34) In India, the agency that conducts the testing and certify the energy efficiency of electrical appliances including air conditioners is

Bureau of Indian Standards (BIS)

Indian Standards Institute (ISI)

Bureau of Energy Efficiency (BEE)

Electricity Regulatory Authority of India

Answer is:

Bureau of Energy Efficiency (BEE)

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

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35) Isobutane (R-600a) and propane (R-290) are preferred over halogenated refrigerants because of

Low cost, high energy efficiency

Low flammability and lower attainable temperatures

Low ozone depleting potential

Options (a) and ( c)are correct, but not (b)

Answer is:

Options (a) and ( c)are correct, but not (b)

36) The use of accumulator in refrigerator is

To collect condensate gases from compressor

For storing refrigerants from the compressor

Exchange of heat

Storing liquid refrigerant after evaporation

Answer is:

Storing liquid refrigerant after evaporation

37) During winter season the processes involved in air conditioning are

Heating and dehumidification

Cooling and dehumidification

Heating and humidification

Humidification only

Answer is:

Heating and humidification

38) An auto defrost refrigerator has the following specialty

A Thermostat is attached to the evaporator coil

A fan blows air over the evaporator coils

A heating element is wound over the evaporator coils

No evaporator coil is used

Answer is:

A fan blows air over the evaporator coils

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

For more MCQ's Click Here

34) In India, the agency that conducts the testing and certify the energy efficiency of electrical appliances including air conditioners is

Bureau of Energy Efficiency (BEE)

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

35) Isobutane (R-600a) and propane (R-290) are preferred over halogenated refrigerants because of

Options (a) and ( c)are correct, but not (b)

36) The use of accumulator in refrigerator is

Storing liquid refrigerant after evaporation

37) During winter season the processes involved in air conditioning are

Heating and humidification

38) An auto defrost refrigerator has the following specialty

A fan blows air over the evaporator coils

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