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ME Set-3
Heat transfer
183

Heat transfer MCQ with Answers

183) Cooling water is required for following equipment in ammonia absorption plant

condenser

evaporator

absorber

condenser, absorber and separator (rectifier).

Answer is:

condenser, absorber and separator (rectifier).

Heat transfer MCQ with Answers

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Related Heat transfer MCQ with Answers

184) The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is

same

more

less

more or less depending on ambient conditions

Answer is:

less

185) The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will

increase

decrease

may increase or decrease depending on the type of refrigerant used

remain unaffected

Answer is:

increase

186) Which of the following refrigerants has lowest freezing point

Freon-12

NH3

C02

Freon-22

Answer is:

Freon-22

187) The COP of a vapour compression plant in comparison to vapour absorption plant is

more

less

same

more/less depending on size of plant

Answer is:

more

Heat transfer MCQ with Answers

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