ECAT Pre Computer Science Chapter 11 MCQ Test With Answer

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

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

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ECAT Physics Chapter 11 Heat & Thermodynamics

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Question # 1

Since the absolute scale is independent of the property of the working substance, hence, can be applied at

Question # 2

If an amount of heat enters the system it could

Question # 3

In the formula P = N0KT, N0denotes:

Question # 4

If N is the total number of molecules and V is the volume of the container, then the expression for the pressure of gas is

Question # 5

During the whole carnot cycle

Question # 6

R.M.S velocity of a particle is V at pressure P. If pressure increases by two times, then R.M.S velocity becomes

Question # 7

Absolute temperature can be calculated by

Question # 8

A carnot cycle consists of

Question # 9

Good absorbers of heat are

Question # 10

Which quantity is important in stating the entropy of the system

Question # 11

The pressure exerted by the gas is

Question # 12

At absolute temperature, the kinetic energy of the molecules

Question # 13

In an adiabatic expansion, the temperature of the gas

Question # 14

First law of thermodynamics tells us that heat energy can be converted into equivalent amount of work, but it is silent about

Question # 15

The concept of entropy was introduced into the study of thermodynamics in

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ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 R.M.S velocity of a particle is V at pressure P. If pressure increases by two times, then R.M.S velocity becomes
A. 2V
B. 3V
C. 0.5V
D. V
2 Melting point of ice
A. Increases with increasing pressure
B. Decreases with increasing pressure
C. Is independent of pressure
D. Is proportional to pressure
3 First law of thermodynamics tells us that heat energy can be converted into equivalent amount of work, but it is silent about
A. how heat is absorbed
B. how heat extracted
C. how this conversion takes place
D. none of them
4 If a system undergoes a natural process it will go in the direction that causes the entropy of the system plus the environment to increase, this is another statement of
A. second law thermodynamics
B. first law of thermodynamics
C. third law of thermodynamics
D. none of them
5 In the reverse process, the working substance passes through the same stages as in the direct process and
A. thermal effects at each stage are exactly reversed
B. mechanical effects at each stage are exactly reversed
C. thermal and mechanical effects at each stage remain the same
D. thermal and mechanical effects at each stage are exactly reversed
6 The curve representing an isothermal process is called
A. adiabat
B. isotherm
C. fixed temperature
D. none of them
7 A carnot cycle consists of
A. One step
B. two step
C. three steps
D. four steps
8 At O° K which of the following properties of a gas will be zero?
A. Kinetic energy
B. Potential energy
C. Vibrational energy
D. Density
9 While deriving equation of pressure by kinetic theory of gases, we take into account:
A. Only linear motion of molecules
B. Only rotational motion
C. Only vibratory motion
D. All of these
10 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

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  • Arsal

    Arsal

    31 Jan 2018

    Entry test is a good thing

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