# Objective questions MCQ on heat and work transfer:-

1. Heat transfer is a path function.
A. True
B. False

2. Work transfer is a point function.
A. True
B. False

3. The work transfer is zero for which of the following process.
A. Constant pressure process
B. Constant volume process
D. None of the above

4. The work done is define as the area under the curve on a pressure versus volume diagram.
A. True
B. False

5. A closed system interact with the surrounding or the other systems in the which of the following ways
A. By work transfer
B. By heat transfer
C. Both work and heat transfer
D. None of the above

6. The heat and work transfer both are path functions
A. True
B. False

7. The work done by the gas is given by mathematically,
A. dw = P dV
B. dw = F dL
D. All of the above

8. In an isolated system neither the heat and work nor the mass crosses the boundary of the system.
A. True
B. False

9. The free expansion process is a constant enthalpy process.
A. True
B. False

10. The work done for a free expansion process is...
A. Maximum
B. Minimum
C. Zero
D. One

11. The loss of heat is possible in an irreversible process.
A. True
B. False

12. Open system is one in which both the heat and work as well as the mass of the working substance crosses the boundary of the system.
A. True
B. False

13. For which system only heat and work crosses the boundary of the system but mass of the system does not crosses the boundary.
A. Open system
B. Closed system
C. Isolated system
D. None of the above

14. Work transfer is not a property of a system.
A. True
B. False

15. Work transfer is exactly differential.
A. True
B. False

16. Constant volume process is also called...
A. Isochoric
B. Isometric
C. Both A and B
D. None of the above

17. For a constant volume process hit transfer is equal to internal energy of the system.
A. True
B. False

18. Heat and work both are the boundary phenomena.
A. True
B. False

19. At the constant volume process the work transfer is zero.
A. True
B. False

20. Constant pressure process is also called as...
A. Isobaric
B. Isopiestic
C. Both A and B
D. None of the above

21. Constant temperature process is also called as isothermal process.
A. True
B. False

22. In an adiabatic process whatever reversible or irreversible heat transfer is...
A. Maximum
B. Minimum
C. Zero
D. Positive

23. The diffusion of fluids is an irreversible process.
A. True
B. False

24. Reversible process is always quasi-static but the quasi-static process need not to be reversible.
A. True
B. False

25. In thermodynamics equilibrium the equilibrium state of a system can be...
A. Stable equilibrium
B. Unstable equilibrium
C. Metastable equilibrium
D. All of the above

26. Pressure cooker is example of control mass or closed system.
A. True
B. False

27. Gas turbine is a example of control volume or open system.
A. True
B. False

28. Heat and work are...
A. Both are path function
B. Both are inexact differential
C. Both are boundary phenomenon
D. All of the above mentioned

29. The heat transfer and work transfer depend on the path followed by the system.
A. True
B. False

30. The third law of thermodynamics provide a datum for the measurement of the entropy.
A. True
B. False

Here we concluding, If you have any queries about the Mcq on heat and work transfer then feel free to comment below.

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