The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is

Refrigeration and Air Conditioning
The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is

1.86 kW

7.44 kW

3.72 kW

18.6 kW

1.86 kW

7.44 kW

3.72 kW

18.6 kW

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Refrigeration and Air Conditioning
During humidification process, __________ increases.

Specific humidity

Wet bulb temperature

Dry bulb temperature

Relative humidity

Specific humidity

Wet bulb temperature

Dry bulb temperature

Relative humidity

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Refrigeration and Air Conditioning
A vapour absorption refrigerator uses _________ as a refrigerant.

Ammonia

Aqua-ammonia

Water

Freon

Ammonia

Aqua-ammonia

Water

Freon

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Refrigeration and Air Conditioning
The conditioned air supplied to the room must have the capacity to take up

Room latent heat load only

None of the listed here

Both room sensible heat and latent heat loads

Room sensible heat load only

Room latent heat load only

None of the listed here

Both room sensible heat and latent heat loads

Room sensible heat load only

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Refrigeration and Air Conditioning
A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is

Ammonia

Brine

Carbon dioxide

Freon

Ammonia

Brine

Carbon dioxide

Freon

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Refrigeration and Air Conditioning
In a bootstrap air evaporative cooling system, the evaporator is provided

Between the first heat exchanger and the secondary compressor

Between the combustion chamber and the first heat exchanger

Between the second heat exchanger and the cooling turbine

Between the secondary compressor and the second heat exchanger

Between the first heat exchanger and the secondary compressor

Between the combustion chamber and the first heat exchanger

Between the second heat exchanger and the cooling turbine

Between the secondary compressor and the second heat exchanger

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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning During humidification process, __________ increases.

Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant.

Refrigeration and Air Conditioning The conditioned air supplied to the room must have the capacity to take up

Refrigeration and Air Conditioning A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is

Refrigeration and Air Conditioning In a bootstrap air evaporative cooling system, the evaporator is provided

Refrigeration and Air Conditioning
During humidification process, __________ increases.

Refrigeration and Air Conditioning
A vapour absorption refrigerator uses _________ as a refrigerant.

Refrigeration and Air Conditioning
The conditioned air supplied to the room must have the capacity to take up

Refrigeration and Air Conditioning
A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is

Refrigeration and Air Conditioning
In a bootstrap air evaporative cooling system, the evaporator is provided