Find the C.O.P. of a refrigeration system if the work input is 30 KJ/ – McqOptions

MCQOPTIONS

1.	Find the C.O.P. of a refrigeration system if the work input is 30 KJ/kg and refrigeration effect produced is 120 KJ/kg of refrigerant flowing.
A.	3
B.	4.00
C.	0.75
D.	0.25
Answer» C. 0.75

Discussion

No Comment Found

Related MCQs

If a condenser and evaporator temperatures are 250 K and 100 K respectively, then reverse Carnot C.O.P is _________
The C.O.P for reverse Carnot refrigerator is 2. The ratio of lowest temperature to highest temperature will be _____
If a condenser and evaporator temperatures are 312 K and 273 K respectively, then reverse Carnot C.O.P is _________
The C.O.P. of reverse Carnot cycle is most strongly dependent on which of the following?
If a condenser and evaporator temperatures are 120 K and 60 K respectively, then reverse Carnot C.O.P is _________
The reverse Carnot cycle C.O.P. can be expressed as _________ (Where t1 is the lower temperature and t2 is the higher temperature).
In a refrigerating machine, if the lower temperature is fixed, then the C.O.P. of machine can be increased by?
The Co-efficient of Performance is always __________
Which equation represents efficiency in general?
Find the C.O.P. of a refrigeration system if the work input is 30 KJ/kg and refrigeration effect produced is 120 KJ/kg of refrigerant flowing.