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

condensation of the refrigerant vapour

evaporation of the refrigerant liquid

compression of the refrigerant vapour

metering of the refrigerant liquid

Answer is:

evaporation of the refrigerant liquid

161) Mass flow ratio of NH3 in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of

1:1

1:9

9:1

1:3

Answer is:

1:9

162) Freon group of refrigerants are

non-toxic and non-inflammable

toxic

non-inflammable and toxic

non-toxic and inflammable

Answer is:

non-toxic and non-inflammable

163) Ammonia is

non-toxic

non-inflammable

toxic and non-inflammable

highly toxic and inflammable

Answer is:

highly toxic and inflammable

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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

Related Heat transfer MCQ with Answers

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

evaporation of the refrigerant liquid

161) Mass flow ratio of NH3 in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of

1:9

162) Freon group of refrigerants are

non-toxic and non-inflammable

163) Ammonia is

highly toxic and inflammable

Heat transfer MCQ with Answers