48) The formation of frost on cooling coils in a refrigerator

Improves C.O.P of the system

Reduces power consumption

Increases power consumption

Increases heat transfer

Answer is:

Increases power consumption

Explanation:

The formation of frost on cooling coils in a refrigerator increases power consumption.

ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

For more MCQ's Click Here

49) In a refrigeration cycle, the sub-cooling _____ C.O.P

Increases

Does not change

Decreases

None of the above

Answer is:

Increases

50) Sum of three consecutive natural numbers is 27, What is the last number?

Answer is:

10

51) In a refrigeration cycle, oil separator is installed between

Condenser and expansion valve

Compressor and condenser

Condenser and evaporator

None of the above

Answer is:

Compressor and condenser

52) In a small refrigerator, a capillary tube is used to serve the purpose of

Evaporator

Thermostat

Condenser

Expansion valve

Answer is:

Expansion valve

ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

For more MCQ's Click Here

48) The formation of frost on cooling coils in a refrigerator

Increases power consumption

ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

Related ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

49) In a refrigeration cycle, the sub-cooling _____ C.O.P

Increases

50) Sum of three consecutive natural numbers is 27, What is the last number?

10

51) In a refrigeration cycle, oil separator is installed between

Compressor and condenser

52) In a small refrigerator, a capillary tube is used to serve the purpose of

Expansion valve

ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key