Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning

41.
During sensible heating of air __________ decreases.
wet bulb temperature
relative humidity
dry bulb temperature
specific humidity
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
The overall coefficient of heat transfer is used in problems of
conduction
convection
radiation
conduction and convection
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
The boiling point of R-12 is about - 30°C.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.