Mock Test: SSC JE (ME)- 10

# Mock Test: SSC JE (ME)- 10

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## 100 Questions MCQ Test Mechanical Engineering SSC JE (Technical) | Mock Test: SSC JE (ME)- 10

Mock Test: SSC JE (ME)- 10 for Mechanical Engineering 2023 is part of Mechanical Engineering SSC JE (Technical) preparation. The Mock Test: SSC JE (ME)- 10 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Mock Test: SSC JE (ME)- 10 MCQs are made for Mechanical Engineering 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Mock Test: SSC JE (ME)- 10 below.
Solutions of Mock Test: SSC JE (ME)- 10 questions in English are available as part of our Mechanical Engineering SSC JE (Technical) for Mechanical Engineering & Mock Test: SSC JE (ME)- 10 solutions in Hindi for Mechanical Engineering SSC JE (Technical) course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Mock Test: SSC JE (ME)- 10 | 100 questions in 100 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Mechanical Engineering SSC JE (Technical) for Mechanical Engineering Exam | Download free PDF with solutions
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Mock Test: SSC JE (ME)- 10 - Question 1

### The heat and work are mutually convertible. This statement is called ......law of thermodynamics.

Mock Test: SSC JE (ME)- 10 - Question 2

### The amount of heat required to raise the temperature of 1 kg of water through one kelvin in called

Mock Test: SSC JE (ME)- 10 - 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

Mock Test: SSC JE (ME)- 10 - Question 4

In a steady flow process, the ratio of

Mock Test: SSC JE (ME)- 10 - Question 5

The efficiency of Carnot cycle depends upon

Mock Test: SSC JE (ME)- 10 - Question 6

In a quasi equilibrium process, the pressure in a system

Mock Test: SSC JE (ME)- 10 - Question 7

A system and its environment put together constitute

Mock Test: SSC JE (ME)- 10 - Question 8

The standard fixed point of thermometry is

Mock Test: SSC JE (ME)- 10 - Question 9

In free expansion process

Mock Test: SSC JE (ME)- 10 - Question 10

A PMM1 is

Mock Test: SSC JE (ME)- 10 - Question 11

Compressed air coming out from a punctured football

Mock Test: SSC JE (ME)- 10 - 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

Mock Test: SSC JE (ME)- 10 - Question 13

Which is usually the costliest item in a refrigeration system ?

Mock Test: SSC JE (ME)- 10 - Question 14

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

Mock Test: SSC JE (ME)- 10 - Question 15

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

Mock Test: SSC JE (ME)- 10 - Question 16

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

Mock Test: SSC JE (ME)- 10 - Question 17

The expressionis used for calculating

Mock Test: SSC JE (ME)- 10 - 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

Mock Test: SSC JE (ME)- 10 - Question 19

In a four stroke cycle diesel engine, the exhaust valve

Mock Test: SSC JE (ME)- 10 - Question 20

A petrol engine, during suction stroke draws

Mock Test: SSC JE (ME)- 10 - Question 21

The probability of knocking in diesel engines is increased by

Mock Test: SSC JE (ME)- 10 - Question 22

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

Mock Test: SSC JE (ME)- 10 - Question 23

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

Mock Test: SSC JE (ME)- 10 - Question 24

The minimum number of rings in a piston

Mock Test: SSC JE (ME)- 10 - Question 25

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

Mock Test: SSC JE (ME)- 10 - Question 26

Lenoir cycle is used in

Mock Test: SSC JE (ME)- 10 - Question 27

Ethyl fluid is used

Detailed Solution for Mock Test: SSC JE (ME)- 10 - Question 27

For practical purposes ethyl fluid is used to increase the octane rating of the fuel.

Mock Test: SSC JE (ME)- 10 - Question 28

Hard coke is used in

Mock Test: SSC JE (ME)- 10 - Question 29

The incomplete combustion is indicated by the presence of

Mock Test: SSC JE (ME)- 10 - Question 30

Efficiency of chimney draught is of the order of

Mock Test: SSC JE (ME)- 10 - Question 31

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

Mock Test: SSC JE (ME)- 10 - Question 32

Rankine cycle is a

Mock Test: SSC JE (ME)- 10 - Question 33

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

Mock Test: SSC JE (ME)- 10 - Question 34

Benson boiler requires

Mock Test: SSC JE (ME)- 10 - Question 35

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

Mock Test: SSC JE (ME)- 10 - 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

Mock Test: SSC JE (ME)- 10 - Question 37

Which of the following statement is correct ?

Detailed Solution for Mock Test: SSC JE (ME)- 10 - Question 37

Lancashire Boiler is a horizontal type and stationary fire tube boiler.

There are two types of a fire-tube boiler which are Internally & Externally fired boilers

Babcock and Wilcox Boiler was discovered by George Herman Babcock and Stephen Wilcox in the year 1967. This is a water tube boiler, used in steam power plants. In this type of boilerwater is circulated inside the tubes and hot gases flow over the tubes.

Mock Test: SSC JE (ME)- 10 - Question 38

Surface tension is due to

Mock Test: SSC JE (ME)- 10 - Question 39

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

Detailed Solution for Mock Test: SSC JE (ME)- 10 - Question 39

Explanation : Capillarity is the property of both cohesion and adhesion. But surface tension is due to cohesion only it does not involve adhesion. As cohesive force is higher than adhesion in mercury it does not wet the glass.

Mock Test: SSC JE (ME)- 10 - Question 40

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

Mock Test: SSC JE (ME)- 10 - Question 41

Fluid is a substance which offers no resistance to change of

Mock Test: SSC JE (ME)- 10 - Question 42

The continuity equation represents conservation of

Mock Test: SSC JE (ME)- 10 - Question 43

Navier-Stoke's equation represents the conservation of

Mock Test: SSC JE (ME)- 10 - 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

Mock Test: SSC JE (ME)- 10 - Question 45

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

Mock Test: SSC JE (ME)- 10 - Question 46

A manometer is used to measure

Mock Test: SSC JE (ME)- 10 - Question 47

The discharge through a venturimeter is given by

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

Mock Test: SSC JE (ME)- 10 - Question 48

Multi -stage centrifugal pumps are used to

Detailed Solution for Mock Test: SSC JE (ME)- 10 - Question 48

Explanation : Within a multistage centrifugal pump, each impeller acts like a single-stage pump within a chain of pumps. As the liquid is propelled from one impeller to the next within the pump’s housing, the pressure of the liquid continuously increases as it passes through until it exits the pump.

By relying on multiple impellers to distribute the pressure-building load of the pump, multistage centrifugal pumps can generate greater power and pressure with smaller motors, using less energy.

The biggest advantage of centrifugal pumps is their aforementioned simplicity. They don't require any valves, or many moving parts. This makes them easy to produce with many different materials. It also allows them to move at high speeds with minimal maintenance.

Mock Test: SSC JE (ME)- 10 - Question 49

Discharge of a centrifugal pump is

Mock Test: SSC JE (ME)- 10 - Question 50

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

Mock Test: SSC JE (ME)- 10 - Question 51

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

Mock Test: SSC JE (ME)- 10 - Question 52

Non -coplaner concurrent forces are those forces which

Mock Test: SSC JE (ME)- 10 - Question 53

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

Detailed Solution for Mock Test: SSC JE (ME)- 10 - Question 53

The angle of inclination of the plane at which the body begins to move down the plane, is called angle of repose.

Mock Test: SSC JE (ME)- 10 - Question 54

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

Mock Test: SSC JE (ME)- 10 - Question 55

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

Mock Test: SSC JE (ME)- 10 - Question 56

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

Mock Test: SSC JE (ME)- 10 - Question 57

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

Detailed Solution for Mock Test: SSC JE (ME)- 10 - Question 57

Explanation : Both zero and changes sign is the correct answer. Because when sf changes sign from max to min or vice versa, it will come to a point when sf will be zero.

So according to the given options "changes sign" is the correct answer.

Mock Test: SSC JE (ME)- 10 - Question 58

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

Mock Test: SSC JE (ME)- 10 - 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

Mock Test: SSC JE (ME)- 10 - Question 60

Rupture stress is

Mock Test: SSC JE (ME)- 10 - Question 61

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

Mock Test: SSC JE (ME)- 10 - Question 62

Modulus of resilience is

Mock Test: SSC JE (ME)- 10 - 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

Mock Test: SSC JE (ME)- 10 - Question 64

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

Mock Test: SSC JE (ME)- 10 - Question 65

The steel bars in reinforced cement concrete beam are located at

Mock Test: SSC JE (ME)- 10 - 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

Mock Test: SSC JE (ME)- 10 - Question 67

Quick return mechanics is used in

Mock Test: SSC JE (ME)- 10 - Question 68

Oldham's coupling is the inversion of

Mock Test: SSC JE (ME)- 10 - Question 69

A Hook's joint is used to connect

Mock Test: SSC JE (ME)- 10 - Question 70

The cam size depends upon

Mock Test: SSC JE (ME)- 10 - Question 71

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

Mock Test: SSC JE (ME)- 10 - Question 72

Common contact ratio of a pair of spur pinion

Mock Test: SSC JE (ME)- 10 - Question 73

The coriolis component of acceleration acts

Mock Test: SSC JE (ME)- 10 - Question 74

The condition for correct steering of a Davis steering gear is

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

Mock Test: SSC JE (ME)- 10 - Question 75

The metal suitable for bearings subjected to light loads is

Detailed Solution for Mock Test: SSC JE (ME)- 10 - Question 75

The metal suitable for bearings subjected to light loads is phosphor bronze.

Mock Test: SSC JE (ME)- 10 - Question 76

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

Mock Test: SSC JE (ME)- 10 - Question 77

Gears are casted by

Mock Test: SSC JE (ME)- 10 - Question 78

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

Mock Test: SSC JE (ME)- 10 - 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

Detailed Solution for Mock Test: SSC JE (ME)- 10 - Question 79

Explanation : In case of thin spherical shell hoop and longitudinal stresses are same as here length and dia are not two separate things. Both are equal. That's why when we equal resisting stress to the stress due to internal pressure same value is obtained for hoop and longitudinal.

Mock Test: SSC JE (ME)- 10 - Question 80

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

Mock Test: SSC JE (ME)- 10 - Question 81

Negative rake angle is usually provided on

Mock Test: SSC JE (ME)- 10 - Question 82

Ceramic cutting tool chip are fixed to the tool body by

Mock Test: SSC JE (ME)- 10 - Question 83

Size of a shaper is given by

Mock Test: SSC JE (ME)- 10 - Question 84

Which of the following is an example of rothogonal cutting ?

Mock Test: SSC JE (ME)- 10 - Question 85

A trepanning tool is used on

Mock Test: SSC JE (ME)- 10 - Question 86

Size of shaper is specified by

Mock Test: SSC JE (ME)- 10 - Question 87

The soldering process is carried out in the temperature range

Mock Test: SSC JE (ME)- 10 - Question 88

The commonly used flux for brazing is

Mock Test: SSC JE (ME)- 10 - Question 89

Which of the following welding techniques uses a nonconsumable electrode ?

Mock Test: SSC JE (ME)- 10 - Question 90

Oxyacetylene flame cuts metal by its

Mock Test: SSC JE (ME)- 10 - Question 91

Silicon is added in low carbon steels to

Mock Test: SSC JE (ME)- 10 - Question 92

A steel alloy containing 36% nickel is called

Mock Test: SSC JE (ME)- 10 - Question 93

The sand used for making cores is

Mock Test: SSC JE (ME)- 10 - Question 94

The purpose of a gate is to

Mock Test: SSC JE (ME)- 10 - Question 95

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

Mock Test: SSC JE (ME)- 10 - Question 96

The acetylene cylinder is usually painted with

Mock Test: SSC JE (ME)- 10 - Question 97

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

Mock Test: SSC JE (ME)- 10 - Question 98

Tool life is measured by the

Mock Test: SSC JE (ME)- 10 - Question 99

The chamfering is an essential operation after

Mock Test: SSC JE (ME)- 10 - Question 100

In electro-discharge machining, tool is made of

## Mechanical Engineering SSC JE (Technical)

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## Mechanical Engineering SSC JE (Technical)

6 videos|97 docs|55 tests