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MRAC Set-1
Condenser, Expansion Valve and Evaporator
28

Condenser, Expansion Valve and Evaporator MCQ with Answers

28) What is the desiccant used in dehydrator of hydrocarbon charged RAC unit?

Silica gel

Ammonia

Sulphur dioxide

Calcium chloride

Answer is:

Silica gel

Condenser, Expansion Valve and Evaporator MCQ with Answers

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Related Condenser, Expansion Valve and Evaporator MCQ with Answers

29) Which is the constant operating condition of TEV?

Super heat at suction line point

Evaporator pressure at its inlet

Enthalpy at the evaporator outlet

Entropy at the condenser outlet

Answer is:

Super heat at suction line point

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

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

Condenser, Expansion Valve and Evaporator MCQ with Answers

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