ECAT Pre General Science Chapter 11 online mcq test with answers for Physics chapter 11 (Heart & Thermodynamics)

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	When heat is added into the system then change in entropy is	A. negative B. positive C. zero D. any one of them
2	No spark plug is needed in	A. petrol engine B. diesel engine C. both of them D. none of them
3	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
4	R.M.S velocity of a particle is V at pressure P. If pressure increases by two times, then R.M.S velocity becomes	A. 2V B. 3V C. 0.5V D. V
5	The temperature of gas is produced by	A. At potential energy of its molecules B. The kinetic energy of its molecules C. The attractive force between its molecules D. The repulsive force between its molecules
6	Which of the following is not an assumption of kinetic energy	A. a finite volume of gas consists of very large number of molecules B. the gas molecules are in random motion C. collision between the gas molecules are inelastic D. the size of the gas molecules is much smaller than the separation between molecules
7	A real gas can be approximated to an ideal gas at	A. Low density B. High pressure C. High density D. Low temperature
8	One mole of any substance contain	A. same number of molecules B. different number of molecules C. may be same or different D. none of them
9	A gas is compressed adiabatically till its temperature is double. The ratio of its final volume to initial volume will be	A. 1/2 B. More than 1/2 C. Less than 1/2 D. Between 1 and 2
10	An isochoric process is one which take place at	A. Constant internal energy B. Constant entropy C. Constant volume D. Constant pressure

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

ECAT Pre General Science Physics Chapter 11 MCQ Test With Answer

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

ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

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

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

During the whole carnot cycle

A real gas can be approximated to an ideal gas at

The efficiency of diesel engine is

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

If the ratio of densities of two gases is 1:4, then the ratio of their rates of diffusion into one another is

Pressure exerted by a gas is

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

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

In a heat engine, heat is supplied by the

Good absorbers of heat are

If the formula PV = nRT, n denotes:

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

Carnot heat engine only used

At absolute temperature, the kinetic energy of the molecules

Which of the following is a state variable

Efficiency of carnot engine is independent of the

At constant volume temperature is increased. Then

Average KE of a gas molecule has:

A succession of events which bring the system back to its initial condition is called

Which of the following does not have the same units:

We can express the work in term of

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

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

The unit of thermodynamical scale is

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

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

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

Heat travels through vacuum by

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

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Topic Test

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

ECAT Physics Chapter 11 Important MCQ's

Test Questions

Share your comments & questions here