Find the Relative C.O.P. of a refrigeration system if the work input is 100 KJ/kg and refrigeration effect produced is 250 KJ/kg of refrigerant flowing. Also Theoretical C.O.P. is 3.

If a condenser and evaporator temperatures are 225 K and 100 K respectively, then reverse Carnot C.O.P is _________

If a condenser and evaporator temperatures are 312 K and X K respectively, and C.O.P. is given as 5 then find the value of X.

The C.O.P for reverse Carnot refrigerator is 6. The ratio of lowest temperature to highest temperature will be _____

In general the ratio of lowest to highest temperature with respect to C.O.P. can be denoted by _________

The C.O.P for reverse Carnot refrigerator is 2. The ratio of highest temperature to lowest temperature will be _____

The C.O.P of a reverse Carnot cycle doesn’t depend on which of the following?

If a condenser and evaporator temperatures are ‘X’ K and 100 K respectively, and reverse Carnot C.O.P is 2.5 then find out the ‘X’.

Which of the following is not the type of refrigerant?

When refrigerants take a direct part in the refrigeration system, then these types of refrigerants are called?

The refrigerants which are first cooled by _________ refrigerants and then used for cooling purposes are known as ___________ refrigerants.