13) The in-door unit of a split air conditioner has

Compressor and condenser

Evaporator and a blower fan

Evaporator, condenser and fan

Expansion valve, evaporator and fan

Answer is:

Evaporator and a blower fan

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

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14) Which of the following refrigerant is highly toxic and flammable?

Ammonia

Carbon dioxide

Sulphur dioxide

R-12

Answer is:

Ammonia

15) The difference between dry bulb temperature and dew point temperature, is called

Dry bulb depression

Wet bulb depression

Dew point depression

Degree of saturation

Answer is:

Dew point depression

16) A mixture of dry air and water vapour, at a condition when the air has diffused the maximum amount of water vapour into it, is called

Dry air

Moist air

Saturated air

Wet air

Answer is:

Saturated air

17) Environmental protection agencies advice against the use of CFC refrigerants because

These react with water vapour in the air and cause acid rain

These react with plants and cause greenhouse effect

These react with oxygen and cause its depletion

These react with ozone layer and causes its depletion

Answer is:

These react with ozone layer and causes its depletion

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

For more MCQ's Click Here

13) The in-door unit of a split air conditioner has

Evaporator and a blower fan

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

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

14) Which of the following refrigerant is highly toxic and flammable?

Ammonia

15) The difference between dry bulb temperature and dew point temperature, is called

Dew point depression

16) A mixture of dry air and water vapour, at a condition when the air has diffused the maximum amount of water vapour into it, is called

Saturated air

17) Environmental protection agencies advice against the use of CFC refrigerants because

These react with ozone layer and causes its depletion

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