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REFRIGERANT AND INSULATION - Practice Mode
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Refrigeration and Air Conditioning Technician
REFRIGERANT AND INSULATION
Practice Mode
1) Which insulating material is poured as liquid?
Glass Wool
Cork Board
Wood Shave
Poly Urethane Foam (PUF)
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Correct Answer: Poly Urethane Foam (PUF)
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1) Which insulating material is poured as liquid?
Glass Wool
Cork Board
Wood Shave
Poly Urethane Foam (PUF)
2) Which international agency standardises the numbering system for identifying refrigerants?
ASHRAE
ISHRAE
DW142
ISO
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Correct Answer: ASHRAE
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2) Which international agency standardises the numbering system for identifying refrigerants?
ASHRAE
ISHRAE
DW142
ISO
3) What is the ozone depleting potential of R 134a Refrigerant?
0
1
2
3
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Correct Answer: 0
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3) What is the ozone depleting potential of R 134a Refrigerant?
0
1
2
3
4) What is the category of R 502 refrigerant?
Azeotropes
Halocarbon
Hydrocarbon
Organic compounds
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Correct Answer: Azeotropes
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4) What is the category of R 502 refrigerant?
Azeotropes
Halocarbon
Hydrocarbon
Organic compounds
5) Which is the green house gas?
Oxygen of atmospheric air
Chlorofluoro carbon in air
Helium of atmospheric air
Neon of atmospheric air
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Correct Answer: Chlorofluoro carbon in air
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5) Which is the green house gas?
Oxygen of atmospheric air
Chlorofluoro carbon in air
Helium of atmospheric air
Neon of atmospheric air
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