ECAT Pre Engineering Physics Chapter 11 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics

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Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics

00:00
Question # 1

Which of the following is not an assumption of kinetic energy

Question # 2

A typical four stroke petrol engine undergoes how many successive processes in each cycle

Question # 3

The pressure exerted by the gas is

Question # 4

During the whole carnot cycle

Question # 5

On colliding in a closed container, the gas molecules

Question # 6

The pressure of gas everywhere inside the vessel will be the same provided the gas is of

Question # 7

If R is gas constant for 1 gram mole, Cpand Cvare specific heat for a solid then

Question # 8

The curve representing an adiabatic process is called

Question # 9

If the volume of the gas is to be increased by 4 times, then

Question # 10

The example of irreversible process is

Question # 11

A process is a reversible process, if the entropy of the system

Question # 12

Adiabatic change occurs when the gas

Question # 13

In thermodynamics, internal energy is the function of

Question # 14

A heat engine is that which converts

Question # 15

A gas is compressed adiabatically till its temperature is double. The ratio of its final volume to initial volume will be

Question # 16

In the theory of dimensional analysis, heat may be properly represented by:

Question # 17

Generally a temperature scale is established by using certain physical properties of a material which varies

Question # 18

If an amount of heat enters the system it could

Question # 19

If a liquid is heated in weightlessness, the heat is transmitted through

Question # 20

The curve representing an isothermal process is called

Question # 21

Rate of diffusion is

Question # 22

Tick the correct pair when M denotes the molecular mass and other symbols carry usual meanings:

Question # 23

The work done on the system by the environment is considered as

Question # 24

At O° K which of the following properties of a gas will be zero?

Question # 25

If the distance between two charges is doubled, the force between them will become:

Question # 26

A succession of events which bring the system back to its initial condition is called

Question # 27

Maximum density of H2O is at the temperature

Question # 28

One kilogram of different substances contain

Question # 29

The bicycle pump provides a good example of

Question # 30

No spark plug is needed in

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ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 The pressure exerted by the gas is
A. directly proportional to the P.E
B. inversely proportional to the P.E
C. inversely proportional to the K.E
D. directly proportional to the K.E
2 The internal energy of a system does not depend upon the
A. initial state of the system
B. final state of the system
C. path
D. none of them
3 On the exaust stroke, the outlet values opens. The residual gases are expelled and piston moves
A. outwards
B. inwards
C. in either way
D. none of these
4 For the working of a heat engine, there must be
A. a source of heat at high temperature
B. a sink at low temperature
C. both of them
D. none of them
5 The pressure of gas everywhere inside the vessel will be the same provided the gas is of
A. Non-uniform density
B. uniform density
C. high density
D. low density
6 The curve representing an adiabatic process is called
A. isotherm
B. adiabat
C. adiable
D. none of them
7 The work done on the system by the environment is considered as
A. positive
B. negative
C. zero
D. any one of them
8 The value of E0in coulomb's law is:
A. 9 x 109Nm2C-2
B. 8.85 x 10-12C2N-1m-2
C. 8.85 x 10-12Nm2C-2
D. 9 x 109C2N-1m-2
9 Two metal rods A and B have their initial lengths in the ratio 2 : 3 and coefficients of linear expansion in the ratio 4 : 3. When they are heated through same temperature difference the ratio of their linear expansion is
A. 1 : 2
B. 2 : 3
C. 3 : 4
D. 8 : 9
10 Boyle's law is applicable in
A. Isochoric process
B. Isothermal process
C. Isobaric process
D. Isotonic process

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  • Bilal A Munir

    Bilal A Munir

    20 Jun 2018

    Nice

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