REFRIGERANT AND INSULATION - Quiz

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

SO₂ CO₂ NH₃ AIR

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

Azeotropes Zeotropes Inorganic Organic

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

White Green Orchid Orange

4) Where does the ozone layer exist in atmosphere?

Mesosphere Stratosphere Ionosphere Exosphere

5) Which is the inorganic refrigerant?

R 170 R 500 R 630 R 717