ECAT Pre Engineering Physics Chapter 11 MCQ Test With Answer

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 thermodynamics, internal energy is the function of	A. temperature B. pressure C. state D. none of them
2	According to kinetic theory of gases, molecules of a gas behave like	A. Inelastic spheres B. Perfectly elastic rigid sphere C. Perfectly elastic non-rigid spheres D. Inelastic non-rigid spheres
3	The concept of entropy was introduced into the study of thermodynamics in	A. 1856 B. 1865 C. 1656 D. 1685
4	If water in a closed bottle is taken up to the moon and opened, the water gets	A. Freeze B. Boiled C. Dissociated into O₂and H₂ D. Evaporated
5	Which quantity is important in stating the entropy of the system	A. initial entropy B. final entropy C. change in entropy D. none of them
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	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	A. 300°C B. 573°C C. 600°C D. 743°C
8	If N is the total number of molecules and V is the volume of the container, then the expression for the pressure of gas is	A. P=P/V<1/2mv²> B. P=2N/V<1/2mv²> C. P=2/3N/V<1/2mv²> D. P=2/3N/V<mv²>
9	A process which can be retraced in exactly reverse order, without producing any change in the surroundings is called	A. reversible process B. irreversible process C. any one of them D. none of them
10	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

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 Engineering Physics Chapter 11 MCQ Test With Answer

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

Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics

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

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

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

The disorder in the system increases due to the

Brownian motion increases due to

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

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

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

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

In an ideal gas, the molecules have:

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

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

Carnot heat engine only used

The Boltzman constant has the value

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

The temperature of gas is produced by

While deriving equation of pressure by kinetic theory of gases, we take into account:

Real gases strictly obey gas law at:

If the formula PV = nRT, n denotes:

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

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

Pressure exerted by a gas is

If N is the total number of molecules and V is the volume of the container, then the expression for the pressure of gas is

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

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

During the whole carnot cycle

Rate of diffusion is

While deriving the equation for pressure of a gas we consider the

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

Electromagnetic waves emitted by hot bodies are called:

Prepare Complete Set Wise Physics ECAT Pre Engineering 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 Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics MCQ`s Test

ECAT Physics Chapter 11 Important MCQ's

Test Questions

Is this page helpful?

Share your comments & questions here

Bilal A Munir