The wet bulb temperature at 100% relative humidity is ________ dew point temperature.

Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is ________ dew point temperature.

Lower than

Same as

None of these

Higher than

Lower than

Same as

None of these

Higher than

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Refrigeration and Air Conditioning
Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since

These react with ozone layer

These react with oxygen and cause its depletion

These react with water vapour and cause acid rain

These react with plants and cause greenhouse effect

These react with ozone layer

These react with oxygen and cause its depletion

These react with water vapour and cause acid rain

These react with plants and cause greenhouse effect

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Refrigeration and Air Conditioning
A refrigerant with the highest critical pressure is

R-22

Ammonia

R-11

R-12

R-22

Ammonia

R-11

R-12

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Refrigeration and Air Conditioning
Degree of saturation or percentage humidity is

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 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 mass of water vapour present in 1 kg of dry air

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 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 mass of water vapour present in 1 kg of dry air

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Refrigeration and Air Conditioning
A refrigeration system

None of the listed here

Removes heat from a low temperature body and delivers it to a high temperature body

Rejects energy to a low temperature body

Removes heat from a high temperature body and delivers it to a low temperature body

None of the listed here

Removes heat from a low temperature body and delivers it to a high temperature body

Rejects energy to a low temperature body

Removes heat from a high temperature body and delivers it to a low temperature body

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Refrigeration and Air Conditioning
A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be

4 kW

1 kW

3 kW

2 kW

4 kW

1 kW

3 kW

2 kW

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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is ________ dew point temperature.

Refrigeration and Air Conditioning Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since

Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is

Refrigeration and Air Conditioning Degree of saturation or percentage humidity is

Refrigeration and Air Conditioning A refrigeration system

Refrigeration and Air Conditioning A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be

Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is ________ dew point temperature.

Refrigeration and Air Conditioning
Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since

Refrigeration and Air Conditioning
A refrigerant with the highest critical pressure is

Refrigeration and Air Conditioning
Degree of saturation or percentage humidity is

Refrigeration and Air Conditioning
A refrigeration system

Refrigeration and Air Conditioning
A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be