Thermodynamics question and answer for competitive exams 2022 : In this article, we provided the latest Thermodynamics Question Answer. Thermodynamics question and answer are mostly asked in all competitive exams. Eg:- Union Public Service Commission (UPSC), State Public Service Commission, Staff Selection Commission (SSC), Railway Recruitment Board (RRB), etc. In this post, questions related to the Thermodynamics are asked.
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Thermodynamics question and answer pdf Download
1. Which of the following variables controls the physical properties of a perfect gas.
(A) Pressure
(B) Temperature
(C) Volume
(D) All of these
2. Which of the following laws is applicable for the behaviour of a perfect gas.
(A) Boyle’s law
(B) Charle’s law
(C) Gay – Lussac law
(D) All of these
3. The unite of temperature in S.I. units is –
(A) Centigrade
(B) Celsius
(C) Fahrenheit
(D) Kelvin
4. The units of energy in S.I. units is –
(A) Watt
(B) Joule
(C) Joule/s
(D) Joule/m
5. An Ideal gas as compared to a real gas at very high pressure occupies.
(A) More volume
(B) Less volume
(C) Same volume
(D) Unpredictable behaviour
6. The pressure of a gas in terms of its mean kinetic energy per unit volume E is equal to –
(A) E/3
(B) E/2
(C) 3E/4
(D) 2E/3
7. Superheated vapour behaves –
(A) Exactly as gas
(B) As Steam
(C) As ordinary vapour
(D) Approximately as a gas
8. Specific heat of air at constant pressure is equal to –
(A) 17
(B) 0.21
(C) 0.24
(D) 1.0
9. The ratio of two specific heats of air is equal to –
(A) 17
(B) 0.24
(C) 0.1
(D) 1.41
10. Which law states that the internal energy of a gas is a function of temperature.
(A) Charle’s law
(B) Joule’s law
(C) Regnault’s law
(D) Boyle’s law
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