?

A

111

B

135

C

95

D

83

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 9

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In the following question, select the related number from the given alternatives.
24 : 39 :: 49 : ?

A

68

B

64

C

69

D

79

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 10

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In the following question, select the odd word from the given alternatives.

A

Liver

B

Intestine

C

Organ

D

Lungs

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 11

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In the following question, select the odd word from the given alternatives.

A

Black

B

Yellow

C

Rainbow

D

Pink

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 12

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In the following question, select the odd word from the given alternatives.

A

Arteries

B

Veins

C

Hand

D

Bones

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 13

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In the following question, select the odd letters from the given alternatives.

A

RLF

B

MGA

C

EYR

D

HBV

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 14

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In the following question, select the odd letters from the given alternatives.

A

IR

B

KP

C

GT

D

OV

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 15

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In the following question, select the odd letters from the given alternatives.

A

XTQMJ

B

FBYUR

C

GCZVS

D

TPMIE

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 16

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In the following question, select the odd number from the given alternatives.

A

4 - 21

B

7 - 54

C

6 - 41

D

3 - 16

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 17

Report

In the following question, select the odd number pair from the given alternatives.

A

11 - 17

B

23 - 31

C

43 - 59

D

41 - 47

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 18

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In the following question, select the odd number pair from the given alternatives.

A

12 - 156

B

13 - 182

C

14 - 210

D

15 - 230

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 19

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Arrange the given words in the sequence in which they occur in the dictionary.
1. Shocking
2. Shiver
3. Shelter
4. Shorten
5. Shudder

A

23145

B

32145

C

14523

D

41523

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 20

Report

According to dictionary, which of the following word will come at LAST position?
1. Operation
2. Orderly
3. Openly
4. Opulent
5. Oral

A

Oral

B

Orderly

C

Opulent

D

Operation

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 21

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From the given alternatives, according to dictionary, which word will come at THIRD position?

A

Passage

B

Pastime

C

Patience

D

Pathetic

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 22

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A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
AGM, FLR, KQW, PVB, ?

A

UAG

B

VLC

C

CGN

D

PNO

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 23

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A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
FROM, CNLI, ZJIE, WFFA, ?

A

ACNG

B

TCCX

C

TBCW

D

FRIP

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 24

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A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
TRO, PNK, LJG, ?, DBY

A

FBC

B

FNB

C

FRN

D

HFC

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 25

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In the following question, select the missing number from the given series.
11, 16, 21, 13, 19, 25, 15, 22, 29, ?, 25

A

18

B

17

C

19

D

21

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 26

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In the following question, select the missing number from the given series.
2112, 2328, 2671, 3183, ?, 4912

A

3826

B

3742

C

3912

D

3992

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 27

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In the following question, select the missing number from the given series.
21, 22, 34.5, 71, 180, 543, ?

A

1864

B

2234

C

2336

D

1904

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 28

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M is 2 years older than P. L is 2 years older than O. O's age is the average of the ages of L and N, P's age is the average of the ages of L and M and L's age is the average of P and O. Who is the youngest?

A

L

B

M

C

N

D

O

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 29

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X said to Y that your mother's father-in-law's wife is mother-in-law of my father. How are X and Y related?

A

X is sister's husband of Y

B

X is child of Y's father's sister

C

Y is father's brother of X

D

Y is sister's husband of X

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 30

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From the given alternative words select the word which cannot be formed using the letters of the given word.
GEOGRAPHIC

A

cheap

B

rogue

C

price

D

graph

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 31

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If BANQUET is coded as ZYLOSCR, then how will NEW be coded as?

A

MVD

B

MDV

C

LCU

D

OFX

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 32

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In a certain code language, 9124 means 'run around the block', 2548 means 'don’t block the path' and 4763 means 'chock a block full'. Find the code for 'the'.

A

1

B

9

C

2

D

4

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 33

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In a certain code language, '$$+$$' represents '$$-$$', '$$-$$' represents '$$\times$$', '$$\times$$' represents '$$\div$$' and '$$\div$$' represents '$$+$$'. Find out the answer to the following question.
$$90 \times 10 \div 25 - 5 + 50 = ?$$

A

81

B

84

C

100

D

48

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 34

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If 11 @ 7 = 2, 18 @ 0 = 9 and 22 @ 20 = 1, then find the value of 16 @ 10 = ?

A

6

B

160

C

26

D

3

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 35

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If A * B means A is father of B, A + B means A is sister of B and If A % B means A is daughter of B, then what does C * D % E + F mean?

A

C is F's husband

B

C is F's wife's brother

C

C is father of F

D

C is F's sister's husband

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 36

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Select the missing number from the given responses.

A

1

B

9

C

-1

D

-9

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 37

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Which of the following terms follows the trend of the given list?
CABABABAB, ACBABABAB, ABCABABAB, ABACBABAB, ABABCABAB, ______________.

A

ABABABACB

B

ABABABCAB

C

ABABACBAB

D

ABABABABC

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 38

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A ship starts from the port and sails 43 miles East, then it turns South and sails 17 miles, then it turns West and sails 25 miles, then it turns to its right and sails 17 miles. Where is it with respect to the port from where it started?

A

18 miles West

B

68 miles East

C

18 miles East

D

68 miles West

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 39

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Two planes start from the same strip. Plane P flies 15 miles West, then turns left flies 22 miles and lands. In the meanwhile plane Q flies 7 miles South, then flies 11 miles East, then turns to its right, flies 15 miles and lands. Where is plane Q with respect to plane P?

A

26 miles East

B

26 miles West

C

4 miles East

D

4 miles West

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 40

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In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.
Statement I: All officers are mothers
Statement II: Some doctors are mothers
Conclusion I: All doctors are mothers
Conclusion II: Some mothers are officers

A

Only conclusion I follows

B

Only conclusion II follows

C

Both conclusions I and II follow

D

Neither conclusion I nor conclusion II follows

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 41

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In the question three statements are given, followed by three conclusions, I, II and III. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.
Statement I: All desert is jungle
Statement II: All sand is desert
Statement III: No trees are jungle

Conclusion I: No trees are desert
Conclusion II: No sand is trees
Conclusion III: All jungle is sand

A

Only conclusion I follows

B

Only conclusion II follows

C

Only conclusions I and II follow

D

None of the conclusions follow

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 42

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Which of the following cube in the answer figure cannot be made based on the unfolded cube in the question figure ?

A

B

C

D

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 43

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Which of the following figure patterns can be combined to make the question figure ?

A

B

C

D

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 44

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In the following figure, square represents Artists, triangle represents Military officers, circle represents Collectors, and rectangle represents Fathers. Which set of letters represents collectors who are either military officers or fathers ?

A

H

B

B

C

G

D

F

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 45

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Which of the following Venn diagrams represents the relationship between Women, Mothers and Teachers ?

A

B

C

D

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 46

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Which of the following figure will complete the pattern in the question figure ?

A

B

C

D

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 47

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From the given answer figures, select the one in which the question figure is hidden/embedded.

A

B

C

D

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 48

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A piece of paper is folded and punched as shown-below in the question figures. From the given answer figures, indicate how it will appear when opened.

A

B

C

D

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 49

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If the mirror is placed on the line MN, then which of the following answer figures is the right image of the given figure?

A

B

C

D

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 50

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A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are  represented by two classes of alphabets as shown in the given two matrices. The columns and rows of Matrix-I are numbered from 0 to 4 and that of Matrix-II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, for example 'H' can be represented by 21, 43 etc and 'R' can be represented by 96, 87 etc. Similarly, you have to identify the set for the word 'POEM'.

A

76,69,01,33

B

56,88,23,41

C

89,56,44,02

D

75,68,44,33

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 51

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Depreciation of fixed assets is an example of __________.

A

deferred revenue expenditure

B

capital expenditure

C

capital gain

D

revenue expenditure

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 52

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Which one of the following is not a feature of monopolistic competition?

A

Large number of buyers and sellers in the market

B

Differentiated products constitute the market

C

Product in the market is homogeneous

D

Selling costs are used for sale promotion

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 53

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What is the maximum loan amount permissible under the MUDRA Yojana?

A

Rs. 50,000

B

Rs. 1 lakh

C

Rs. 5 lakh

D

Rs. 10 lakh

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 54

Report

As per a latest classification of countries by the World Bank India now belongs to
which of the following category?

A

Upper-lower income country

B

Lower-middle income country

C

Middle-middle income country

D

Lower-upper income country

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 55

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As per census 2011, which state had the lowest sex ratio?

A

Punjab

B

Haryana

C

Uttar Pradesh

D

Bihar

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 56

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Pluralist Theory of Sovereignty emphasizes the importance of which of the
followings?

A

Association

B

Monarch

C

State

D

Government

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 57

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In which of the following countries the system of judicial review was originated?

A

France

B

Germany

C

USA

D

Britain

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 58

Report

Under which article of the Indian Constitution is the District Planning Commission
constituted?

A

Article 243 ZD

B

Article 244 ZD

C

Article 242 ZD

D

Article 243 ZE

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 59

Report

Which kind of majority is required for constitutional amendment in forming a new
state?

A

Simple

B

Two-third

C

Three-fourth

D

Two-third plus ratification by half of all states

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 60

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Which officer of the Government of India has the right to take part in the
proceedings of parliament of India even though he is not a member?

A

Vice-President

B

Attorney General of India

C

Comptroller and Auditor General

D

Election Commission

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 61

Report

The term 'Stupa' is associated with which of the following event of Gautam
Buddha’s life?

A

Death

B

First Sermon

C

Birth

D

Renunciation

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 62

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Who was the last ruler of the Gupta Dynasty?

A

Puru Gupta

B

Vishnu Gupta

C

Skanda Gupta

D

Kumar Gupta

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 63

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Where was Guru Govind Singh educated and learnt Persian?

A

Lahore

B

Amritsar

C

Patna

D

Anandpur Sahib

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 64

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Which of the following was the precursor of Indian National Congress?

A

Servents of Indian Society

B

Indian Association

C

Indian National Union

D

Indian League

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 65

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During which governor general's time was the annexation of Sindh in British State
done?

A

Lord Dalhousie

B

Lord Chelmsford

C

Lord Ellenborough

D

Lord Hastings

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 66

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What is the second most abundant element on Earth's crust?

A

Carbon

B

Silicon

C

Oxygen

D

Hydrogen

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 67

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What is called a shallow stretch of river that may be crossed on feet.?

A

Ford

B

Atoll

C

Reef

D

Lagoon

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 68

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Which among the following is a cold-dry wind?

A

Hurricane

B

Tornado

C

Bora

D

Cyclone

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 69

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The man-made reservoir Gobind Sagar located in Bilaspur is situated in which of
the following states?

A

Uttarakhand

B

Uttar Pradesh

C

Punjab

D

Himachal Pradesh

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 70

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Which among the following rivers does not flow from East to West?

A

Narmada

B

Tapti

C

Cauvery

D

Mahi

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 71

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Which of the following historical monument has been chosen as a "Swachh
Bharat Icon" by the Union Government on November 21, 2017.

A

Haveli Dharampur

B

Charminar

C

Amaravati

D

Vishwa Bharati

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 72

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As per a recent announcement, where will India's first Electronic Manufacturing
Cluster (EMC) come up?

A

Andhra Pradesh

B

Maharashtra

C

Rajasthan

D

West Bengal

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 73

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Which of the following is a multilevel global campaign to spread awareness about
importance of girl’s education?

A

Girl Rising

B

Most Important Part of Our Life: Girls

C

Save Girls: Educate Girls

D

Education of Girls

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 74

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Which country will host the Summer Olympics 2020?

A

Qatar

B

Tokyo

C

Rome

D

Jakarta

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 75

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Which of the following sportsperson is not correctly matched with their respective
discipline?

A

Jitu Rai : Shooting

B

P.V. Sindhu : Badminton

C

Sakshi Malik : Boxing

D

Deepa Karmakar : Gymnastic

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 76

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“A Better India : A Better World” is written by ______.

A

Arun Jaitley

B

Aamer Hussein

C

N. R. Narayan Murthy

D

C. Raja Mohan

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 77

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Which among the following has won the Nobel Prize for Chemistry in October
2017?

A

Jacques Dubochet

B

Joachim Frank

C

Richard Henderson

D

All options are correct.

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 78

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On birth anniversary of social reformer Basavana how many volumes of Vachana
were released by Narendra Modi in April, 2017?

A

21

B

20

C

23

D

25

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 79

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In May 2017, with which country India has signed an agreement on Maritime
Security?

A

Sri Lanka

B

Bangladesh

C

Mauritius

D

China

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 80

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Which neighbouring country of India measures prosperity by gauging its citizens’
happiness level?

A

Pakistan

B

Nepal

C

Sri Lanka

D

Bhutan

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 81

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In which communication mode, data can be transmitted in both directions at
same time?

A

Simplex

B

Full duplex

C

Half duplex

D

Multiplex

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 82

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The computer program that converts assembly language to machine language is
called ______.

A

Complier

B

Interpreter

C

Assembler

D

Comparator

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 83

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Which is a base metal of amalgam alloy?

A

Aluminium

B

Mercury

C

Copper

D

Zinc

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 84

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Which of the following is the structure of graphite?

A

Rigid three-dimensional

B

Hexagonal

C

like Football

D

No option is correct.

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 85

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A wooden spoon is dipped in a cup of ice cream. Its other end will ______.

A

become cold by the process of conduction

B

become cold by the process of convection

C

become cold by the process of radiation

D

not become cold

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 86

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Which acid is the most abundant acid found in grapes?

A

Oxalic acid

B

Ascorbic acid

C

Tartaric acid

D

Formic acid

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 87

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The splitting of white light into its component colours is called ______.

A

diffraction

B

refraction

C

dispersion

D

scattering

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 88

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Which of the following statements are CORRECT ?
I. Change in magnetic field produces induced current.
II. Flow of current in a conductor produces magnetic field.
III. Magnetic field related to coil can be produced by motion between conductor and coil.

A

Only I and II

B

Only I and III

C

Only II and III

D

All statements are correct.

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 89

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Which gas is used as a fuel in a rocket?

A

Radon

B

Hydrogen

C

Chlorine

D

Nitrogen

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 90

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Which of the following is good insulator?

A

Mercury

B

Cadmium

C

Germanium

D

Glass

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 91

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Which is the most abundant Vitamin found in carrot?

A

Vitamin A

B

Vitamin B

C

Vitamin C

D

Vitamin D

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 92

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How the rate of absorption of water through roots can be increased?

A

Keeping the plants in the shade

B

Keeping the plants in the dim light

C

Keeping the plants under the fan

D

Covering the plants with a polythene bag

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 93

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A spore producing plant is ______.

A

rose

B

bread mould

C

potato

D

ginger

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 94

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Which chromosome is responsible for manliness in man?

A

XO

B

YO

C

XX

D

XY

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 95

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The human eye forms the image of an object at its ______.

A

cornea

B

iris

C

pupil

D

retina

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 96

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Which of the following is NOT a multicellular organism?

A

Fungi

B

Spirogyra

C

Hydra

D

Paramecium

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 97

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Which disease is caused by cadmium metal pollution?

A

Minamata

B

Itai-Itai

C

Asthma

D

Dermatitis

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 98

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Which of the following is an organic gas?

A

Carbon dioxide

B

Carbon monoxide

C

Ethylene dichloride

D

Nitrogen dioxide

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 99

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Basel Protocol is related to which of the following?

A

Ozone layer

B

Burning of forests

C

Sea water pollution

D

Trans-boundary hazardous dumping

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 100

Report

Which of the following is parasitic food chain?

A

Trees $$\rightarrow$$ Fruits eating birds $$\rightarrow$$ Lice and bugs

B

Grass $$\rightarrow$$ Rabbit $$\rightarrow$$ Fox $$\rightarrow$$ Tiger

C

Grass $$\rightarrow$$ Grasshopper $$\rightarrow$$ Frog $$\rightarrow$$ Snake $$\rightarrow$$ Hawk

D

Phytoplankton $$\rightarrow$$ Zooplankton $$\rightarrow$$ Fish $$\rightarrow$$ Hawk

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 101

Report

The number of joints (j) which constitutes a kinematic chain can be expressed in terms of number of links (l) as ________.

A

$$ j = \frac{3}{4} l - 2 $$

B

$$ j = \frac{3}{2} l + 2 $$

C

$$ j = \frac{3}{2} l - 2 $$

D

$$ j =l - \frac{2}{3} $$

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 102

Report

Which of the following will lead to the formation of higher pair?

A

Sliding pair

B

Turning pair

C

Rolling pair

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 103

Report

What is the degree of freedom of the mechanism shown below?

A

1

B

2

C

3

D

4

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 104

Report

Which of the following statement is TRUE regarding work done per cycle?

A

Work done per cycle is directly proportional to the mean torque

B

Work done per cycle is directly proportional to the angle turned in one revolution

C

Work done per cycle is inversely proportional to the angle turned in one revolution

D

Both Work done per cycle is directly proportional to the mean torque and Work done per cycle is directly proportional to the angle turned in one revolution

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 105

Report

The angular acceleration and the moment of inertia of the flywheel is 0.6 rad/s$$^2$$ and 2500 kg.m$$^2$$ respectively. What is the kinetic energy ( in kN-m) of the flywheel after 10 seconds from the start?

A

45

B

450

C

4.5

D

4500

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 106

Report

The power transmission takes place from a pulley of diameter 1 m running at the speed of 250 rpm to a pulley of 2.50 m diameter by means of a belt. Determine the speed (in rpm) of the driven pulley?

A

110

B

150

C

100

D

625

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 107

Report

The scotch yoke mechanism is the inversion of

A

four bar link chain

B

double slider crank chain

C

single slider crank chain

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 108

Report

Which of the following is NOT the inversion of single slider crank chain?

A

Pendulum pump

B

Whitworth quick return motion mechanism

C

Oscillating cylinder engine

D

Elliptical trammel

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 109

Report

Which of the following theory is used in the design of clutches, when the friction linings get worn out?

A

Uniform pressure theory

B

Uniform wear theory

C

Uniform friction theory

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 110

Report

The equation for the calculation of torque transmitting capacity in the conical clutch as per uniform wear theory is ________.

A

$$ M_{t} = \frac{\mu P}{4 \sin \alpha}(D + d ) $$

B

$$ M_{t} = \frac{\mu P}{4 \sin \alpha}(D - d ) $$

C

$$ M_{t} = \frac{\mu P}{\sin \alpha}(D - d ) $$

D

$$ M_{t} = \frac{ 2 \mu P}{\sin \alpha}(D - d ) $$

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 111

Report

Which of the following statement is TRUE about the length of arc of contact?

A

Inversely proportional to the module

B

Varies directly to the length of the path of contact

C

Inversely proportional to the circular pitch

D

All option are correct

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 112

Report

The profile of gears having module of 12 mm and length of arc of contact is 60 mm. What is the contact ratio of the gear profile?

A

2

B

1.2

C

1.6

D

5

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 113

Report

Which of the following is NOT the type of loaded type governor?

A

Dead weight governor

B

Spring controlled governor

C

Watt governor

D

Porter governor

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 114

Report

The types of failure involved in the analysis of the riveted joints are?
(1) Shear failure of rivet
(2) Tensile failure of the plate
(3) Crushing failure of the plate

A

(1) an d (2) only

B

(2) and (3) o nly

C

(1) (2) and (3 )

D

(1) and (3) only

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 115

Report

Which of the following options is correct about the motion of the follower?

A

Unifor m velocity

B

Simple harmonic motion

C

Uniform ac celeration

D

All option are correct

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 116

Report

When a body is said to be in dynamic equilibrium?

A

When the body is moving with non uniform accelerations.

B

When the body is in uniform motion alo ng a circular path.

C

When the body is in uniform motion along a s traight line.

D

When the body is moving with instantaneous veloci ty.

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 117

Report

Which of the following term can also be used to state the dynamic equilibrium?

A

Transl atory equilibrium

B

Static equ ilibrium

C

Kineti c equilibrium

D

Rotatio nal equilibrium

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 118

Report

What is the direction of application of friction force with respect to the direction of motion of an object?

A

Same

B

Perpendicular

C

Opposite

D

Downward

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 119

Report

What is the S.I unit of Poisson’s ratio?

A

$$ kN/mm^2 $$

B

$$ N/mm^2 $$

C

$$ mm $$

D

$$ Unitless $$

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 120

Report

Maximum principal stress theory was postulated by ________.

A

ST Venant

B

Mohr

C

Rankine

D

Tresca

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 121

Report

The equivalent length of the column, when both the ends are hinged is ________.

A

$$l$$

B

$$\frac{l}{2}$$

C

$$\frac{l}{4}$$

D

$$2l$$

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 122

Report

The expression for the slenderness Ratio ratio of the columns is given as ________.

A

$$\left(\frac{l_e}{K_{min}}\right)^2$$

B

$$\left(\frac{2l_e}{K_{min}}\right)^2$$

C

$$\left(\frac{l_e}{K_{min}}\right)$$

D

$$\left(\frac{2l_e}{K_{min}}\right)$$

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 123

Report

The expression for the Rankine’s crippling load is given as________.

A

$$P = \frac{\sigma_c A}{1 - K \left(\frac{l_e}{K}\right)^2}$$

B

$$P = \frac{\sigma_c A}{1 + K \left(\frac{l_e}{K}\right)^2}$$

C

$$P = \frac{\sigma_c A}{1 - 2K \left(\frac{l_e}{K}\right)^2}$$

D

$$P = \frac{\sigma_c A}{1 + 2K \left(\frac{l_e}{K}\right)^2}$$

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 124

Report

What is the ratio of the Euler’s buckling loads of column having (i) both ends fixed and (ii) one end fixed and other end free is?

A

4 : 1

B

16 : 1

C

1 : 4

D

2 : 1

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 125

Report

The thin walled cylindrical vessel has the wall thickness t and diameter d is subjected to the gauge pressure of p. If the diameter of the vessel is doubled, then what is the ratio of hoop stress as compared to initial value?

A

1 : 1

B

2 : 1

C

1 : 2

D

1 : 4

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 126

Report

A metal pipe is subjected to internal pressure of $$ 10 kgf/cm^2$$. If the permissible tensile stress in the metal is $$ 200 kgf/cm^2$$ and the thickness of the pipe is 2.5 cm. What is the diameter of the metal pipe?

A

10

B

100

C

200

D

20

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 127

Report

A power transmission shaft of diameter d rotating at the speed of N rpm. The power P is related to diameter d and N as________.

A

$$P \propto (Nd^3)$$

B

$$P \propto (Nd^3)^{\frac{1}{2}}$$

C

$$P \propto (Nd^3)^{\frac{2}{3}}$$

D

$$P \propto (Nd^3)^{\frac{1}{3}}$$

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 128

Report

Which is the correct option for the stress experienced by the shaft when the power transmission in shaft takes place through the gears?

A

Varyin g bending and constant torsional stresses

B

Constant bending and varying tors ional stresses

C

Torsional stress

D

Bending stress only

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 129

Report

A beam of diameter 75 mm has a span length of 10 m is subjected to uniform distributed load of w kN/m. The maximum value of bending stress produced is 6.75 kN-m. What is the value of distributed load, if the beam is simply supported?

A

1.5

B

0.54

C

2

D

5.4

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 130

Report

A steel bar of dimension 10 mm x 1 mm x 1 mm is free to expand is heated from $$ 15^\circ C $$ to $$ 25^\circ C $$ What stress shall be developed?

A

Tensile stress

B

No stress

C

Shear stress

D

Compressive stress

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 131

Report

For a pure substance in gaseous phase to be liquefied, the gas has to undergo initial cooling below the ________.

A

critica l state

B

saturated liquid line

C

saturated v apor line

D

triple point line

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 132

Report

What is the CORRECT order of decrease in entropy?
(a) solid phase
(b) Liquid phase
(c) Gaseous phase

A

$$(a) > (b) > (c)$$

B

$$(c) > (b) > (a)$$

C

$$(c) > (a) > (b)$$

D

$$(a) > (c) > (b)$$

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 133

Report

The entropy always increases for an isolated system and when the equilibrium is reached, it is ________.

A

maximum

B

same as the initial starting state

C

more than initial st arting state

D

zero

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 134

Report

A Carnot engine operates between T1 and T2. If there is an increase in source temperature by t and a decrease in sink temperature by t. How is the efficiency in both cases is related?

A

$$ \eta_1 > \eta_2 $$

B

$$ \eta_1 < \eta_2 $$

C

$$ \eta_1 = \eta_2 $$

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 135

Report

In a surrounding, the amount of irreversibility of a process undergone by a system is determined by ________.

A

entropy change of the system

B

entropy change of the surrounding

C

entropy increase of the universe

D

entropy decrease of the universe

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 136

Report

In an Otto cycle, r is the compression ratio and $$ \gamma $$ is the adiabatic index.Which relation defines the air standard efficiency?

A

$$\eta = 1 - \frac{1}{r^{\gamma - 1}}$$

B

$$\eta = 1 - \frac{1}{r^\gamma}$$

C

$$\eta = 1 - \frac{1}{r^\gamma + 1}$$

D

$$\eta = 1 - \frac{1}{\frac{\gamma}{r^{\gamma + 1}}}$$

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 137

Report

For the same operating maximum pressure and temperature, which cycle will have the highest efficiency?

A

Diesel cycle

B

Dual cycle

C

Otto cycle

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 138

Report

The mean effective pressure of Otto cycle is given by ________.

A

$$p_m = \frac{p_1 r_k(r_p - 1)(r_k^{\gamma - 1} - 1)}{(\gamma - 1)(r_k - 1)}$$

B

$$p_m = \frac{p_1 r_k(r_p - 1)(r_k^{\gamma + 1} - 1)}{(\gamma + 1)(r_k - 1)}$$

C

$$p_m = \frac{p_1 r_k(r_p + 1)(r_k^{\gamma - 1} - 1)}{(\gamma - 1)(r_k + 1)}$$

D

$$p_m = \frac{p_1 r_k(r_p - 1)(r_k^{\gamma + 1} - 1)}{(\gamma - 1)(r_k - 1)}$$

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 139

Report

What is the state at which phase change occurs without a change in pressure and temperature is known as?

A

Critical state

B

Saturation state

C

Equillibrium state

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 140

Report

What value of the dryness fraction (in %) represents the dry saturated state of vapour?

A

0

B

25

C

50

D

100

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 141

Report

Which factor contributes to the efficiency of the Otto cycle?

A

Compression ratio

B

Operating pressure

C

Operating temperature

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 142

Report

If a Carnot refrigerator has a COP of 6. What is the ratio of the lower to the higher absolute temperature?

A

1 - 6

B

7 - 8

C

6 - 7

D

1 - 7

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 143

Report

Which of the below stated are properties of a PMM-2?
(1) When net work is equal to the heat absorbed and work efficiency is 100%.
(2) Heat is exchanged from one heat reservoir only.
(3) It violates Kelvin-Planck statement.
(4) It is a hypothktical machine.

A

(1), (2 ) and (4)

B

(1), (3) and (4)

C

(2), (3) and (4)

D

(1), (2), (3) and (4)

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 144

Report

Tonnes of refrigeration mean ________.

A

the we ight of the machine is one tonne.

B

the weight of the refr igerant is one tonne.

C

the rate of the heat ext raction is one tone.

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 145

Report

What is the ratio W/Q (W= work transfer from cycle, Q = heat transfer to the cycle) known as?

A

Air standard efficiency

B

Specific consumption

C

Specific work transfer

D

Work ratio

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 146

Report

What processes does Carnot cycle consist of?

A

Two isothermal and two adiabatic processes

B

Two isothermal and two constant volume processes

C

Two isothermal and two constant pressure processes

D

Two constant pressure and two constant volume processes.

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 147

Report

What is the temperature at which a system goes under a reversible isothermal process without heat transfer?

A

Absolu te zero temperature

B

Critical temperature

C

Reversible temperature

D

Boiling temperature

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 148

Report

How is the thermal efficiency of an I.C engine related to compression ratio?

A

Increase

B

Decrease

C

May increase or decrease

D

Remains same

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 149

Report

All the processes in an air standard cycle are assumed to be ________.

A

adiabatic

B

irreversible

C

isothermal

D

reversible

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 150

Report

Water flows through a turbine in which due to friction there is a temperature rise from $$30^\circ C$$ to $$35^\circ C$$. If there is no heat transfer taking place during the process. What is the change in the entropy of water?

A

0.077

B

0.079

C

0.406

D

0.496

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 151

Report

In 18-4-11 HSS (high speed steel) the percentage of chromium is

A

1%

B

4%

C

8%

D

20%

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 152

Report

The pH value of neutral solution is

A

Equal to 7

B

Less than 7

C

Greater than 7

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 153

Report

_______ is better suited for lighter duty bearings.

A

Phosphor Bronze

B

Plastics

C

White metal

D

Monel metal

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 154

Report

_______ is not the neutral refractory material.

A

Graphite

B

Karnelite

C

Chromite

D

Dolomite

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 155

Report

_________ structure has maximum hardness.

A

Troostile

B

Pearlite

C

Martensite

D

Sorbite

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 156

Report

_______ has least coefficient of expansion

A

Manganin

B

Invar

C

Constantan

D

Duralumin

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 157

Report

_______is the essential gradient of any hardened steel.

A

Carbon

B

Pearlite

C

Austenite

D

Martensite

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 158

Report

______ structure can be studied by naked eye.

A

Atomic

B

Grain

C

Micro

D

Macro

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 159

Report

______ is used for bearing liner.

A

Brass

B

Bronze

C

Gun metal

D

Babbitt metal

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 160

Report

______ is the most important element which controls the physical properties of steel.

A

Carbon

B

Chromium

C

Vanadium

D

Tungsten

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 161

Report

Practical fluids

A

are viscous

B

possess surface tension

C

are compressible

D

possess all the above properties

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 162

Report

Property of a fluid by which its own molecules are attracted is called

A

adhesion

B

cohesion

C

viscosity

D

compressibility

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 163

Report

For very great pressures, viscosity of most gases and liquids

A

remains same

B

increases

C

decreases

D

shows erratic behavior

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 164

Report

The bulk modulus of elasticity

A

has the dimensions of 1/ pressure

B

increases with pressure

C

is large when fluid is more compressible

D

is independent of pressure and viscosity

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 165

Report

Which of the following statements is not true?

A

fluids are capable of flowing

B

fluids conform to the sha pe of the containing vessels

C

when in equilibrium, fluids cannot sustain tangential forces

D

when in equilibrium, fluids can sustain shear forces

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 166

Report

The conditions of the stable equilibrium of a floating body are

A

the meta-centre should lie above the centre of gravity

B

the centre of buoyancy and the centre of gravity must lie on the same vertical line

C

a righting couple should be formed

D

All options are correct

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 167

Report

A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury?

A

the metal piece will simply float over the mercury

B

the metal piece will be immersed in mercury by half

C

whole of the metal piece will be immersed with its top surface just at mercury level

D

metal piece will sink to the bottom

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 168

Report

If the surface of the liquid is convex, then

A

cohesion pressure is negligible

B

cohesion pressure is decreased

C

cohesion pressure is increased

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 169

Report

Liquids transmit pressure equally in all the directions. This is according to

A

Boyle's law

B

Archimedes law

C

Pascal’s law

D

Newton’s formula

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 170

Report

Mercury is often used in barometer because:
A. It is the best liquid
B. The height of barometer will be less
C. Its vapor pressure is so low that it may be neglected

A

Only A

B

Only B

C

Both A and B

D

Neither A nor B

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 171

Report

The losses due to sudden contraction are expressed by

A] $$\frac{V_1^2 - V_2^2}{2g}$$ B] $$\frac{V_2^2 - V_1^2}{2g}$$ C] $$\frac{(V_1 - V_2)^2}{g}$$  D] $$\frac{(V_1 - V_2)^2}{2g}$$

A

A Only

B

B Only

C

C Only

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 172

Report

Cipolletti notch is designed as trapezoid with its sides sloping at 1 horizontal and

A

1 vertical

B

2 vertical

C

3 vertical

D

4 vertical

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 173

Report

The flow in venturi flume takes place at

A

atmospheric pressure

B

at pressure greater than atmospheric pressure

C

vaccum

D

high pressure

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 174

Report

A hydraulic ram acts like

A

a centrifugal pump

B

a rotary pump

C

a reciprocating pump

D

an impulse pump

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 175

Report

The rise of liquid along the walls of a revolving cylinder as compared to depression at the center with respect to initial level is

A

same

B

more

C

less

D

more or less depending on speed

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 176

Report

The most economical section of a rectangular channel for maximum discharge is obtained when its depth is equal to

A

half the breadth

B

twice the breadth

C

same as the breadth

D

three-fourth of the breadth

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 177

Report

In case of a two dimensional flow the components of velocity are given by $$ u = ax; v = by, $$ the point where no motion occurs, is known as

A

critical point

B

neutral point

C

stagnation point

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 178

Report

The head loss in case of hot water flow through a pipe compared to cold water flow will be

A

same

B

more

C

less

D

more or less depending on range of temperatures

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 179

Report

Maximum efficiency of transmission of power through a pipe is

A

0.25

B

0.3333

C

0.5

D

0.6667

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 180

Report

In the case of turbulent flow

A

it occurs in open channel

B

losses are proportional to square of velocity

C

velocity at boundary is zero

D

shear stresses are more compared to laminar flow

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 181

Report

Hydraulic grade line for any flow system as compared to energy line is

A

above

B

below

C

at same level

D

may be below or above depending upon velocity of flow

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 182

Report

For maximum discharge through a circular open channel, the ratio of depth of flow to diameter of channel should be

A

0.7

B

0.5

C

0.65

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 183

Report

A triangular section in open channel flow will be most economical when the vertex angle at the triangle base point is

A

30 degree

B

50 degree

C

20 degree

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 184

Report

The value of coefficient of velocity depends upon

A

slope of orifice

B

size of orifice

C

head of liquid above orifice

D

friction at the orifice surface

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 185

Report

The discharge through an orifice fitted in a tank can be increased by

A

fitting a short length of pipe to the outside

B

sharpening the edges of orifice

C

fitting a long length of pipe to the outside

D

fitting a long length of pipe to the inside

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 186

Report

Total pressure on the top of a closed cylindrical vessel completely filled with liquid, is directly proportional to

A

radius

B

square of radius

C

cube of radius

D

None of these

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 187

Report

If flow in an open channel is gradually varied, then the flow will be

A

steady uniform flow

B

unsteady uniform flow

C

steady non-uniform flow

D

unsteady non-uniform flow

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 188

Report

The energy loss in flow through nozzle as compared to venturimeter is

A

same

B

more

C

less

D

unpredictable

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 189

Report

Orifice is an opening

A

with closed perimeter and of regular form through which water flows

B

with prolonged sides having length of 2 to 3 diameters of opening in thick wall

C

with partially full flow

D

in hydraulic structure with regulation provision

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 190

Report

The value of coefficient of discharge in comparison to coefficient of velocity is

A

more

B

less

C

same

D

unpredictable

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 191

Report

Heating of dry steam above saturation temperature is known as

A

enthalpy

B

superheating

C

super saturation

D

latent heat

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 192

Report

The specific heat of superheated steam in kcal/kg is generally of the order of

A

0.1

B

0.3

C

0.5

D

0.8

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 193

Report

Adiabatic process is

A

essentially as isentropic process

B

non-heat transfer process

C

reversible process

D

constant temperature process

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 194

Report

The diameter (in cm) of Cornish boiler is of the order of

A

1 to 2

B

1.5 to 2.5

C

2 to 3

D

2.5 to 3.5

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 195

Report

Which of the following boilers is best suited to meet fluctuating demands?

A

babock and wilcox

B

locomotive

C

Lancashire

D

Cochran

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 196

Report

An engine indicator is used to determine the following

A

speed

B

temperature

C

volume of cylinder

D

None of these

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 197

Report

Diesel fuel, compared to petrol is

A

less difficult to ignite

B

just about the same difficult to ignite

C

more difficult to ignite

D

highly ignitable

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 198

Report

The fuel air ratio in a petrol engine fitted with suction carburetor, operating with dirty air filter as compared to clean filter will be

A

higher

B

lower

C

remain unaffected

D

unpredictable

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SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 199

Report

Which of the following is the lightest and most volatile liquid fuel?
A. $$6 : 1$$ 

B. $$9 : 1$$

C. $$12 : 1$$ 

D. $$15 : 1$$

A

Only A

B

Only B

C

Only C

D

Only D

View Solution

SSC JE Mechanical Engineering 23rd Jan 2018 Shift-2 - Question 200

Report

Ignition quality of petrol is expressed by

A

octane number

B

cetane number

C

calorific value

D

self-ignition temperature

View Solution