47) In mechanical refrigeration system, the refrigerant occurs as liquid between condenser and expansion valve.
Answer is:
Right
Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers
Answer is:
4 kW
Explanation:
(COP)h + (COP)r = 1
therefore,
(COP)r = 4 (COP)r = R.E / Win
R .E = (COP)r * Win = 4 kW
Answer is:
all of these
Explanation:
A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be
* lack of cooling water
* water temperature being high
* dirty condenser surface