ECAT Pre General Science Physics Chapter 11 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

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ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

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Question # 1

Since the absolute scale is independent of the property of the working substance, hence, can be applied at

Question # 2

If the formula PV = nRT, n denotes:

Question # 3

A reversible cycle is the one in which

Question # 4

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

Question # 5

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

Question # 6

The curve representing an isothermal process is called

Question # 7

A heat engine is that which converts

Question # 8

Boyle's law is applicable in

Question # 9

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

Question # 10

The highest efficiency of a heat engine whose low temperature is 17°C and the high temperature is 200°C is

Question # 11

The pressure exerted by the gas is

Question # 12

The work done by the system on its environment is considered as

Question # 13

First law of thermodynamics is consequence of conservation of

Question # 14

Which of the following is not thermo dynamical function?

Question # 15

The internal energy of an ideal gas system is generally the

Question # 16

Which quantity is important in stating the entropy of the system

Question # 17

The example of irreversible process is

Question # 18

Which of the following is not an assumption of kinetic energy

Question # 19

In a heat engine, heat is supplied by the

Question # 20

While deriving equation of pressure by kinetic theory of gases, we take into account:

Question # 21

Real gases strictly obey gas law at:

Question # 22

One mole of any substance contain

Question # 23

The absolute temperature for an ideal gas is

Question # 24

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

Question # 25

Which of the following is a state variable

Question # 26

Which of the following is not an example of adiabatic process

Question # 27

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

Question # 28

At O° K which of the following properties of a gas will be zero?

Question # 29

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

Question # 30

Generally a temperature scale is established by

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