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REFRIGERANT AND INSULATION - Practice Mode
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Refrigeration and Air Conditioning Technician
REFRIGERANT AND INSULATION
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1) Which gas is universally taken as the basic reference for GWP?
SO<sub>2</sub>
CO<sub>2</sub>
NH<sub>3</sub>
AIR
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Correct Answer: CO<sub>2</sub>
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1) Which gas is universally taken as the basic reference for GWP?
SO<sub>2</sub>
CO<sub>2</sub>
NH<sub>3</sub>
AIR
2) What is the category of R 407c refrigerant?
Azeotropes
Zeotropes
Inorganic
Organic
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Correct Answer: Zeotropes
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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
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Correct Answer: Green
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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
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Correct Answer: Stratosphere
Explanation:
.
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4) Where does the ozone layer exist in atmosphere?
Mesosphere
Stratosphere
Ionosphere
Exosphere
Explanation:
.
5) Which is the inorganic refrigerant?
R 170
R 500
R 630
R 717
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Correct Answer: R 717
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5) Which is the inorganic refrigerant?
R 170
R 500
R 630
R 717
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