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Engineering
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ME Set-3
Heat transfer
114

Heat transfer MCQ with Answers

114) The vapour compression refrigerator employs the following cycie

Rankine

Carnot

Reversed Rankine

Reversed Carnot.

Answer is:

Reversed Carnot.

Heat transfer MCQ with Answers

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115) Allowable pressure on high-pressure side or ammonia absorption system is of the order of

atmospheric pressure

slightly above atmospheric pressure

2-4 bars

5-6 bars

Answer is:

5-6 bars

116) The moisture in a refrigerant is removed by

evaporator

safety relief valve

dehumidifier

driers

Answer is:

driers

117) The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,

will be higher

will be lower

will remain unaffected

may be higher or lower depending upon the nature of non-condensable gases

Answer is:

will be higher

118) Critical pressure of a liquid is the pressure

above which liquid will remain liquid

above which liquid becomes gas

above which liquid becomes vapour

above which liquid becomes solid

Answer is:

above which liquid will remain liquid

Explanation:

The critical pressure of a liquid is the pressure above which a liquid will remain a liquid.

Heat transfer MCQ with Answers

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114) The vapour compression refrigerator employs the following cycie

Reversed Carnot.

Heat transfer MCQ with Answers

Related Heat transfer MCQ with Answers

115) Allowable pressure on high-pressure side or ammonia absorption system is of the order of

5-6 bars

116) The moisture in a refrigerant is removed by

driers

117) The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,

will be higher

118) Critical pressure of a liquid is the pressure

above which liquid will remain liquid

Heat transfer MCQ with Answers