In mechanical refrigeration system, the refrigerant has the maximum temperature

Refrigeration and Air Conditioning
In mechanical refrigeration system, the refrigerant has the maximum temperature

Between condenser and evaporator

In evaporator

Between compressor and condenser

Before expansion valve

Between condenser and evaporator

In evaporator

Between compressor and condenser

Before expansion valve

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Refrigeration and Air Conditioning
The relative humidity is defined as

The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure

The mass of water vapour present in 1 m3 of dry air

The mass of water vapour present in 1 kg of dry air

The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure

The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure

The mass of water vapour present in 1 m3 of dry air

The mass of water vapour present in 1 kg of dry air

The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure

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Refrigeration and Air Conditioning
One of the purposes of sub cooling the liquid refrigerant is to

Increase cooling effect

Reduce compressor discharge temperature

Ensure that only liquid and not the vapour enters the expansion (throttling) valve

Reduce compressor overheating

Increase cooling effect

Reduce compressor discharge temperature

Ensure that only liquid and not the vapour enters the expansion (throttling) valve

Reduce compressor overheating

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Refrigeration and Air Conditioning
The mass of water vapour present in __________ is called absolute humidity.

1 kg of dry air

1 m3 of water

1 kg of wet air

1 m3 of dry air

1 kg of dry air

1 m3 of water

1 kg of wet air

1 m3 of dry air

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Refrigeration and Air Conditioning
A vapour absorption refrigeration system

Gives noisy operation

Requires little power consumption

Cools below 0°C

Gives quiet operation

Gives noisy operation

Requires little power consumption

Cools below 0°C

Gives quiet operation

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Refrigeration and Air Conditioning
The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process)

(hA - h2)/ (h1 - h2)

(h2 - hA)/ (h1 - h2)

(hA - h1)/ (h2 - h1)

(h1 - h2)/ (hA - h2)

(hA - h2)/ (h1 - h2)

(h2 - hA)/ (h1 - h2)

(hA - h1)/ (h2 - h1)

(h1 - h2)/ (hA - h2)

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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning In mechanical refrigeration system, the refrigerant has the maximum temperature

Refrigeration and Air Conditioning The relative humidity is defined as

Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to

Refrigeration and Air Conditioning The mass of water vapour present in __________ is called absolute humidity.

Refrigeration and Air Conditioning A vapour absorption refrigeration system

Refrigeration and Air Conditioning The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process)

Refrigeration and Air Conditioning
In mechanical refrigeration system, the refrigerant has the maximum temperature

Refrigeration and Air Conditioning
The relative humidity is defined as

Refrigeration and Air Conditioning
One of the purposes of sub cooling the liquid refrigerant is to

Refrigeration and Air Conditioning
The mass of water vapour present in __________ is called absolute humidity.

Refrigeration and Air Conditioning
A vapour absorption refrigeration system

Refrigeration and Air Conditioning
The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process)