[Download PDF] SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 Paper with Solutions

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 1

In the following question, select the related word from the given alternatives.
Smash : Badminton : : ? : ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 2

In the following question, select the related word pair from the given alternatives.
School : Student :: ? : ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 3

In the following question, select the related word from the given alternatives.
Temperature : Degree : : Area : ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 4

In the following question, select the related letter pair from the given alternatives.
LACK : GWXG : : MYST : ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 5

In the following question, select the related letters from the given alternatives.
PIT : UNY : : FAX : ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 6

In the following question, select the related letters from the given alternatives.
FK : CI : : GL : ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 7

In the following question, select the related number pair from the given alternatives.
45 : 90 :: ? : ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 8

In the following question, select the related number from the given alternatives.
62 : 155 : : 74 : ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 9

In the following question, select the related number from the given alternatives.
41 : 5 : : 23 : ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 10

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 11

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 12

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 13

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 14

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 15

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 16

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 17

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 18

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 19

Arrange the given words in the sequence in which they occur in the dictionary.
1.Reality
2.Receptive
3.Rebound
4.Realism
5.Realize

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 20

Arrange the given words in the sequence in which they occur in the dictionary.
1.Shapely
2.Shoddy
3.Shelve
4.Short
5.Sharp

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 21

Arrange the given words in the sequence in which they occur in the dictionary.
1.Stern
2.Startle
3.Steep
4.Storm
5.Stick

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 22

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
APRQ, ZLQM, YHPI, XDOE, ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 23

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
RIM, UNT, XSA, AXH, ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 24

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
FC, DA, BY, ZW, ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 25

In the following question, select the missing number from the given alternatives.
14, 35, 87.5, ?, 546.875

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 26

In the following question, select the missing number from the given alternatives..
43, 21.5, 21.5, 43, ?, 1376

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 27

In the following question, select the missing number from the given alternatives.
81, 23, 104, 127, 231, ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 28

E is taller than D, C is taller than E, A is taller than E and B is taller than C. Who is the second shortest?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 29

D's mother's father is C's father's father-in-law. How are C and D related if D is male and C female?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 30

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 31

If MORTALS is coded as LNQSZKR, then how will BIN be coded as?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 32

In a certain code language, 6532 means 'change the TV channel', 8965 means 'give back the change' and 1246 means 'channel the inner energy'. Find the code for 'channel'.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 33

In a certain code language, '+' represents '-', '-' represents $$ '\times', '\times' $$ represents $$'\div'$$ and $$'\div'$$ represents '+'. Find out the answer to the following question.
$$ 950 \times 50 + 8 - 5 \div 20 = ? $$

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 34

If 7 @ 3 = 8, 10 @ 2 = 16 and 70 @ 40 = 60, then find the value of 7 @ 5 = ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 35

If A * B means A is mother of B, A + B means A is sister of B and If A % B means A is daughter of B, then what does G % H * I + J mean?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 36

Select the missing number from the given responses

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 37

Which of the following terms follows the trend of the given list?
OOOXOO, OOOOXO, OOOOOX, XOOOOO, OXOOOO, ____________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 38

A women leaves her hut and walks 2 km West, then she turns North and walks 7 km, then she turns East and walks 1 km, then she turns South and walks 3 km, then she turns to her left and walks 1 km to reach the well. Where is this well with respect to her hut?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 39

Two siblings start from home to go to their respective schools. The brother goes 6 km West, then turns right and goes 3 km and reaches his school. The sister goes 2 km South, then 4 km East, then turns left and goes 5 km and reaches her school. Where is the sister's school with respect to the brother's school?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 40

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: No soldiers are french
Statement II: All europeans are french

Conclusion I: Some french are europeans
Conclusion II: Some soldiers are europeans

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 41

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 passes are valleys
Statement II: Some passes are mountains
Statement III: Some hills are mountains as well as valleys

Conclusion I: Some hills are passes
Conclusion II: Some mountains are valleys
Conclusion III: All valleys are hills

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 42

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 43

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 44

In the following figure, square represents Dentists, triangle represents Collectors, circle represents Indians and rectangle represents Women. Which set of letters represents Indians who are either collectors or women?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 45

Which of the following Venn diagrams represents the relationship between Gold, Silver and Gold coins?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 46

Which answer figure will complete the pattern in the question figure?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 47

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 48

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.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 49

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 50

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 'E' can be represented by 41, 32 etc and 'U' can be represented by 95, 87 etc. Similarly, you have to identify the set for the word 'MAXI'.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 51

Which of the following is called a 'banker's cheque'?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 52

The place where bankers meet and settle their mutual claims and accounts is known as

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 53

Which among the following formulates fiscal policy?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 54

The Zero Base Budgeting in India was first experimented from which year?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 55

In economic terms, which of the following factors determine the 'Individual's demand' of a product/commodity?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 56

Who among the following was never the Lok Sabha Speaker?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 57

On whose advice does the President of India appoint a state governor?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 58

The concept of Public Interest Litigation originated in which of the following countries?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 59

Who among the following decides whether a particular bill is a Money Bill or not?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 60

Which of the following States sends the maximum number of members to the Rajya Sabha?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 61

Chandella Kings are related to which of the following temples?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 62

In which language did most Buddhist texts were written?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 63

Who established the “Atmiya Sabha” a precursor organization in the socio-religious reforms in Bengal?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 64

Who was the first Indian to get selected in ICS?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 65

Who established the “Atmiya Sabha” a precursor in the socio-religious reforms in Bengal?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 66

In which State is the Guru Shikhar Peak located?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 67

Through which of the following countries does the Tropic of Capricorn pass?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 68

Which among the following countries has the world’s largest reserves of Uranium?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 69

What is the new name of Jog or Gerosoppa waterfall?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 70

Which one of the following states receives the highest rainfall during winter months?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 71

Which state passed a bill awarding death penalty to those found guilty of raping minors in December, 2017?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 72

Union Government has framed a scheme for setting up how many special courts to fast track criminal cases against tainted MP and MLA leaders?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 73

India’s Manushi Chhillar won the coveted Miss World 2017 crown. Where was held it?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 74

Which of the following countries hosted a world chess tournament for the first time in year 2017?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 75

India won the first-ever South Asian Regional Badminton Team Championship. India defeated which of the following team?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 76

“Non-Stop India” is written by ______.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 77

Which musical artist won the Indira Gandhi Award for National Integration in October 2017?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 78

‘Festival of India’ was organized in which country from 31 August to 9 September 2017?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 79

Which of the following agreement has been signed between India and Israel in July 2017?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 80

Which of the following operation was launched by Indian government to help Rohingya refugees in Bangladesh?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 81

Servers are computers that provide resources which are connected to a ______.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 82

Which of the following is a binary number?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 83

Which alloy is made of essentially copper and tin?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 84

Incomplete combustion of a fuel gives poisonous ______ gas.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 85

What is value of pH of a neutral solution?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 86

Which base is generally found in soaps?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 87

Which type of image is always formed by a convex mirror?
I. Real
II. Virtual
III. Enlarged

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 88

There is a circular coil having n turns. The field produced is how many times larger than produced by a coil of single turn?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 89

Which of the following is NOT an example of a biomass energy source?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 90

Density of water ______ when it freezes.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 91

Which human organ gets majorly affected due to Vitamin D deficiency?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 92

Match the structures given in column (A) with the functions given in column (B).

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 93

What is called the process of fusion of the male and the female gametes?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 94

Which of the following is in monera group?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 95

Eyes must be removed within ______ hours after the death for eye donation.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 96

Which of the following is/are agent(s) of infection?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 97

Which of the following is NOTa forest product?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 98

According to World Wide Fund, which of the following river of India is one of the ten most endangered rivers in the world?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 99

Montreal Protocol is related to which of the following?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 100

Mission of Ramsar Convention is to conserve ______.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 101

Which of the following is the type of completely constrained motion?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 102

Which of the following condition is TRUE about the given figure ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 103

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 104

A quaternary joint in the kinematic chain is equivalent to ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 105

During a cycle of the flywheel having $$I$$ as mass moment of inertia, $$\omega_{av}$$ as the as the average rotational speed and $$K_{es}$$ is the coefficient of fluctuation of speed. The maximum fluctuation of energy $$E_{t}$$ is _____.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 106

Determine the ratio of $$\frac{w_{max}}{w_{min^{2}}}$$ if the coefficient of speed fluctuation of a flywheel is $$C_{t}$$.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 107

Oldham’s coupling is the inversion of ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 108

In the slider crank chain, the formation of Whitworth quick return mechanism takes place when ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 109

A Hartnell governor comes under which type of governor?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 110

What is the location of the frictional force, when the intensity of pressure is uniform in a flat pivot bearing having radius r?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 111

The moment of inertia of a flywheel is 19.6 $$kgm^{2}$$ and it fluctuates at the speed of 40 rpm for the fluctuation in energy of 2036 joules. What is the mean speed of the flywheel (rad/s)?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 112

The ratio of the tension in the tight side (Ta: and tension on the slack side of the belt (Tb: of the belt is 5.0. What is the power transmitted(kW) by a belt, if the tension on the tight side of the belt is 5000 N and the velocity of belt is 25.00 m/sec?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 113

What is the total number of inversion possible for the slider crank mechanism?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 114

A solid disc type flywheel has the diameter D, what is the radius of gyration of the solid disk type?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 115

The correct option for the occurrence of the total slip in a belt drive occurs when ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 116

The point of application of the resultant of all the forces which tends to cause rotation in the body about a certain axis is known as ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 117

The centre of gravity of a triangle is located at the point of ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 118

The coefficient of friction depends on which of the following factors?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 119

The angle between normal reaction and the resultant of normal reaction and the limiting friction is known as ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 120

The value of Poisson’s ratio depends on ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 121

The equivalent length of the column when one end is fixed and the other end is pinned is ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 122

Poisson’s ratio is defined as the ratio of ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 123

Which of the following shows the correct relation between shear force $$(V_x)$$, bending moment $$(M_x)$$ and load $$(W)$$ ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 124

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

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 125

Consider the following relation for the torsional stiffness $$(K_T)$$
(1) $$k_T=\frac{T}{\theta}$$
(2) $$k_T=\frac{GJ}{L}$$
(3) $$k_T=\frac{G\theta}{L}$$
Which of the following option is correct.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 126

Determine the change in volume (in $$cm^{3}$$) of a block of length 15 cm, width 10 cm and height 8 cm, undergoes a volumetric strain of $$\frac{1}{2500}$$

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 127

What is the shape of the shearing stress distribution across a rectangular cross section beam?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 128

Which of the following conditions is TRUE for the shafts connected in series to each other?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 129

A rod of dimension 20 mm x 20 mm is carrying an axial tensile load of 10 kN. If the modulus of elasticity is 250 Mpa, then the strain induced due to this load would be ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 130

The diagram shown below shows the shearing force diagram for a beam.

Which of the following is the CORRECT bending moment diagram for the above shear force diagram ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 131

Which term clearly defines the degree of sub cooling?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 132

The property of a working system which changes as the heat is supplied to the working fluid in a reversible manner is known as ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 133

Which of the following statements hold TRUE for the first law of thermodynamics?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 134

Two heat engines operating between temperatures 2000 K and T K and T K and 500 K respectively. What is the intermediate temperature, if the efficiency of both the cycles is same?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 135

A Carnot heat pump is working with an efficiency of 50%. If the cycle is converted into a heat pump after reversing, then what is the coefficient of performance of the heat pump?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 136

Which of the following sequence is TRUE for same compression ratio and added heat?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 137

The thermal efficiency of a diesel engine lies in the range of ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 138

What is the other name of dual cycle?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 139

How the heat addition in dual cycle takes place?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 140

For which type of engine Carnot cycle has the maximum efficiency?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 141

Which cycle is mostly used in high compression engines?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 142

An inventor says, he has invented an engine which will reject 20% of heat absorbed from the source and the engine operates between 2000 K and 500 K. What kind of engine it is?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 143

At what cut-off does the efficiency of Diesel cycle approaches that of Otto cycle?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 144

In a cyclic process, the work done by the system is 20 kJ,:30 kJ,:5 kJ and 10 kJ. What is the net heat (kJ) for the cyclic process?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 145

The heat rejection takes place in Carnot cycle at _______.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 146

What is the resultant of sum of product of pressure and volume (PV) with internal energy U known as?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 147

What is the value of $$\int\delta Q-\int\delta W$$ for a process ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 148

If the efficiency of a Carnot engine is 40%, then the COP of the Carnot refrigerator will be ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 149

The triple point on a T-s diagram is ________.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 150

Which denoted path is followed by the dual cycle in the below $$p-V$$ diagram ?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 151

What is the product of cupola called?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 152

Gold is ______ material

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 153

______ steel is widely used for rails of a railway track.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 154

The important factor to be considered while selecting a bearing is

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 155

Which one of the following methods is generally not used in welding of chromium molybdenum steels?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 156

Which bond is commonly used in grinding wheel

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 157

Boring can be performed by

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 158

The amount of stock which can be removed by honing is

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 159

Which of the following is not a gear finishing process?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 160

What is ‘burr’?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 161

Calorific value of a fuel is based on

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 162

The mechanical equivalent of heat ‘J’ is equal to

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 163

In a closed system

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 164

In isopiestic process, the

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 165

Charle’s law states

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 166

Specific volume of a gas is the volume of

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 167

The diesel oil is obtained during distillation process between the temperature limits.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 168

Which one of the following statements is correct when saturation pressure of water vapour increases?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 169

An insulated box containing 0.5kg of a gas having $$C_{v}$$ = 0.98 kJ/kg-K fails from a balloon 4 km above the earth’s surface. The temperature rise of the gas when the box hits the ground is

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 170

Molal specific heats of an ideal gas depend on

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 171

The Ratio of intertia force to elastic force is known as

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 172

For handling non-Viscous liquids, oils and chemicals we use

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 173

The body is said to be floating when (Where, W Weight of the body and Fb = Buoyant force)

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 174

A submerged body will be in stable equilibrium if the centre of gravity is

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 175

The discharge over the rectangular weir is equal to:
(a) $$\frac{2}{3Cd\sqrt{2g}LH^{\frac{3}{2}}}$$
(b) $$\frac{3}{2Cd\sqrt{2g}LH^{\frac{3}{2}}}$$
(c) $$\frac{3}{2Cd\sqrt{2g}LH^{\frac{2}{3}}}$$
(d) $$\frac{2}{3Cd\sqrt{2g}LH^{\frac{2}{3}}}$$

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 176

The viscosity of liquid ___________with increase in temperature.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 177

The pressure _______as the depth of the liquid increases.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 178

The stability of a floating body depends upon

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 179

In order, to avoid separation in venturimeter the angle of divergence is kept

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 180

The head lost due to turbulence flow as compared to head lost in laminar flow is

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 181

If the flow parameters change with time it is known as

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 182

The coefficient of lift at stall point is

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 183

Hydraulic jump is a phenomenon occurring in

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 184

Pelton wheel is a

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 185

The unit speed of a turbine is equal to
(a) $$\frac{N}{\sqrt{H}}$$
(b) $$\frac{\sqrt{H}}{N}$$
(c) $$N\sqrt{H}$$
(d) $$\frac{2N}{\sqrt{H}}$$

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 186

The flow within the boundary layer is

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 187

Consider the following statements regarding Bernoulli’s theorem for fluid flow
1. Conservation of energy
2. Steady flow
3. Viscous flow
4. Incompressible flow
Which of the above statements is/are correct?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 188

Why is an air vessel used in a reciprocating pump?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 189

Consider the following statements pertaining to specific speed of turbo machines:
1. Specific speed varies with shape of the runner and other parts of the machine.
2. Machines with higher specific speeds are limited to low heads.
3. Specific speed is dimensionless .and is independent of variation of type of fluid used.
Which of the statements given above are correct?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 190

The velocity of a water stream is being measured by a L- Shaped pitot-tube and the readings is 20 cm. Then, what is the approximate value of velocity?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 191

Which of the following water turbines maintain a high efficiency over a long range of the, part load?
1. Francis turbine
2. Kaplan turbine
3. Pelton turbine
4. Propeller turbine

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 192

The components of velocity in a two-dimensional frictionless incompressible, flow are:
$$u=t^{2}+3y$$ and $$v=3t+3x$$ What is the approximate resultant total acceleration at the point (3, b: and t = 2?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 193

A centrifugal pump needs 1000 W of power when operating at 1500 rpm. What is the power requirement if, the speed of the pump is increased to 3000 rpm?

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 194

The flow in which conditions do not change with time at any point, is known as

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 195

Uniform flow occurs when

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 196

In a centrifugal pump casing, the flow of water leaving the impeller, is

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 197

The given figure below shows the curves between Head (H) and Flow (Q) for centrifugal pump impeller with different impeller vane exit angles

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 198

The figure given below shows the relationship between power (P) and discharge (Q) for different vane exit angles of centrifugal pump. Curve A holds good for.

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 199

Specific speed of turbine indicated as
A) $$\frac{N\sqrt{Q}}{H^\frac{3}{4}}$$
B) $$\frac{N\sqrt{P}}{H^\frac{5}{4}}$$
C) $$\frac{N\sqrt{Q}}{H^\frac{2}{3}}$$
D) $$\frac{N\sqrt{P}}{H^\frac{3}{2}}$$

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1 - Question 200

If α is the angle of blade tip at outlet, then maximum hydraulic efficiency of an impulse turbine is

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1

SSC JE Mechanical Engineering 29th Jan 2018 Shift-1

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