Heat transfer MCQ with Answers

Heat transfer MCQ with Answers

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

Answer is:

expansion valve

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

Answer is:

evaporator

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

Answer is:

halide torch which on detection produces greenish flame lighting

159) Pick up the incorrect statement

Answer is:

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

160) The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy-diagram represents

Answer is:

evaporation of the refrigerant liquid

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