ISRO Technician-B MRAC Question Paper - 2019 (Set-1) with Answer Key

ISRO Technician-B MRAC Question Paper - 2019 (Set-1) with Answer Key

56) Temperature can be defined by

Answer is:

Zeroth law of thermodynamics

57) For same refrigeration load and same temperature limits, the mass flow requirements of Freon-12 and NH3 are in the ratio:

Answer is:

9:1

58) A pressure of 56 bar on the high pressure side of an ammonia absorption system corresponds to

Answer is:

Maximum allowable pressure

59) Absorption refrigeration system has the advantage of

Answer is:

Quite operation

60) If the evaporated temperature is increased and condenser temperature kept constant, the COP of a refrigeration cycle will

Answer is:

Increase

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