Thermodynamics Question Answer

Thermodynamics Question And Answer For Competitive Exams


11. Which law states that the specific heat of a gas remains constant at all temperatures and pressures?

(A)  Charle’s law

(B) Joule’s law

(C)  Regnault’s law

(D)  Boyle’s law

Ans. (C) Regnault’s law

 

12. Mixture of ice and water form a –

(A)  Closed system

(B) Open system

(C)  Isolated system

(D)  Heterogeneous system

Ans. (D) Heterogeneous system

 

13. Which of the following is not the intensive property.

(A)  Pressure

(B)  Temperature

(C)  Density

(D)  Heat

Ans. (C) Density

 

14. Heat and work are –

(A)  Point functions

(B)  System properties

(C)  Path functions

(D)  Intensive properties

Ans. (D) Intensive properties

 

15. The term stands for –

(A)  Nominal Temperature and Pressure

(B)  Natural Temperature and Pressure

(C)  Normal Temperature and Pressure

(D)  Normal Thermodynamic Pressure

Ans. (C) Normal Temperature and Pressure

 

16. One watt is equal to –

(A)  1 Nm/s

(B)  1 N/mt

(C)  1 Nm/hr

(D)  1KNm/hr

Ans. (A) 1 Nm/s

 

17. One calorie in kgm is equal to –

(A)  0.427

(B)  4.27

(C)  42.7

(D)  427

Ans. (A) 0.427

 

18. If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

(A)  Free expansion

(B)  Hyperbolic expansion

(C)  Adiabatic expansion

(D)  Throttling

Ans. (D) Throttling

 

19. The specific heat of air increases with increase in

(A)  Temperature

(B) Pressure

(C) Air flow

(D) Entropy

Ans. (A) Temperature

 

20. Which of the following property remains constant during throttling process.

(A)  Internal energy

(B) Pressure

(C) Entropy

(D) Enthalpy

Ans. (D) Enthalpy

 


 

Page No. 1 2 3 4

 

 


Thermodynamics online test / Strength of Material quiz

You can do Thermodynamics practice, Thermodynamics learning here, it helps in preparation so you may evaluate your skill by giving an online test etc.

Thermodynamics pdf download

You can download here Thermodynamics test pdf, Strength of Material formula pdf.


 

If you like the Article, Please share this with your friend

Leave a Comment