The Mechanical engineering, is plays a important role in today's Technology that Assist you to done things with ease, so let's learn about Concept of Mcq on heat and work transfer that helps to modernize our society.
Objective questions MCQ on heat and work transfer:-
A. True
B. False
Answer:- A
2. Work transfer is a point function.
A. True
B. False
Answer:- B
3. The work transfer is zero for which of the following process.
A. Constant pressure process
B. Constant volume process
C. Adiabatic process
D. None of the above
Answer:- B
4. The work done is define as the area under the curve on a pressure versus volume diagram.
A. True
B. False
Answer:- A
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
Answer:- C
6. The heat and work transfer both are path functions
A. True
B. False
Answer:- A
7. The work done by the gas is given by mathematically,
A. dw = P dV
B. dw = F dL
C. dw = P (AdL)
D. All of the above
Answer:- D
8. In an isolated system neither the heat and work nor the mass crosses the boundary of the system.
A. True
B. False
Answer:- A
9. The free expansion process is a constant enthalpy process.
A. True
B. False
Answer:- A
10. The work done for a free expansion process is...
A. Maximum
B. Minimum
C. Zero
D. One
Answer:- C
11. The loss of heat is possible in an irreversible process.
A. True
B. False
Answer:- A
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
Answer:- A
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
Answer:- B
14. Work transfer is not a property of a system.
A. True
B. False
Answer:- A
15. Work transfer is exactly differential.
A. True
B. False
Answer:- B
16. Constant volume process is also called...
A. Isochoric
B. Isometric
C. Both A and B
D. None of the above
Answer:- C
17. For a constant volume process hit transfer is equal to internal energy of the system.
A. True
B. False
Answer:- A
18. Heat and work both are the boundary phenomena.
A. True
B. False
Answer:- A
19. At the constant volume process the work transfer is zero.
A. True
B. False
Answer:- A
20. Constant pressure process is also called as...
A. Isobaric
B. Isopiestic
C. Both A and B
D. None of the above
Answer:- C
21. Constant temperature process is also called as isothermal process.
A. True
B. False
Answer:- A
22. In an adiabatic process whatever reversible or irreversible heat transfer is...
A. Maximum
B. Minimum
C. Zero
D. Positive
Answer:- B
23. The diffusion of fluids is an irreversible process.
A. True
B. False
Answer:- A
24. Reversible process is always quasi-static but the quasi-static process need not to be reversible.
A. True
B. False
Answer:- A
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
Answer:- D
26. Pressure cooker is example of control mass or closed system.
A. True
B. False
Answer:- A
27. Gas turbine is a example of control volume or open system.
A. True
B. False
Answer:- A
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
Answer:- D
29. The heat transfer and work transfer depend on the path followed by the system.
A. True
B. False
Answer:- A
30. The third law of thermodynamics provide a datum for the measurement of the entropy.
A. True
B. False
Answer:- A
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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