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Study MCQ
Refrigeration and Air Conditioning Technician
REFRIGERANT AND INSULATION
Set 2
Set 2
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Q10242
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Which insulating material is poured as liquid?
A
Glass Wool
B
Cork Board
C
Wood Shave
D
Poly Urethane Foam (PUF)
Q10243
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Which international agency standardises the numbering system for identifying refrigerants?
A
ASHRAE
B
ISHRAE
C
DW142
D
ISO
Q10244
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What is the ozone depleting potential of R 134a Refrigerant?
A
0
B
1
C
2
D
3
Q10245
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What is the category of R 502 refrigerant?
A
Azeotropes
B
Halocarbon
C
Hydrocarbon
D
Organic compounds
Q10246
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Which is the green house gas?
A
Oxygen of atmospheric air
B
Chlorofluoro carbon in air
C
Helium of atmospheric air
D
Neon of atmospheric air
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