Refrigerant and Insulation MCQ with Answers

Refrigerant and Insulation MCQ with Answers

11) Which gas is universally taken as the basic reference for GWP?

Answer is:

CO₂

12) What is the category of R 407c refrigerant?

Answer is:

Zeotropes

13) What is the cylinder colour code of R 22 refrigerant?

Answer is:

Green

14) Where does the ozone layer exist in atmosphere?

Answer is:

Stratosphere

15) Which is the inorganic refrigerant?

Answer is:

R 717