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

Sadi carnot described an ideal heat engine in

Question # 2

The internal energy of a system does not depend upon the

Question # 3

Maximum density of H2O is at the temperature

Question # 4

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

Question # 5

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

Question # 6

In an ideal gas, the molecules have:

Question # 7

When two objects are rubbed together, their internal energy

Question # 8

At constant volume temperature is increased. Then

Question # 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

Question # 10

The pressure exerted by the gas is

Question # 11

Brownian motion increases due to

Question # 12

Hotness and coldness of an object is represented in terms:

Question # 13

The state in which ice, water and vapour coexists in equilibrium is called

Question # 14

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

Question # 15

Absolute zero is considered as that temperature at which:

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ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 According to the second law, which is must to produce work
A. a source contains a large amount of heat energy
B. two sources at the same temperature
C. two sources at the different temperatures
D. a source contains a small amount of energy
2 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
3
During the whole carnot cycle
A. Thermal equilibrium is maintained
B. mechanical equilibrium is maintained
C. both the thermal and mechanical equilibriumis maintained
D. both the thermal and mechanical equilibrium is not maintained
4 Which of the following is not thermo dynamical function?
A. Enthalpy
B. Work done
C. Gibb's energy
D. Internal energy
5 The process which is carried out at constant temperature is known as
A. adiabatic process
B. isothermal process
C. isochoric process
D. none of them
6 Pressure exerted by a gas is
A. Independent of density of the gas
B. Inversely proportional to the density of the gas
C. Directly proportional to the square of the density of the gas
D. Directly proportional to the density of the gas
7 Sadi carnot described an ideal heat engine in
A. 1820
B. 1840
C. 1860
D. 1880
8 The rate of change of momentum of a molecule is equal to:
A. Pressure
B. Work
C. Density
D. Force
9 The disorder in the system increases due to the
A. removal of heat
B. addition of heat
C. removal or addition of heat
D. none of them
10 Which of the following is not an example of adiabatic process
A. the rapid escape of air from a burst type
B. the rapid expansion and compression of air through which a sound wave is passing
C. cloud formation in the atmosphere
D. none of them

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  • Arsal

    Arsal

    31 Jan 2018

    Entry test is a good thing

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