If 'L' is the span of a light suspension bridge, whose, each cable carries total weight (w) and the central dip is 'y', the horizontal pull at each support is _____.
SSC JE Mechanical Engineering 1st March 2017 Shift-2
For the following questions answer them individually
The vehicle moving on a level circular path will exert pressure such that ........
Which one of the following laws is not applicable for a simple pendulum?
In order to double the period of a simple pendulum .................
A body is vibrating at 10 vibrations/second in Simple Harmonic Motion of 10 cm amplitude. The maximum velocity in cm/sec can be _____.
The sum of kinetic and potential energy of a falling body ..........
If two bodies, one light and other heavy, have equal kinetic energy, which one has a greater momentum?
A bucket of water weighing 10 kg is pulled up from a 20 m deep well by a rope weighing 1 kg/m length, then the work done is _____.
Which of the following is an example of a body undergoing translational equilibrium?
A boy is swinging on a swing. If another boy sits along with him without disturbing his motion, then the time period of swing will _____.
The type of motion when the acceleration is proportional to displacement is called _____.
The escape velocity of a body on earth _____.
The velocity of the satellite in an orbit close to earth's surface depends on _____.
A circular disc rolls down an inclined plane, the fraction of its total energy associated with its rotation is _____.
An object weighs 60 gm in air, 50 gm in water and 40 gm in oil. Then the specific gravity of the oil will be _____.
The value of coefficient of velocity compared to coefficient of discharge _____.
Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called _____.
The depth of water below the spillway and after hydraulic jump are 1 m and 6 m respectively. The head loss will be _____.
If no resistance is encountered by displacement, such a substance is known as _____.
Head loss in turbulent flow in a pipe _____.
The force exerted by the jet on fixed plate shown in the figure below is equal to :
A weir system in which the downstream water level of the weir nappe is higher than the crest is called _____.
For starting an axial flow pump, its delivery valve should be _____.
Equation of continuity results from the principal of conservation of _____.
When a piping system is made up primarily of friction head and very little of vertical lift, then pipe characteristics should be _____.
The hydraulic mean depth for a circular pipe of diameter 'd' running full is equal to _____.
In a centrifugal pump, the liquid enters the pump from _____.
Head loss in a flowing fluid is experienced due to _____.
A. friction at surface
B. change of direction
C. change of section of passage
D. obstruction in passage
High specific speed of turbine implies that it is _____.
One dimensional flow is _____.
Specific speed of a turbine depends upon _____.
If a mouthpiece is running full at the outlet, the vacuum at vena-contracta _____.
When a fluid flows in concentric circles, it is known as _____.
Maximum impulse will be developed in hydraulic ram when _____.
Critical-depth meter is used to measure _____.
Medium specific speed of a pump implies that it is _____.
The hydraulic grade line is _____.
The ratio of depth of bucket for a Pelton wheel to the diameter of jet is of the order of _____.
The contraction of area for flow through orifice in tank depends on _____.
A. shape of orifice
B. size of orifice
C. head in tank
The flow at critical depth in an open channel is _____.
In Kaplan turbine runner, the number of blades is generally of the order _____.
Air vessels in reciprocating pump are used to _____.
A hydraulic intensifier normally consists of _____.
Cavitation is caused by _____.
Which of the following pumps is used for pumping viscous fluids?
Steel whose elements are used for the purpose of modifying the mechanical properties of plain carbon steel is called _____.
Alloy steel containing 36% nickel is called _____.
Carbon steel is _____.
Percentage of carbon in steel is _____.
Hardness of steel depends on _____.
____ is added to raise the yeild point of low carbon steel.
An alloy steel contains _____.
Alloy steel as compared to carbon steel is more _____.
A. tough
B. b
C. fatigue resistance
Steel which destroys by burning is called _____.
In steel, main alloy causing corrosion resistance is _____.
The crest diameter of a screw thread is same as _____.
The function of a washer is to _____.
The rivet head for general purpose shown in the figure below is:
The key shown in the figure below is:
Fibrous fracture occurs in _____.
For tight leakage joints, following type of thread is best suited _____.
A backing ring is used inside the pipe joint when making a _____.
Which of the following pipe joints would be suitable for pipes carrying steam?
Antifriction bearings are:-
A. Sleeve bearings
B. Hydrodynamic bearings
C.Thin lubricated bearings
D. Ball and roller bearings
In V-belt drive, belt touches _____.
In standard taper roller bearings, the angle of taper of outer raceway is _____.
Basic shaft is one _____.
Allen bolts are _____.
If the tearing efficiency of a riveted joint is 60%, then ratio of rivet hole diameter to the pitch of rivets is _____.
A riveted joint may fail due to:-
A. Shearing of the rivet
B. Shearing off the plate at an edge
C. Crushing of the rivet
The same volume of all gases would represent their _____.
Extensive property of a system is one whose value _____.
In an isothermal process, the internal energy of gas molecules _____.
The more effective way of increasing efficiency of Carnot engine is to _____.
Under ideal conditions, isothermal, isobaric, isochoric and adiabatic processes are _____.
Total heat of a substance is also known as _____.
In a Carnot cycle, heat is transferred at _____.
Change of entropy depends upon _____.
Compressed air coming out from a punctured football _____.
The ratio of actual cycle efficiency to that of ideal cycle efficiency is called _____.
Which of the following cycles is not a reversible cycle?
A. Carnot
B. Ericsson
C. Stirling
D. Joule
A system will be thermodynamic equilibrium only if it is in _____.
A. Thermal equilibrium
B. Mechanical equilibrium
C. Chemical equilibrium
Two gases A and B with their molecular weights 28 and 44 respectivelly, expand at constant pressures through the same temperature range. The ratio of quantity of work done by the two gases (A : B) is _____.
Davis steering gear consists of _____.
Properties of substances like pressure, temperature and density, in thermodynamic co-ordinates are _____.
The refrigeration plants are charged by refrigerants from the cylinder at the _____.
Which of the following refrigerant characteristics change constantly during the cooling cycle?
Moisture in a refrigerant system is removed by _____.
A. Driers
B. Filter driers
C. Desiccants
The most suitable refrigerant for a commercial ice plant is _____.
Fittings in ammonia absorption refrigeration system are made of _____.
Lithium bromide in vapour absorption refrigeration system is used as _____.
The condenser and evaporator tubes in a Freon refrigeration plant are made of _____.
Vertical lines on pressure-enthalpy chart show constant _____.
The coefficient of performance is the ratio of the refrigerant effect to the _____.
A. Heat of compression
B. Work done by compressor
C. Enthalpy increase in compressor
Moisture in Freon refrigeration system causes _____.
Efficiency of the Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of coefficient of performance of reversed Carnot cycle?
During the sensible cooling process _____.
On psychrometric chart, wet bulb temperature lines are _____.
If air is heated without changing its moisture content, the dew point will _____.
Air is normally dehumidified by _____.
Select the related word/letters/number from the given alternatives.
Quarter : Half : : Single : ?
Select the related word/letters/number from the given alternatives.
Ball : Sun : : Cigarette : ?
Select the related word/letters/number from the given alternatives.
Allot : A lot : : ?
Select the related word/letters/number from the given alternatives.
HFDB : GEC : : YWUS : ?
Select the related word/letters/number from the given alternatives.
Grace : Career : : Sitar : ?
Select the related word/letters/number from the given alternatives.
Destine : Inertia : : Bison : ?
Select the related word/letters/number from the given alternatives.
99 : 18 : : 77 : ?
Select the related word/letters/number from the given alternatives.
586 : 364 : : 824 : ?
Select the related word/letters/number from the given alternatives.
224 : 112 : : 326 : ?
Select the odd word/letters/number/word pair/number pair from the given alternatives.
In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
DDRFTG, CVVBHT, DCEERT, DCFRRT, ?
Super, Erratic, Icebox, Oxen, ?
run, anon, clasp, rotted, ?
Y, U, Q, M, ?
kpu, jot, ins, hmr, ?
XXXXOXO, XXXOXOX, XXOXOXX, XOXOXXX, ?
-7, -3, ?, 8, 15
2, 1.25, ?, $$\frac{-1}{4}$$, -1
13, ?, 19, 23, 29
For the following questions answer them individually
If m > l, m < n and n < o, which of the following must be true?
I. l < o
II. n > l
The weights of five boxes are 20, 30, 40, 70 & 90 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes?
If the letters E, D, X, S, P & O are numbered 1, 2, 3, 4, 5 & 6 respectively. Select that combination of numbers so that letters arranged accordingly, form a meaningful word.
If DISCERNS is coded as WRHXVIMH, then how will AGO be coded as?
In a certain code language, 639 means 'wood is hard', 657 means 'fur is soft', 135 means 'hard or soft'. Find the code for 'or'.
In a certain code language, '+' represents '$$\times$$', '-' represents '+', '$$\times$$' represents '$$\div$$' and '$$\div$$' represents '-'. Find out the answer to the following question.
$$0.0625 + 800 - 234 \times 6 = ?$$
If A @ B means A is father of B, A # B means A is brother of B and A ! B means A is son of B, then what does L # M @ N ! O mean?
If 62#51 = 0, 82#54 = 5 then find the value of 72#66 = ?
Which of the following words follows the trend of the given list?
Visual, Avarice, Savour, Salvage, Saliva, ?
Which of the following terms follow the trend of the given list?
FEEFEE, EFEEFE, EEFEEF, ?
A postman cycles 4 km West, then turns South and cycles 7 km, then turns East and cycles 4 km, then turns to his left and cycles 10 km. Where is he now with reference to his starting position?
Two persons A and B start from the same point. A walks 4 m North, then turns to his right and walks 3 m. At the same time, B has walked 9 m East , then he turned to his left and walked 4 m. Where is B now with respect to the position of A?
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 1 : Some villagers are poor.
Statement 2 : All poor are nice people.
Conclusion I: Some nice people are villagers.
Conclusion II: No villagers are nice people.
In the question a statement is given, followed by two arguments, I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given arguments, if any, is a strong argument.
Statement : Should local train tickets be subsidized?
Argument I : No, In an environment where locals trains are overcrowded, subsidy will worsen the situation.
Argument II : Yes, Local trains reduce number of vehicles on the road, thus reducing pollution, reduce costs and travel time.
Which of the following cube in the answer figure cannot be made based on the unfolded cube in the question figure?
Which of the following answer figure patterns can be combined to make the question figure?
Which of the following diagrams represents the relationship between
Chinese, Indians and Asians ?
In the following figure, square represents hockey players, triangle represents cricket players, circle represents kabaddi players and rectangle represents football players. Which set of letters represents hockey players who do not play football and cricket players who play kabaddi?
Which answer figure will complete the pattern in the question figure?
From the given answer figures, select the one in which the question figure is hidden/embedded.
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.
If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?
A word rs represented by only one set of numbers as given in any one of the alternatives. The sets of numbers yen 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 best by its row and next by its column, for example 'Z' can be represented by 20, 23 etc and 'A' can be represented by 65, 57 etc. Similarly, you have to identify the set for the word 'TOWER'.
The ____________ set is the collection of all bundles that the consumers can buy with their income at the prevailing market prices.
Economists define unemployed person as one who is not able to get even 1 hour of work in __________.
If C = Consumption, I = Investment, G = Government spending, Ex = exports & Im = Imports, then GDP =
Price of an article decreases from Rs 40 to Rs 30 when quantity demanded increases from 1000 units to Q2 units. If point elasticity of demand is -0.8, then what is the value of Q2?
Monotonicity of preferences implies that the indifference curve is ___________ sloping.
Which of the following writs is issued when the court finds that a particular office holder is not doing legal duty and thereby is infringing on the rights of an individual?
A few days before Independence, the Maharaja of _____________, Bodhachandra Singh, signed the Instrument of Accession with the Indian government.
In the Indian Constitution, the idea of Residual Powers has been borrowed from the _______________ Constitution.
Article 42 of the Indian Constitution "Provision for justice and humane conditions of work and maternity relief" deals with?
Which commission suggested that jobs in the Central Government should be reserved for the 'Other Backward Classes' (OBC)?
With reference to the 1857 revolt consider the following statements.
1. The sepoys of Meerut appealed to Bahadur Shah Zafar to accept the leadership of the revolt.
2. In Kanpur, the sepoys made Nana Sahib as their leader.
3. In Awadh, Rani Laxmibai was made the leader.
Which of the given statements is/are correct?
One of the most important descriptions of the city of __________________ in the fifteenth century comes from Abdur Razzaq Samarqandi.
Charles Cornwallis was the Governor General of ________ when the Permanent Settlement was introduced there in 1793.
The French Revolution, a period that brought far-reaching social and political upheaval in France, began in _________.
When did the epidemic of Black Death (a type of Plague) spread in entire Europe?
With reference to an earthquake consider the following statements.
1. The point where the energy of an earthquake is released is called the hypocentre.
2. The point on the surface, nearest to the focus of the earthquake, is called epicentre.
3. Epicentre is a point directly below the focus of an earthquake.
Which of the statements given above is / are corrrect?
Which of the following places in India has off shore petroleum reserves?
The earth's radius is approximately ___________.
Which of the following indian rivers discharges its waters in the Arabian Sea?
The Khardung La pass is associated with which mountain range?
Which of the following has a Fusiform root?
Double fertilization is a complex fertilization mechanism of ____________.
The nuclear membrane is absent in the cells of organisms belonging to which kingdom?
____________ are composed of long, fibrous proteins as filaments that slide past each other when a muscle contracts or relaxes.
Which of the following is the first stage of mitosis?
The scientific and objective study of animal behaviour is called ______________.
Read the pairs given below -
Size of Object or distance : Length (in m)
1. Size of a proton : 10-15
2. Length of a typical virus : 10-8
3. Distance of Sun from Earth : 105
4. Thickness of a paper : 10-1
Which of the above pairs are correctly matched?
Which of the following is the correct formula for magnification while using a concave mirror?
A thermodynamic process during which the volume of the closed system in consideration remains constant is called ____________.
Which of the following is the correct order of electromagnetic radiation arranged in order of increasing frequency?
Which of the following is, "A device used to connect two separate Ethernet networks into one extended Ethernet."?
________________ is a language for the specification of procedures for the retrieval (and sometimes also modification) of information from a database.
Read the pairs given below -
Name : Formula
1. Acetone : $$CH_2OHCHOHCH_2OH$$
2. Ethanal : $$CH_3CHO$$
3. Formaldehyde : $$HCHO$$
4. Glycerol : $$CH_3COCH_3$$
Which of the above pairs are correctly matched?
What is the IUPAC name of tert-Butyl bromide?
Francium is highly radioactive; its longest-lived isotope223Fr has a half-life of only _____________.
Which of the following elements has the highest atomic number?
Which of the following statements is true?
_____ is the rigid top layer of the earth.
While testing pollution in water a high coliform count indicates high levels of ______.
Which of the following gases present in the earth's atmosphere absorbs ultraviolet radiation emitted from the sun?
What is India's National Fruit?
Donald Trump is the _____ President of USA.
Who invented the Video Game Console?
Who discovered the neutron and its properties?
Whom did Roger Federer beat in Australian Open 2017 Men's Singles Final?
Bhupen Khakkar was a renowned ___________.
The Lotus Temple is located in Delhi, India. It is composed of how many free-standing marble-clad "petals"?
Onam is a traditional Hindu festival celebrated in ________.
Oliver Hart won Nobel Prize in 2016 for his contribution in the field of __________.
"The Great Gatsby" has been authored by ______________.
