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MRAC Set-1
Condenser, Expansion Valve and Evaporator
30

Condenser, Expansion Valve and Evaporator MCQ with Answers

30) Which type of defrosting method is used in frost free refrigerator?

Hot water defrosting

Manual defrosting

Hot gas defrosting

Electric defrosting

Answer is:

Electric defrosting

Condenser, Expansion Valve and Evaporator MCQ with Answers

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Related Condenser, Expansion Valve and Evaporator MCQ with Answers

31) Why evaporator of air conditioner has more fins per inch?

Increase the air contact

Increase the water dripping

Decrease the air circulation

Produce more ice

Answer is:

Increase the air contact

32) Why frost accumulates in window AC evaporator?

Over charge of refrigerant

Less charge of refrigerant

Capillary chocking

Air filter blocked

Answer is:

Air filter blocked

33) What is the effect of pressure drop at the inlet of the evaporator?

Flashing of liquid refrigerant

Freezing of liquid refrigerant

Freezing of liquid

Boiling of oil

Answer is:

Flashing of liquid refrigerant

34) What is the remedy for broken bimetal thermo in a frost free refrigerator?

Repair the bimetal thermo

Reuse the bimetal thermo

Replace the bimetal thermo

Readjust the bimetal thermo

Answer is:

Replace the bimetal thermo

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