ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics Online Test

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  • Chapter NameCh 11 - Heat and Thermodynamics
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ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics Online Test

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ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics Online Test

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Question # 1

10 c.c. each of oxygen and hydrogen are kept in separate flasks. Then which of the following relations is correct?

Question # 2

The disorder in the system increases due to the

Question # 3

The bicycle pump provides a good example of

Question # 4

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

Question # 5

On the compression stroke of the petrol engine, the inlet value is closed and the mixture is compressed

Question # 6

At absolute temperature, the kinetic energy of the molecules

Question # 7

Heat required to raise the temperature of one mole of a gas through 1 K at constant pressure is called

Question # 8

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

Question # 9

At constant volume temperature is increased. Then

Question # 10

Melting point of ice

Question # 11

On colliding in a closed container, the gas molecules

Question # 12

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

Question # 13

Gas constant per molecule is called:

Question # 14

The behaviour of gases is well accounted by the kinetic theory based on

Question # 15

At constant temperature, on increasing the pressure of a gas by 5%, its volume. The final temperature of the gas will be

Question # 16

Electromagnetic waves emitted by hot bodies are called:

Question # 17

Triple point of water is

Question # 18

If a process cannot be retraced in the backward direction by reversing the controlling factors, it is

Question # 19

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 # 20

While deriving the equation for pressure of a gas we consider the

Question # 21

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

Question # 22

The product of the pressure and volume of an ideal gas is

Question # 23

The volume of universal gas constant R is:

Question # 24

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

Question # 25

If denotes the total number of molecules in cubic vessel such that m is mass of each milecule and I is length of each side of vessel, then mN/I3gives the:

Question # 26

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

Question # 27

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

Question # 28

On the power stroke, a spark fires the mixtures causing a rapid increase in pressure and temperature and the burning mixture expands

Question # 29

In case of an ideal gas, the P.E associated with its molecule is

Question # 30

Absolute temperature can be calculated by

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