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Engineering
Mechanical
ME Set-3
Heat transfer
130

Heat transfer MCQ with Answers

130) The vapour pressure of refrigerant should be

lower than atmospheric pressure

higher than atmospheric pressure

equal to atmospheric pressure

could be anything

Answer is:

higher than atmospheric pressure

Heat transfer MCQ with Answers

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Related Heat transfer MCQ with Answers

131) For better COP of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be

small

high

euqal

anything

Answer is:

small

132) The bank of tubes at the back of domestic refrigerator are

condenser tubes

evaporator tubes

refrigerant cooling tubes

capillary tubes

Answer is:

condenser tubes

133) The higher temperature in vapour compression cycle occurs at

compressor discharge.

expansion valve

evaporator

condenser discharge

Answer is:

compressor discharge.

134) Highest temperature encountered in refrigeration cycle should be

near critical temperature of refrigerant

above critical temperature

at critica. temperature

much below critical temperature

Answer is:

much below critical temperature

Heat transfer MCQ with Answers

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