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MRAC Set-1
Refrigerant and Insulation
10

Refrigerant and Insulation MCQ with Answers

10) Which is the green house gas?

Oxygen of atmospheric air

Chlorofluoro carbon in air

Helium of atmospheric air

Neon of atmospheric air

Answer is:

Chlorofluoro carbon in air

Refrigerant and Insulation MCQ with Answers

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Related Refrigerant and Insulation MCQ with Answers

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

SO₂

CO₂

NH₃

AIR

Answer is:

CO₂

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

Azeotropes

Zeotropes

Inorganic

Organic

Answer is:

Zeotropes

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

White

Green

Orchid

Orange

Answer is:

Green

14) Where does the ozone layer exist in atmosphere?

Mesosphere

Stratosphere

Ionosphere

Exosphere

Answer is:

Stratosphere

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