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# Test: Mechanical Engineering- 10

## 100 Questions MCQ Test Mock Test Series for SSC JE Mechanical Engineering | Test: Mechanical Engineering- 10

Description
This mock test of Test: Mechanical Engineering- 10 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. This contains 100 Multiple Choice Questions for Mechanical Engineering Test: Mechanical Engineering- 10 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Mechanical Engineering- 10 quiz give you a good mix of easy questions and tough questions. Mechanical Engineering students definitely take this Test: Mechanical Engineering- 10 exercise for a better result in the exam. You can find other Test: Mechanical Engineering- 10 extra questions, long questions & short questions for Mechanical Engineering on EduRev as well by searching above.
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QUESTION: 2

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QUESTION: 3

### A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called

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QUESTION: 4

In a steady flow process, the ratio of

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QUESTION: 5

The efficiency of Carnot cycle depends upon

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QUESTION: 6

In a quasi equilibrium process, the pressure in a system

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QUESTION: 7

A system and its environment put together constitute

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QUESTION: 8

The standard fixed point of thermometry is

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QUESTION: 9

In free expansion process

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QUESTION: 10

A PMM1 is

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QUESTION: 11

Compressed air coming out from a punctured football

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QUESTION: 12

The figure as shown below is the variation of the pressure of a gas with temperature (not volume) a given mass of an idea gas is subjected to various process starting from the state represented by point A. Which graph does an isochoric process represent Solution:
QUESTION: 13

Which is usually the costliest item in a refrigeration system ?

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QUESTION: 14

COP of a domestic refrigerator in comparison to domestic air conditioner will be

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QUESTION: 15

When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by

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QUESTION: 16

The difference between dry bulb temperature ad wet bulb temperature, is called

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QUESTION: 17

The expressionis used for calculating

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QUESTION: 18

In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a

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QUESTION: 19

In a four stroke cycle diesel engine, the exhaust valve

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QUESTION: 20

A petrol engine, during suction stroke draws

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QUESTION: 21

The probability of knocking in diesel engines is increased by

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QUESTION: 22

The frictional power (F.P.) is given by

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QUESTION: 23

The nuclear radiators produced in a reactor which must be shielded are

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QUESTION: 24

The minimum number of rings in a piston

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QUESTION: 25

In a SI engine very high compression ratio cannot be used because

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QUESTION: 26

Lenoir cycle is used in

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QUESTION: 27

Ethyl fluid is used

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QUESTION: 28

Hard coke is used in

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QUESTION: 29

The incomplete combustion is indicated by the presence of

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QUESTION: 30

Efficiency of chimney draught is of the order of

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QUESTION: 31

Power required by fan in forced draught is ...... to that of induced draught

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QUESTION: 32

Rankine cycle is a

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QUESTION: 33

Which of the following component is not subjected to high-pressure high-temperature steam ?

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QUESTION: 34

Benson boiler requires

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QUESTION: 35

The amount of water evaporated in kg per kg of fuel burnt is called

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QUESTION: 36

In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to

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QUESTION: 37

Which of the following statement is correct ?

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QUESTION: 38

Surface tension is due to

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QUESTION: 39

The Mercury is known as non-wetting liquid because it does not wet the surface. The Mercury posses this property due to

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QUESTION: 40

Which one of the following is a typical example of non-newtonian fluid of Pseudo plastic variety

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QUESTION: 41

Fluid is a substance which offers no resistance to change of

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QUESTION: 42

The continuity equation represents conservation of

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QUESTION: 43

Navier-Stoke's equation represents the conservation of

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QUESTION: 44

When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressure is called

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QUESTION: 45

The point at which the resultant pressure on an immersed surface acts, is known as

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QUESTION: 46

A manometer is used to measure

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QUESTION: 47

The discharge through a venturimeter is given by

where Cd = Coefficient of discharge,
a1 = Area at inlet,
a2 = Area at throat, and

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QUESTION: 48

Multi -stage centrifugal pumps are used to

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QUESTION: 49

Discharge of a centrifugal pump is

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QUESTION: 50

The specific speed from 160 to 500 r.p.m. of a centrifugal pump indicates that the pump is

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QUESTION: 51

The forces, whose lines of action are parallel to each other and act in the same directions, are known as

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QUESTION: 52

Non -coplaner concurrent forces are those forces which

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QUESTION: 53

The angle of inclination of the plane at which the body begin to move down the plane is called

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QUESTION: 54

A leader is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act

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QUESTION: 55

The ratio of change in volume to the original volume is called

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QUESTION: 56

A localised compressive stress at the area of contact between two members is known as

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QUESTION: 57

The bending moment on a section is maximum where shear force is

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QUESTION: 58

The maximum bending moment of a simply supported beam of span l and carrying a pointloadW at the centre of beam, is

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QUESTION: 59

When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as

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QUESTION: 60

Rupture stress is

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QUESTION: 61

A material capable of absorbing large amount of energy before fracture is known as

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QUESTION: 62

Modulus of resilience is

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QUESTION: 63

If a shaft is rotating at N revolutions per minute with an applied torque T N-m, the power being transmitted by the shaft in watt is

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QUESTION: 64

For a circular shaft of diameter d subjected to torque T, the maximum value of the shear stress
is

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QUESTION: 65

The steel bars in reinforced cement concrete beam are located at

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QUESTION: 66

A simply supported beam of span L carries a point load P at the mid span. The downward  deflection under the load will be

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QUESTION: 67

Quick return mechanics is used in

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QUESTION: 68

Oldham's coupling is the inversion of

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QUESTION: 69

A Hook's joint is used to connect

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QUESTION: 70

The cam size depends upon

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QUESTION: 71

The motion transmitted between the teeth of two spur gears is generally

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QUESTION: 72

Common contact ratio of a pair of spur pinion

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QUESTION: 73

The coriolis component of acceleration acts

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QUESTION: 74

The condition for correct steering of a Davis steering gear is

where a = Angle of inclination of the links to the vertical

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QUESTION: 75

The metal suitable for bearings subjected to light loads is

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QUESTION: 76

The process which improves the machinability of steels, but lowers the hardness and tensile strength is

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QUESTION: 77

Gears are casted by

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QUESTION: 78

The ratio of endurance limit in shear to the endurance limit in flexure is

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QUESTION: 79

A thin spherical shell of internal diameter d is subjected to an internal pressure p. If st is the tensile stress for the shell material, then thickness of shell is equal to

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QUESTION: 80

The centre to centre distance between two consecutive rivets in a row, is called

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QUESTION: 81

Negative rake angle is usually provided on

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QUESTION: 82

Ceramic cutting tool chip are fixed to the tool body by

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QUESTION: 83

Size of a shaper is given by

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QUESTION: 84

Which of the following is an example of rothogonal cutting ?

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QUESTION: 85

A trepanning tool is used on

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QUESTION: 86

Size of shaper is specified by

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QUESTION: 87

The soldering process is carried out in the temperature range

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QUESTION: 88

The commonly used flux for brazing is

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QUESTION: 89

Which of the following welding techniques uses a nonconsumable electrode ?

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QUESTION: 90

Oxyacetylene flame cuts metal by its

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QUESTION: 91

Silicon is added in low carbon steels to

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QUESTION: 92

A steel alloy containing 36% nickel is called

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QUESTION: 93

The sand used for making cores is

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QUESTION: 94

The purpose of a gate is to

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QUESTION: 95

A casting defect which occurs near the ingrates as rough lumps on the surface of a casting is known as

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QUESTION: 96

The acetylene cylinder is usually painted with

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QUESTION: 97

The high cutting speed and large rake angle of the tool will result in the formation of

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QUESTION: 98

Tool life is measured by the

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QUESTION: 99

The chamfering is an essential operation after

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QUESTION: 100

In electro-discharge machining, tool is made of

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