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
A

Abdullah Qaisar 10 - Jun - 2026 07 Min 15 Sec 76/120
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
T

Tayyba Khalid 10 - May - 2026 05 Min 41 Sec 68/120
A

Aakash Rind 07 - Dec - 2024 06 Min 58 Sec 65/120
A

Ali imtiaz 01 - Oct - 2024 07 Min 18 Sec 65/120

ECAT Physics Chapter 11 Important MCQ's

Sr.#	Question	Answer
1	On colliding in a closed container, the gas molecules	A. Transfer momentum to the walls B. Momentum becomes zero C. Move in opposite directions D. Perform Brownian motion
2	Hotness and coldness of an object is represented in terms:	A. Heat B. Temperature C. Chemical energy D. None of these
3	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
4	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
5	The product of the pressure and volume of an ideal gas is	A. A constant B. Approximately equal to the universal gas constant C. Directly proportional to its temperature D. Inversely proportional to its temperature
6	An amount of water of mass 20 g at 0°C is mixed with 40 g of water at 10°C. Final temperature of mixture is	A. -20°C B. 6.67°C C. 5°C D. 0°C
7	Specific heat at constant pressure is greater than the specific heat at constant volume because	A. Heat is used up to increase temperature at constant pressure B. Heat is used by gas for expansions purposes at constant pressure C. Heat is use dup to increase internal energy D. The above statement is invalid
8	A diatomic gas molecule has	A. translational energy B. rotaional energy C. vibrational energy D. all of them
9	The pressure of gas everywhere inside the vessel will be the same provided the gas is of	A. Non-uniform density B. uniform density C. high density D. low density
10	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

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

Brownian motion increases due to

Rice takes longest to cook

An amount of water of mass 20 g at 0°C is mixed with 40 g of water at 10°C. Final temperature of mixture is

The pressure exerted by the gas is

Two metal rods A and B have their initial lengths in the ratio 2 : 3 and coefficients of linear expansion in the ratio 4 : 3. When they are heated through same temperature difference the ratio of their linear expansion is

The efficiency of diesel engine is

A carnot cycle consists of

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

Absolute temperature can be calculated by

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

At absolute temperature, the kinetic energy of the molecules

First law of thermodynamics is consequence of conservation of

Heat travels through vacuum by

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

At constant volume temperature is increased. Then

Heat required to raise the temperature of one mole of a gas through 1 K at constant pressure is called

The percentage of available heat energy converted into work by a diesel engine is roughly

Rate of diffusion is

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

The kinetic energy of one molecule of a gas at normal temperature and pressure will be (k = 8.31 J/mole K) :

The nature of thermal radiation is similar to:

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

One mole of any substance contain

The temperature scale approved in SI units is:

Energy gas behaves like an ideal gast at

An irreversible heat flow from a hot to cold substances of a system, causes the disorder to

The percentage of available heat energy converted into work by a petrol engine is roughly

Internal energy is the sum of all the forms of

The motion of molecules in gases is:

Melting point of ice

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

Share your comments & questions here

Bilal A Munir

If R is gas constant for 1 gram mole, C_pand C_vare specific heat for a solid then