Refrigerant and Insulation MCQ with Answers

Refrigerant and Insulation MCQ with Answers

1) Which property is desirable for an ideal refrigerant?

Answer is:

High latent heat value

Explanation:

.

2) What is the category of R 290 refrigerant?

Answer is:

Hydrocarbons

3) What type of heat is absorbed by primary refrigerant?

Answer is:

Latent heat

4) How much is the maximum capacity of refrigerant to be filled in a returnable service cylinder?

Answer is:

Up to 80%

5) What is the desirable property of POE lubricant?

Answer is:

Miscible with HFCs