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MRAC
MRAC Set-1
Refrigerant and Insulation
27

Refrigerant and Insulation MCQ with Answers

27) What is the advantage of universal colour coding of refrigerant cylinders?

Easy to identify

Make good appearance

Prevent corrosion on cylinder

Provide extra strength to cylinder

Answer is:

Easy to identify

Refrigerant and Insulation MCQ with Answers

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Related Refrigerant and Insulation MCQ with Answers

28) What is the name of process that changes the used refrigerant to new product?

Recover

Recycle

Reclaim

Manufacture

Answer is:

Reclaim

29) Why HCFC 22 refrigerant is recycled?

Decrease the cost of production

Make use of the same lubricant

Reduce ODP and GWP of environment

Increase the efficiency of RAC systems

Answer is:

Reduce ODP and GWP of environment

30) How to safe guard the hands while handling glass wool?

Wearing goggles

Wearing gloves

Using mask

Using shoes

Answer is:

Wearing gloves

31) Which type of insulating material is used for making ice box to cool beverages?

Tar felt

Glass wool

Fibre glass

Thermocole

Answer is:

Thermocole

Refrigerant and Insulation MCQ with Answers

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