REFRIGERATION DIRECT COOL - Quiz

1) 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

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

Electric torch Litmus paper Sulphur candles Electronic leak detector

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

O₂ N₂ O₃ SO₂

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

Expansion Compression Evaporation Condensation

5) 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