When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be

Refrigeration and Air Conditioning
When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be

Heated and dehumidified

Heated and humidified

Cooled and dehumidified

Cooled and humidified

Heated and dehumidified

Heated and humidified

Cooled and dehumidified

Cooled and humidified

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Refrigeration and Air Conditioning
In case of sensible cooling of air, the coil efficiency is given by

1 - B.P.F.

1 + B.P.F.

P.F. - 1

1/ B.P.F.

1 - B.P.F.

1 + B.P.F.

P.F. - 1

1/ B.P.F.

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Refrigeration and Air Conditioning
The cooling system used for supersonic aircrafts and rockets is

Regenerative air cooling system

Simple air cooling system

Bootstrap air cooling system

Reduced ambient air cooling system

Regenerative air cooling system

Simple air cooling system

Bootstrap air cooling system

Reduced ambient air cooling system

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Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid

Before passing through the condenser

After passing through the expansion or throttle valve

After passing through the condenser

Before entering the expansion valve

Before passing through the condenser

After passing through the expansion or throttle valve

After passing through the condenser

Before entering the expansion valve

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Refrigeration and Air Conditioning
Pick up the wrong statement. A refrigerant should have

Higher critical temperature

High boiling point

High latent heat of vaporisation

Tow specific heat of liquid

Higher critical temperature

High boiling point

High latent heat of vaporisation

Tow specific heat of liquid

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Refrigeration and Air Conditioning
The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called

Refrigerating efficiency

Coefficient of performance of refrigeration

Coefficient of performance of heat pump

Relative coefficient of performance

Refrigerating efficiency

Coefficient of performance of refrigeration

Coefficient of performance of heat pump

Relative coefficient of performance

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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be

Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by

Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is

Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid

Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have

Refrigeration and Air Conditioning The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called

Refrigeration and Air Conditioning
When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be

Refrigeration and Air Conditioning
In case of sensible cooling of air, the coil efficiency is given by

Refrigeration and Air Conditioning
The cooling system used for supersonic aircrafts and rockets is

Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid

Refrigeration and Air Conditioning
Pick up the wrong statement. A refrigerant should have

Refrigeration and Air Conditioning
The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called