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

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

Question # 2

The curve representing an adiabatic process is called

Question # 3

The temperature scale approved in SI units is:

Question # 4

The disorder in the system increases due to the

Question # 5

Sadi carnot described an ideal heat engine in

Question # 6

One kilogram of different substances contain

Question # 7

Pressure of a gas at constant volume is proportion to

Question # 8

In an adiabatic process the work is done at the expense of the

Question # 9

The heat required to raise the temperature of one mole of the gas through 1 K at constant volume is called

Question # 10

Carnot heat engine only used

Question # 11

No spark plug is needed in

Question # 12

According to the second law, which is must to produce work

Question # 13

In thermodynamics, internal energy is the function of

Question # 14

The volume of a gas will be double of what it is at 0°C (pressure remaining constant) at

Question # 15

A process in which no heat enters or leaves the system is called

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ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 The temperature of gas is produced by
A. At potential energy of its molecules
B. The kinetic energy of its molecules
C. The attractive force between its molecules
D. The repulsive force between its molecules
2 One kilogram of different substances contain
A. same number of molecules
B. different number of molecules
C. may be same or different
D. none of them
3 The efficiency of diesel engine is
A. 25%
B. 25 - 30%
C. 35%
D. 35 - 40%
4 The product of the pressure and volume of an ideal gas is
A. A constant
B. Approximately equal to the universal gas constant
C. Directly proportional to its temperature
D. Inversely proportional to its temperature
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
A. Clausius statement of second law
B. Kelvin'sstatement of second law
C. Clausius statement of first law
D. Kelvin's statement of first law
6 Carnot heat engine only used
A. isothermal processes
B. adiabatic processes
C. both of them
D. none of them
7 A succession of events which bring the system back to its initial condition is called
A. reversible process
B. irreversible process
C. a cycle
D. none of them
8 Hotness and coldness of an object is represented in terms:
A. Heat
B. Temperature
C. Chemical energy
D. None of these
9 The curve representing an adiabatic process is called
A. isotherm
B. adiabat
C. adiable
D. none of them
10 One mole of any substance contain
A. same number of molecules
B. different number of molecules
C. may be same or different
D. none of them

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  • Arsal

    Arsal

    31 Jan 2018

    Entry test is a good thing

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