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# Ideal Gas - Thermodynamics MCQ Questions

Ideal Gas MCQs : Here you will find MCQ Questions related to "Ideal Gas" in Thermodynamics. These Ideal Gas MCQ Questions Will help you to improve your Thermodynamics knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations

Question 1

How many basic classes of ideal gas?

A. 2
B. 3
C. 4
D. 5

Question 2

One mole of an ideal gas has a capacity of?

A. 19.710947(13) litres
B. 20.710947(13) litres
C. 21.710947(13) litres
D. 22.710947(13) litres

Question 3

The classical ideal gas can be separated into _________ types?

A. 2
B. 3
C. 4
D. 5

Question 4

In pV=nRT, R stands for?

A. solid constant
B. liquid constant
C. gas constant
D. absolute temperature

Question 5

Which of the following is true for a polytropic process?

A. p(v^n) is used to describe the process
C. it can be reversible
D. All of the above

Question 6

For real gases,

A. specific heats vary appreciably with temperature
B. specific heats vary little with pressure
C. both of the mentioned
D. None of the above

Question 7

An auto-mobile tire has air at −10°C and 190 kPa. After sometime, the temperature gets up to 10°C. Find the new pressure.

A. 224.4 kPa
B. 204.4 kPa
C. 200.4 kPa
D. 210.4 kPa

Question 8

The molecules of the gas are indistinguishable, small, hard spheres.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

Question 9

At constant temperature, (u being the internal energy)

A. u change when v or p changes
B. u does not change when v or p changes
C. u does not change when t changes
D. u always remains constant