ECAT Pre Engineering Physics Chapter 11 MCQ Test With Answer

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

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

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Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics

00:00
Question # 1

Which of the following is a state variable

Question # 2

The Boltzman constant has the value

Question # 3

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

Question # 4

The ideal gas law is

Question # 5

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

Question # 6

Pressure of a gas at constant volume is proportion to

Question # 7

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

Question # 8

On the exaust stroke, the outlet values opens. The residual gases are expelled and piston moves

Question # 9

When two objects are rubbed together, their internal energy

Question # 10

No spark plug is needed in

Question # 11

Adiabatic change occurs when the gas

Question # 12

In an adiabatic expansion, the temperature of the gas

Question # 13

The kinetic energy of one molecule of a gas at normal temperature and pressure will be (k = 8.31 J/mole K) :

Question # 14

Hotness and coldness of an object is represented in terms:

Question # 15

We cannot utilize the heat contents of oceans and atmosphere because

Question # 16

The pressure exerted by the gas is

Question # 17

At constant volume temperature is increased. Then

Question # 18

The concept of entropy was introduced into the study of thermodynamics in

Question # 19

Truth of kinetic energy is confirmed by:

Question # 20

A reversible cycle is the one in which

Question # 21

It is impossible to devise a processes which may convert heat, extracted from a single reservoir, entirely into work without leaving any change in the working system. This is the statement of

Question # 22

If a system undergoes a natural process it will go in the direction that causes the entropy of the system plus the environment to increase, this is another statement of

Question # 23

The bicycle pump provides a good example of

Question # 24

We can express the work in term of

Question # 25

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

Question # 26

Good absorbers of heat are

Question # 27

Specific heat at constant pressure is greater than the specific heat at constant volume because

Question # 28

In the formula P = N0KT, N0denotes:

Question # 29

A process in which no heat enters or leaves the system is called

Question # 30

The nature of thermal radiation is similar to:

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ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 At constant volume temperature is increased. Then
A. Collision on walls will be less
B. Number of collisions per unit time will increase
C. Collision will be in straight lines
D. Collision will not change
2 The work done on the system by the environment is considered as
A. positive
B. negative
C. zero
D. any one of them
3 The second law of thermodynamics is concerned with the circumstances in which
A. heat can be converted into work
B. direction of flow of heat
C. none of them
D. both of them
4 Which quantity is important in stating the entropy of the system
A. initial entropy
B. final entropy
C. change in entropy
D. none of them
5 Maximum density of H2O is at the temperature
A. 32°F
B. 39.2°F
C. 42°F
D. 4°F
6 A process which can be retraced in exactly reverse order, without producing any change in the surroundings is called
A. reversible process
B. irreversible process
C. any one of them
D. none of them
7 In the formula P = N0KT, N0denotes:
A. Number of molecules per unit per volume
B. Number of moles
C. Number of molecules
D. None of these
8 An isochoric process is one which take place at
A. Constant internal energy
B. Constant entropy
C. Constant volume
D. Constant pressure
9 The work done by the system on its environment is considered as
A. positive
B. negative
C. zero
D. any one of them
10 Gas constant per molecule is called:
A. Universal gas constant
B. Stefen's constant
C. Boltzmann constant
D. Gravitation constant

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  • Bilal A Munir

    Bilal A Munir

    20 Jun 2018

    Nice

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