REFRIGERANT AND INSULATION - Practice Mode

1) Which gas is universally taken as the basic reference for GWP?
Correct Answer: CO<sub>2</sub>
2) What is the category of R 407c refrigerant?
Correct Answer: Zeotropes
3) What is the cylinder colour code of R 22 refrigerant?
Correct Answer: Green
4) Where does the ozone layer exist in atmosphere?
Correct Answer: Stratosphere
Explanation:

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5) Which is the inorganic refrigerant?
Correct Answer: R 717