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MRAC
MRAC Set-1
Refrigeration Direct Cool
21

Refrigeration Direct Cool MCQ with Answers

21) Which two terminals read the highest resistance while testing refrigerator compressor motor?

Start and run

Common and run

Start and common

Start and compressor body

Answer is:

Start and run

Refrigeration Direct Cool MCQ with Answers

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Related Refrigeration Direct Cool MCQ with Answers

22) Which method is used to check the leakage of hydro fluoro carbon refrigerants?

Electric torch

Litmus paper

Sulphur candles

Electronic leak detector

Answer is:

Electronic leak detector

23) Which gas is used for pressurising and testing leakage of RAC system?

O₂

N₂

O₃

SO₂

Answer is:

N₂

24) Which process absorbs heat from the cabinet in refrigerator?

Expansion

Compression

Evaporation

Condensation

Answer is:

Evaporation

25) What is ensured before removing a leaky evaporator in a refrigerator?

Recharge refrigerant to the system

Check the drain tray of evaporator

Removal of the thermostat sensor

Pressurize the system with refrigerant

Answer is:

Removal of the thermostat sensor

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