ECAT Pre Engineering Physics Chapter 11 MCQ Test With Answer for Physics chapter 11 (Heat & Thermodynamics)

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ECAT Pre Engineering Physics Ch 11 Test
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Online MCQ`s Test For Chapter 11 "Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics Online Test"

Try The MCQ`s Test For Chapter 11 "Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics Online Test"

  • Total Questions30

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Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics Online Test

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Question # 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

Question # 2

The volume of universal gas constant R is:

Question # 3

The disorder in the system increases due to the

Question # 4

The efficiency of diesel engine is

Question # 5

The curve representing an adiabatic process is called

Question # 6

In thermodynamics, internal energy is the function of

Question # 7

Rate of diffusion is

Question # 8

The efficiency of petrol engine is usually not more than 25% to 30% because of

Question # 9

One mole of any substance contain

Question # 10

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

Question # 11

Gas constant per molecule is called:

Question # 12

One kilogram of different substances contain

Question # 13

The pressure of gas everywhere inside the vessel will be the same provided the gas is of

Question # 14

At constant volume temperature is increased. Then

Question # 15

Pressure may be define as _______ per second per unit area:

Question # 16

At the constant temperature, if the value of a given mass of a gas is double, then the density of gas becomes:

Question # 17

The basis to define a temperature scale that is independent of material properties is provided by

Question # 18

Sadi carnot described an ideal heat engine in

Question # 19

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

Question # 20

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 # 21

On colliding in a closed container, the gas molecules

Question # 22

Adiabatic change occurs when the gas

Question # 23

The bicycle pump provides a good example of

Question # 24

A gas which strictly obeys the gas laws under all conditions of temperature and pressure is called:

Question # 25

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

Question # 26

If the ratio of densities of two gases is 1:4, then the ratio of their rates of diffusion into one another is

Question # 27

In a heat engine, heat is supplied by the

Question # 28

When heat is added into the system then change in entropy is

Question # 29

Which of the following is a state variable

Question # 30

Carnot heat engine only used

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11th Chapter

ECAT Pre Eng. Physics Ch 11 Test

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