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# Test: Mechanical Engineering- 11

## 100 Questions MCQ Test Mock Test Series for SSC JE Mechanical Engineering | Test: Mechanical Engineering- 11

Description
This mock test of Test: Mechanical Engineering- 11 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. This contains 100 Multiple Choice Questions for Mechanical Engineering Test: Mechanical Engineering- 11 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Mechanical Engineering- 11 quiz give you a good mix of easy questions and tough questions. Mechanical Engineering students definitely take this Test: Mechanical Engineering- 11 exercise for a better result in the exam. You can find other Test: Mechanical Engineering- 11 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 couple produces

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QUESTION: 4

The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

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QUESTION: 5

Which of the following is the extensive property of a thermodynamic system ?

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QUESTION: 6

According to First law of thermodynamics

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QUESTION: 7

Second law of thermodynamics defines

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QUESTION: 8

The state of a substance whose evaporation from its liquid state is complete, is known as

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QUESTION: 9

All perfect gases change in volume by 1/273th of its original volume at 0ºC for every IºCchange in temperature, when the pressure remains constant. This statement is called

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QUESTION: 10

The absolute zero pressure will be

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QUESTION: 11

Relation between cp and cv is given by

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QUESTION: 12

The heat energy stored in the gas and used for raising the temperature of the gas is known as

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QUESTION: 13

Workdone in a free expansion process is

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QUESTION: 14

The main cause for the irreversibility is

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QUESTION: 15

The isothermal and adiabatic processes are regarded as

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QUESTION: 16

The efficiency of the Carnot cycle is

where T1 and T2 = Highest and lowest temperature during the cycle.

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QUESTION: 17

One tonne of refrigeration (1TR) means that the heat removing capacity is

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QUESTION: 18

The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by

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QUESTION: 19

In aircraft, air refrigeration cycle is used because of

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QUESTION: 20

The leakage in a refrigeration system using freon is detected by

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QUESTION: 21

Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere ?

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QUESTION: 22

In a four stroke engine, the working cycle is completed in

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QUESTION: 23

In a four stroke cycle petrol engine, the inlet valve

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QUESTION: 24

The inlet valve of a four stroke cycle internal combustion engine remains open for

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QUESTION: 25

A spark plug gap is kept from

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QUESTION: 26

The ignition quality of petrol is expressed by

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QUESTION: 27

The two reference fuels used for cetane rating are

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QUESTION: 28

The basic requirement of a good combustion chamber is

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QUESTION: 29

The effective inhibitor of pre-ignition is

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QUESTION: 30

A closed vessel made of steel and used for the generation of steam is called a

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QUESTION: 31

Water tube boilers are

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QUESTION: 32

The diameter of a cylindrical shall of a Scotch marine boiler varies from

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QUESTION: 33

Locomotive boiler is a

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QUESTION: 34

The fittings mounted on the boiler for its proper and safe functioning is a

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QUESTION: 35

Which of the following is not a boiler mounting?

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QUESTION: 36

The maximum heat loss is a boiler occurs due to

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QUESTION: 37

An air preheater is installed

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QUESTION: 38

The draught may be produced by a

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QUESTION: 39

The liquid used in manometers should have

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QUESTION: 40

When a body is placed over a liquid, it will sink down if

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QUESTION: 41

A flow whose streamline is represented by a curve, is called

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QUESTION: 42

The divergent portion of a venturimeter is made longer than convergent portion in order

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QUESTION: 43

The discharge through a large rectangular orifice is given by

where H1 = Height of the liquid above the top of the orifice.
H2 = Height of the liquid above the bottom of the orifice,
b = Breadth of the orifice, and
Cd = Coefficient of discharge

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QUESTION: 44

The maximum efficiency of transmission through a pipe is

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QUESTION: 45

Bulk modulus of a fluid is the ratio of

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QUESTION: 46

The force present in a moving liquid is

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QUESTION: 47

Which of the following is a proper sequence ?

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QUESTION: 48

Hook's law holds good up to

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QUESTION: 49

The maximum stress produced in a bar of tapering section is at

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QUESTION: 50

Shear modulus is the ratio of

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QUESTION: 51

When a body is subjected to a direct tensile stress (sx) in one plane accompanied by a
simple shear stress (txy), the maximum normal stress is

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QUESTION: 52

Strain energy is the

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QUESTION: 53

The strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as

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QUESTION: 54

A beam encastered at both the ends is called

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QUESTION: 55

The shear force at the centre of a simply supported beam with a gradually varying load from zero at both ends to w per metre at thecentre, is

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QUESTION: 56

The bending equation is

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QUESTION: 57

When a rectangular beam is loaded transversely, the maximum tensile stress is developed on

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QUESTION: 58

If the composite shaft in the above question is fixed at one end and the other end is subjected
to a torque, then its equivalent spring constant is

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QUESTION: 59

The buckling load for a given column depends upon

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QUESTION: 60

Euler's formula holds good only for

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QUESTION: 61

The Rankine's formula for columns is

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QUESTION: 62

Fatigue test is carried out for

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QUESTION: 63

The point of contraflexure occurs in

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QUESTION: 64

The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as

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QUESTION: 65

Which of the following is an example of a higher pair ?

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QUESTION: 66

The relation between number of pairs (p) forming a kinematic chain and the number oflinks (l) is

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QUESTION: 67

The mechanism forms a structure, when the number of degrees of freedom (n) is equal to

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QUESTION: 68

Scotch yoke mechanism is used to generate

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QUESTION: 69

The total number of instantaneous centres for a mechanism of n links are

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QUESTION: 70

The instantaneous centre of a rigid thin disc rolling on a plane rigid surface is located at

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QUESTION: 71

According to India standard specifications, 100 H6/ g5 means that the

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QUESTION: 72

The velocity of the belt for maximum power is

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QUESTION: 73

The included angle for the V-belt is usually

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The V-belts are made of fabric and cords moulded in rubber and covered with fabric and rubber. These belts are moulded to a trapezoidal shape and are made endless. These are particularly suitable for short drives. The included angle for the V-belt is usually from 30° to 40°.

QUESTION: 74

Idler pulley is used for

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QUESTION: 75

18/8 steel contains

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QUESTION: 76

An aluminium member is designed on the basis of

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QUESTION: 77

Guest's theory is used for

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QUESTION: 78

The design sensitivity q is expressed in terms of fatigue stress concentration factor Kf and
theoretical stress concentration factor Kt, as

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QUESTION: 79

In designing thick cylinders, the equation used is

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QUESTION: 80

The pipe joint mostly used for pipes carrying water at low pressures is

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QUESTION: 81

Which of the following property is desirable in parts subjected to shock and impact loads ?

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QUESTION: 82

The carbon in the pig iron varies from

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QUESTION: 83

Cast iron is manufactured in

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QUESTION: 84

Wrought iron

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QUESTION: 85

Nickel when added to copper improves

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QUESTION: 86

Babit metal contains

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QUESTION: 87

In oblique cutting of metals, the cutting edge of the tool is

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QUESTION: 88

Continuous chips with built up edge are formed during machining of

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QUESTION: 89

Cast iron during machining produces

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QUESTION: 90

If the cutting speed is increased, then the builtup- edge

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QUESTION: 91

Flank wear occurs mainly on the

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Crater wear occurs on the rake face of the tool, while flank wear occurs on the relief (flank) face of the tool.

QUESTION: 92

The tool life is said to be over if

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QUESTION: 93

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QUESTION: 94

The chamfering is an essential operation after

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QUESTION: 95

In a planer

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QUESTION: 96

In centreless grinders, the regulating wheel is inclined at

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QUESTION: 97

Broaching is applied for machining

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QUESTION: 98

In ultra-sonic machining, tool is made of

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QUESTION: 99

The operation of cutting of a flat sheet to the desired shape is called

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QUESTION: 100

In shielded arc welding

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