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

Which of the following is not an example of adiabatic process

Question # 2

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

Question # 3

On the exaust stroke, the outlet values opens. The residual gases are expelled and piston moves

Question # 4

The kinetic energy of one molecule of a gas at normal temperature and pressure will be (k = 8.31 J/mole K) :

Question # 5

It is impossible to devise a processes which may convert heat, extracted from a single reservoir, entirely into work without leaving any change in the working system. This is the statement of

Question # 6

Two samples A and B of a gas initially of the same temperature and pressure are compressed from a volume V to a volume V/2 such that A is compressed isothermally and B adiabatically. The final pressure

Question # 7

Specific heat at constant pressure is greater than the specific heat at constant volume because

Question # 8

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

Question # 9

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

Question # 10

Gas constant per molecule is called:

Question # 11

The absolute temperature for an ideal gas is

Question # 12

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

Question # 13

The rate of change of momentum of a molecule is equal to:

Question # 14

Triple point of water is

Question # 15

Amount of heat required to raise the temperature of a body through 1 K is called its

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ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 The absolute temperature of the tripple point of water is
A. 100°C
B. 4°C
C. 373 K
D. 273.16 K
2 If the distance between two charges is doubled, the force between them will become:
A. Double
B. Half
C. Three times
D. One fourth
3 In the theory of dimensional analysis, heat may be properly represented by:
A. ML2T-2
B. MT-2
C. ML-1T-1
D. None of these
4 10 c.c. each of oxygen and hydrogen are kept in separate flasks. Then which of the following relations is correct?
A. Each have same number of molecules
B. Don't have same number of molecules
C. Can't be predicted
D. None
5 If 42 J heat is transferred to the system and the work done by the system is 32 J then what will be the change in internal energy
A. 0 J
B. 2 J
C. 5 J
D. 10 J
6 Rate of diffusion is
A. Faster in solids than in liquids and gases
B. Faster in liquids than in solids and gases
C. Equal to solids, liquids and gases
D. Faster in gases than in liquids and solids
7 The nature of thermal radiation is similar to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of these
8 Which of the following is not an assumption of kinetic energy
A. a finite volume of gas consists of very large number of molecules
B. the gas molecules are in random motion
C. collision between the gas molecules are inelastic
D. the size of the gas molecules is much smaller than the separation between molecules
9 A diatomic gas molecule has
A. translational energy
B. rotaional energy
C. vibrational energy
D. all of them
10 At the constant temperature, if the value of a given mass of a gas is double, then the density of gas becomes:
A. Double
B. Remains constant
C. Half
D. None of these

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  • Arsal

    Arsal

    31 Jan 2018

    Entry test is a good thing

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