ECAT Pre General Science Physics Chapter 11 MCQ Test With Answer for Physics chapter 11 (Heart & Thermodynamics)

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ECAT General Science Physics Ch. 11 Test
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Online MCQ`s Test For Chapter 11 "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

00:00
Question # 1

At what temperature the adiabatic change is equivalent to the isothermal change?

Question # 2

The internal energy of an ideal gas system is generally the

Question # 3

Real gases strictly obey gas law at:

Question # 4

An irreversible heat flow from a hot to cold substances of a system, causes the disorder to

Question # 5

On a cold morning a metal surface will fell colder to touch than a wooden surface, because

Question # 6

Which of the following does not have the same units:

Question # 7

The only significant motion possessed by the mono-atomic gas represented is:

Question # 8

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

Question # 9

For the working of a heat engine, there must be

Question # 10

The disorder in the system increases due to the

Question # 11

The example of reversible process is

Question # 12

The heat required to raise the temperature of one mole of the substance through 1 K is called

Question # 13

According to kinetic theory of gases, molecules of a gas behave like

Question # 14

Which quantity is important in stating the entropy of the system

Question # 15

Absolute temperature can be calculated by

Question # 16

In thermodynamics, internal energy is the function of

Question # 17

The efficiency of diesel engine is

Question # 18

Pressure exerted by a gas is

Question # 19

In the formula P = N0KT, N0denotes:

Question # 20

Melting point of ice

Question # 21

A carnot cycle consists of

Question # 22

When two objects come to common temperature, the body is said to be in:

Question # 23

What temperature is the same on Celsius scale as well as on Fahrenheit scale?

Question # 24

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

Question # 25

The temperature of gas is produced by

Question # 26

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 # 27

Rate of diffusion is

Question # 28

Gas constant per molecule is called:

Question # 29

When heat is removed from the system

Question # 30

In an adiabatic expansion, the temperature of the gas

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ECAT Pre General Science Physics Chapter 11 Test

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