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

The heat required to raise the temperature of one mole of the substance through 1 K is called

Question # 2

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

Question # 3

For the working of a heat engine, there must be

Question # 4

Brownian motion increases due to

Question # 5

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 # 6

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

Question # 7

A gas which strictly obeys the gas laws under all conditions of temperature and pressure is called:

Question # 8

Which of the following is not an assumption of kinetic energy

Question # 9

The product of the pressure and volume of an ideal gas is

Question # 10

10 c.c. each of oxygen and hydrogen are kept in separate flasks. Then which of the following relations is correct?

Question # 11

If a liquid is heated in weightlessness, the heat is transmitted through

Question # 12

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

Question # 13

The pressure exerted by the gas is

Question # 14

In which process the condition for the application of Boyle's law on the gas is fulfilled

Question # 15

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

Question # 16

An isochoric process is one which take place at

Question # 17

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

Question # 18

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

Question # 19

If the volume of the gas is to be increased by 4 times, then

Question # 20

Hotness and coldness of an object is represented in terms:

Question # 21

Efficiency of carnot engine is independent of the

Question # 22

Generally a temperature scale is established by using certain physical properties of a material which varies

Question # 23

During the whole carnot cycle

Question # 24

The second law of thermodynamics is concerned with the circumstances in which

Question # 25

Gas constant per molecule is called:

Question # 26

If an amount of heat enters the system it could

Question # 27

If R is gas constant for 1 gram mole, Cpand Cvare specific heat for a solid then

Question # 28

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

Question # 29

First law of thermodynamic is special case of

Question # 30

The process which is carried out at constant temperature is known as

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 Since the absolute scale is independent of the property of the working substance, hence, can be applied at
A. very high temperature
B. very low temperature
C. any one of them
D. none of them
2 The absolute temperature of the tripple point of water is
A. 100°C
B. 4°C
C. 373 K
D. 273.16 K
3 At absolute temperature, the kinetic energy of the molecules
A. Becomes zero
B. Becomes maximum
C. Becomes minimum
D. Remain constant
4 Absolute zero is considered as that temperature at which:
A. All liquid become gases
B. All gases become liquid
C. Water freezes
D. None of these
5 Which of the following is not an example of adiabatic process
A. the rapid escape of air from a burst type
B. the rapid expansion and compression of air through which a sound wave is passing
C. cloud formation in the atmosphere
D. none of them
6 First law of thermodynamics tells us that heat energy can be converted into equivalent amount of work, but it is silent about
A. how heat is absorbed
B. how heat extracted
C. how this conversion takes place
D. none of them
7 If the volume of the gas is to be increased by 4 times, then
A. Temperature and pressure must be doubled
B. At constant P the temperature must be increased by 4 times
C. At constant T the pressure must be increased by four times
D. It cannot be increased
8 We can express the work in term of
A. directly measurable variables
B. indirectly measurable variables
C. either of them
D. both of them
9 An isochoric process is one which take place at
A. Constant internal energy
B. Constant entropy
C. Constant volume
D. Constant pressure
10 A typical four stroke petrol engine undergoes how many successive processes in each cycle
A. one
B. two
C. three
D. four

Test Questions

Is this page helpful?