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

First law of thermodynamics is consequence of conservation of

Question # 2

First law of thermodynamic is special case of

Question # 3

A diatomic gas molecule has

Question # 4

A real gas can be approximated to an ideal gas at

Question # 5

A heat engine is that which converts

Question # 6

In all natural processes where heat flows from one system to another, there is always a net

Question # 7

First law of thermodynamics tells us that heat energy can be converted into equivalent amount of work, but it is silent about

Question # 8

At absolute temperature, the kinetic energy of the molecules

Question # 9

Internal energy is the sum of all the forms of

Question # 10

The number of translation degress of freedom for a diatomic gas is

Question # 11

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

Question # 12

Tick the correct pair when M denotes the molecular mass and other symbols carry usual meanings:

Question # 13

In an adiabatic process the work is done at the expense of the

Question # 14

Boyle's law is applicable in

Question # 15

In the theory of dimensional analysis, heat may be properly represented by:

Question # 16

In a heat engine, heat is supplied by the

Question # 17

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

Question # 18

When two objects are rubbed together, their internal energy

Question # 19

If the formula PV = nRT, n denotes:

Question # 20

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

Question # 21

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

Question # 22

An isochoric process is one which take place at

Question # 23

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

Question # 24

The temperature of gas is produced by

Question # 25

Heat travels through vacuum by

Question # 26

The volume of given mass of a gas will be doubled at atmosphere pressure if the temperature of the gas is changed from 150°C to

Question # 27

A process is a reversible process, if the entropy of the system

Question # 28

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 # 29

Absolute temperature can be calculated by

Question # 30

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

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 If denotes the total number of molecules in cubic vessel such that m is mass of each milecule and I is length of each side of vessel, then mN/I3gives the:
A. Force
B. Density
C. Work done
D. Pressure
2 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
3 The Boltzman constant has the value
A. 1.38 x 10-23JK-1
B. 1.28 x 10-23JK-1
C. 1.38 x 10-26JK-1
D. 1.28 x 10-26JK-1
4 Triple point of water is
A. 273.16°F
B. 372.16K
C. 273.16°F
D. 273.16
5 Hotness and coldness of an object is represented in terms:
A. Heat
B. Temperature
C. Chemical energy
D. None of these
6 In an adiabatic process the work is done at the expense of the
A. energy supplied to the system
B. energy gained from the surroundings
C. internal energy
D. none of them
7 The nature of thermal radiation is similar to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of these
8 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
9 Brownian motion increases due to
A. Increase in size of Brownian particle
B. Increase in temperature of medium
C. Increase in density of medium
D. Increase in viscosity of medium
10 A real gas can be approximated to an ideal gas at
A. Low density
B. High pressure
C. High density
D. Low temperature

Test Questions

Is this page helpful?