155) If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be

same

less

more/less depending on rating

Answer is:

Heat transfer MCQ with Answers

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156) In a refrigeration cycle, the flow of refrigerant is controlled by

compressor

condenser

evaporator

expansion valve

Answer is:

expansion valve

157) Where does the lowest temperature occur in a vapour compression cycle ?

condenser

evaporator

compressor

expansion valve

Answer is:

evaporator

158) The leaks in a refrigeration system using Freon are detected by

halide torch which on detection produces greenish flame lighting

sulphur sticks which on detection gives white smoke

using reagents

smelling

Answer is:

halide torch which on detection produces greenish flame lighting

159) Pick up the incorrect statement

lithium bromide used in vapour absorption cycle is nonvolatile

lithium bromide plant can′t operate below 0°C

a separator is used in lithium bromide plant to remove the unwanted water vapour by condensing

concentration of solution coming out of lithium bromide generator is more in comparison to that entering the generator

Answer is:

a separator is used in lithium bromide plant to remove the unwanted water vapour by condensing

Heat transfer MCQ with Answers

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155) If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be

more

Heat transfer MCQ with Answers

Related Heat transfer MCQ with Answers

156) In a refrigeration cycle, the flow of refrigerant is controlled by

expansion valve

157) Where does the lowest temperature occur in a vapour compression cycle ?

evaporator

158) The leaks in a refrigeration system using Freon are detected by

halide torch which on detection produces greenish flame lighting

159) Pick up the incorrect statement

a separator is used in lithium bromide plant to remove the unwanted water vapour by condensing

Heat transfer MCQ with Answers