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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics

00:00
Question # 1

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 # 2

A typical four stroke petrol engine undergoes how many successive processes in each cycle

Question # 3

The internal energy of an ideal gas system is generally the

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

The disorder in the system increases due to the

Question # 8

A carnot cycle consists of

Question # 9

Pressure applied at any point of gas at rest is transmitted equally to all parts of the gas. This is the statement of:

Question # 10

When heat is removed from the system

Question # 11

At constant volume temperature is increased. Then

Question # 12

At constant temperature, if the density of the gas is increased, its pressure will:

Question # 13

The volume of universal gas constant R is:

Question # 14

During the whole carnot cycle

Question # 15

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

Question # 16

The coefficient of linear expansion of iron is 0.000011 per°K. An iron rod is 10 metre long at 27°C. The length of the rod will be decreased by 1.1 mm when the temperature of the rod changes to

Question # 17

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

Question # 18

If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:

Question # 19

The ideal gas law is

Question # 20

One mole of any substance contain

Question # 21

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

Question # 22

The temperature of gas is produced by

Question # 23

Pressure exerted by a gas is

Question # 24

In the study of thermodynamics, which gas is considered as the working substance

Question # 25

The heat required to raise the temperature of one mole of the gas through 1 K at constant volume is called

Question # 26

If the formula PV = nRT, n denotes:

Question # 27

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

Question # 28

Which quantity is important in stating the entropy of the system

Question # 29

The earliest heat engine was

Question # 30

The Boltzman constant has the value

Submit

Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics MCQ`s Test

  • D
    Deuspeu 25 - Sep - 2024 02 Min 03 Sec 115/120
  • M
    M Umer Arain 19 - Nov - 2024 00 Min 11 Sec 105/120
  • D
    Dr Shahida 01 - Nov - 2024 11 Min 12 Sec 100/120
  • N
    Nitalaya Hassan 24 - Dec - 2024 04 Min 02 Sec 95/120
  • G
    Ghulam Murtaza 12 - Sep - 2024 20 Min 35 Sec 95/120
  • A
    Akshey Lohana 27 - Aug - 2024 14 Min 26 Sec 90/120
  • U
    Umair Rajput 09 - Sep - 2024 15 Min 22 Sec 85/120
  • I
    It's me Sm 26 - Aug - 2024 04 Min 12 Sec 80/120
  • S
    Sania Ahmed 16 - Dec - 2024 04 Min 58 Sec 75/120
  • K
    Kalsoom Memon 20 - Sep - 2024 06 Min 11 Sec 75/120
  • S
    Sanjna Uttwani 21 - Sep - 2024 05 Min 22 Sec 70/120
  • S
    Sudais Khan 12 - Jul - 2024 07 Min 45 Sec 70/120
  • A
    Aakash Rind 07 - Dec - 2024 06 Min 58 Sec 65/120
  • A
    Ali imtiaz 01 - Oct - 2024 07 Min 18 Sec 65/120
  • R
    Rashida Latif 13 - Jan - 2025 07 Min 37 Sec 65/120

ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 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
2 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
A. second law thermodynamics
B. first law of thermodynamics
C. third law of thermodynamics
D. none of them
3 In all natural processes where heat flows from one system to another, there is always a net
A. decrease in entropy
B. increase in entropy
C. decrease or increase in entropy
D. none of them
4 The efficiency of carnot engine cannot be 100% or one unless cold reservoir is at
A. 100 K
B. 273 K
C. 0 K
D. -273 K
5 The bicycle pump provides a good example of
A. first law of thermodynamics
B. second law of thermodynamics
C. third law of thermodynamics
D. none of them
6 The pressure of gas everywhere inside the vessel will be the same provided the gas is of
A. Non-uniform density
B. uniform density
C. high density
D. low density
7 The heat required to raise the temperature of one mole of the gas through 1 K at constant volume is called
A. heat capacity
B. specific heat capacity
C. molar specific heat
D. molar specific heat at constant volume
8 The disorder in the system increases due to the
A. removal of heat
B. addition of heat
C. removal or addition of heat
D. none of them
9 The internal energy of a system does not depend upon the
A. initial state of the system
B. final state of the system
C. path
D. none of them
10 Pressure exerted by a gas is
A. Independent of density of the gas
B. Inversely proportional to the density of the gas
C. Directly proportional to the square of the density of the gas
D. Directly proportional to the density of the gas

Test Questions

Is this page helpful?

Share your comments & questions here

Guest
  • Bilal A Munir

    Bilal A Munir

    20 Jun 2018

    Nice

    Like
    Reply