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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

00:00
Question # 1

For making cooking utensils, which of the following pairs of properties is most suited?

Question # 2

One kilogram of different substances contain

Question # 3

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

Question # 4

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

Question # 5

If the distance between two charges is doubled, the force between them will become:

Question # 6

Generally a temperature scale is established by

Question # 7

Maximum density of H2O is at the temperature

Question # 8

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

Question # 9

The length of a metallic rod is 5 meter at 100°C. The coefficient of cubical expansion of the metal will be

Question # 10

When heat is removed from the system

Question # 11

Which of the following is not thermo dynamical function?

Question # 12

The earliest heat engine was

Question # 13

Hydrogen and helium of same volume V at same temperature T and same pressure P are mixed to have same volume V. The resulting pressure of the mixtures will be

Question # 14

The example of reversible process is

Question # 15

Triple point of water is

Question # 16

The pressure exerted by the gas is

Question # 17

If water in a closed bottle is taken up to the moon and opened, the water gets

Question # 18

The example of irreversible process is

Question # 19

If 42 J heat is transferred to the system and the work done by the system is 32 J then what will be the change in internal energy

Question # 20

The nature of thermal radiation is similar to:

Question # 21

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

Question # 22

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 # 23

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

Question # 24

Electromagnetic waves emitted by hot bodies are called:

Question # 25

A real gas can be approximated to an ideal gas at

Question # 26

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 # 27

Efficiency of carnot engine is independent of the

Question # 28

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

Question # 29

The internal energy of a system does not depend upon the

Question # 30

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

Submit

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


Topic Test

00:00
Submit

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

  • M
    Malik Farhan 26 - Jan - 2019 08 Min 09 Sec 80/120
  • I
    Israr Ahmed 09 - Mar - 2024 17 Min 46 Sec 60/120
  • W
    Waleed Ahmed 24 - Feb - 2023 05 Min 43 Sec 50/120
  • M
    Maliha afridi 25 - Oct - 2018 11 Min 47 Sec 50/120
  • G
    Gimi tunio 30 - Jun - 2018 26 Min 00 Sec 45/120
  • M
    Malik Farhan 23 - May - 2021 07 Min 14 Sec 35/120
  • F
    Farhan Sial 30 - Aug - 2018 09 Min 36 Sec 30/120
  • A
    Ahmed Ali Shah 07 - Nov - 2023 01 Min 01 Sec 25/120
  • K
    kamal deep 17 - Jun - 2023 02 Min 55 Sec 20/120
  • H
    hamza abid 27 - Jan - 2022 10 Min 50 Sec 20/120
  • M
    Mohsin rajput Rajput 21 - Sep - 2025 06 Min 38 Sec 9/30
  • F
    Frankie 09 - Sep - 2022 01 Min 29 Sec 0/120

ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 The absolute temperature for an ideal gas is
A. directly proportional to the rotational K.E of gas molecules
B. directly proportional to the vibrational K.E of gas molecules
C. directly proportional to the average translational K.E.of gas molecules
D. directly proportional to the P.E. of gas molecules
2 For making cooking utensils, which of the following pairs of properties is most suited?
A. Low specific heat and high conductivity
B. Low specific heat and low conductivity
C. High specific heat and high conductivity
D. High specific heat and low conductivity
3 The value of E0in coulomb's law is:
A. 9 x 109Nm2C-2
B. 8.85 x 10-12C2N-1m-2
C. 8.85 x 10-12Nm2C-2
D. 9 x 109C2N-1m-2
4 Internal energy is the sum of all the forms of
A. K.E
B. P.E
C. both of them
D. none of them
5 In the theory of dimensional analysis, heat may be properly represented by:
A. ML2T-2
B. MT-2
C. ML-1T-1
D. None of these
6 Heat required to raise the temperature of one mole of a gas through 1 K at constant pressure is called
A. heat capacity
B. specific heat capacity
C. specific heat at constant volume
D. specific heat at constant pressure
7 Triple point of water is
A. 273.16°F
B. 372.16K
C. 273.16°F
D. 273.16
8 A process is a reversible process, if the entropy of the system
A. increases
B. decreases
C. remains constant
D. none of them
9 The earliest heat engine was
A. petrol engine
B. diesel engine
C. electric engine
D. steam engine
10 When heat is removed from the system
A. negative
B. positive
C. zero
D. any one of them

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!