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Engineering
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ME Set-3
Heat transfer
123

Heat transfer MCQ with Answers

123) The domestic refrigerator uses following type of compressor

centrifugal

axial

miniature sealed unit

piston type reciprocating

Answer is:

piston type reciprocating

Heat transfer MCQ with Answers

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Related Heat transfer MCQ with Answers

124) Presence of moisture in a refrigerant affects the working of

compressor

condenser

evaparator

expansion valve.

Answer is:

expansion valve.

125) Refrigeration in aeroplanes usually employs the following refrigerant

Co₂

Freon-11

Freon-22

Air

Answer is:

Air

126) Domestic refrigerator working on vapour compression cycle uses the following type of expansion device

electrically operated throttling valve

manually operated valve

thermostatic valve

capillary tube

Answer is:

capillary tube

127) Air refrigeration operates on

Carnot cycle

Reversed Carnot cycle

Rankine cycle

Brayton cycle.

Answer is:

Brayton cycle.

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