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Study MCQ
Refrigeration and Air Conditioning Technician
REFRIGERANT AND INSULATION
Set 6
Set 6
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Q10262
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How to prevent the small pieces of glass wool affecting the eyes?
A
Wearing goggles
B
Wearing gloves
C
Using mask
D
Using shoes
Q10263
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What is the advantage of universal colour coding of refrigerant cylinders?
A
Easy to identify
B
Make good appearance
C
Prevent corrosion on cylinder
D
Provide extra strength to cylinder
Q10264
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What is the name of process that changes the used refrigerant to new product?
A
Recover
B
Recycle
C
Reclaim
D
Manufacture
Q10265
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Why HCFC 22 refrigerant is recycled?
A
Decrease the cost of production
B
Make use of the same lubricant
C
Reduce ODP and GWP of environment
D
Increase the efficiency of RAC systems
Q10266
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How to safe guard the hands while handling glass wool?
A
Wearing goggles
B
Wearing gloves
C
Using mask
D
Using shoes
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