The Mechanical engineering, is plays very important trade in today's Technology that Assist you to do much things with ease, so let's learn about Concept Mcq on enthalpy in thermodynamics that would helps to standardized our society.
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| Mcq on enthalpy in thermodynamics |
Objective questions (MCQ) on enthalpy in thermodynamics.
1. Enthalpy is an extensive property.
A. True
B. False
Answer:- A
A. Pressure
B. Temperature
C. Volume
D. Internal energy
Answer:- B
3. For a constant pressure equation is true.
A. dQ = du+ pdv
B. du = dQ+ pdv
C. dQ = - du+ pdv
D. None of the above
Answer:- A
4. Change in enthalpy in a system is due to heat transfer at constant pressure.
A. True
B. False
Answer:- A
5. Enthalpy is........... Property.
A. Intensive
B. Extensive
C. Both intensive and extensive
D. None of the above
Answer:- B
6. Enthalpy change in a system is due to heat supplied at constant volume.
A. True
B. False
Answer:- B
7. Enthalpy of an ideal gas is depend on pressure.
A. True
B. False
Answer:- B
8. For an ideal gas the enthalpy and entropy are a function of only temperature.
A. True
B. False
Answer:- A
9. The SI unit of enthalpy is....
A. J/ m
B. J/ kg k
C. Kg / J
D. J/ Kg
Answer:- D
10. Enthalpy for water is non zero.
A. True
B. False
Answer:- A
11. Enthalpy for Oxygen gas is zero.
A. True
B. False
Answer:- A
12. Sum of internal energy with the product of pressure and volume is called as...
A. Entropy
B. Enthalpy
C. Internal energy
D. None of the above
Answer:- B
13. Joule per kilogram is a unit of enthalpy.
A. True
B. False
Answer:- A
14. For hydrogen gas in enthalpy is zero.
A. True
B. False
Answer:- A
15. Enthalpy having main role in heating ventilation and air conditioning (HAVC) system.
A. True
B. False
Answer:- A
16. Pv= RT, is applicable for which of the following gas.
A. Real gas
B. Ideal gas
C. Both real and ideal gas
D. None of the above
Answer:- B
17. Best day to day life example of enthalpy is a refrigerator (fridge).
A. True
B. False
Answer:- A
Here we concluding, If you have any queries about the topic of Entropy then feel free to comment below.
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