In a reversed Brayton cycle, the heat is absorbed by the air during

Refrigeration and Air Conditioning
In a reversed Brayton cycle, the heat is absorbed by the air during

Constant pressure expansion process

Isentropic compression process

Isentropic expansion process

Constant pressure cooling process

Constant pressure expansion process

Isentropic compression process

Isentropic expansion process

Constant pressure cooling process

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Refrigeration and Air Conditioning
In a refrigeration system, the expansion device is connected between the

Evaporator and compressor

Compressor and condenser

Receiver and evaporator

Condenser and receiver

Evaporator and compressor

Compressor and condenser

Receiver and evaporator

Condenser and receiver

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Refrigeration and Air Conditioning
The freezing point of sulphur dioxide is

-56.6°C

-75.2°C

-135.8°C

-77.7°C

-56.6°C

-75.2°C

-135.8°C

-77.7°C

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Refrigeration and Air Conditioning
The coefficient of performance of Heat Pump is always ___ one.

Less than

Greater than

Equal to

None of the listed here

Less than

Greater than

Equal to

None of the listed here

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Refrigeration and Air Conditioning
The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and

R-12

Carbon dioxide

Sulphur dioxide

Lithium bromide

R-12

Carbon dioxide

Sulphur dioxide

Lithium bromide

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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 kg of dry air

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 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 kg of dry air

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

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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during

Refrigeration and Air Conditioning In a refrigeration system, the expansion device is connected between the

Refrigeration and Air Conditioning The freezing point of sulphur dioxide is

Refrigeration and Air Conditioning The coefficient of performance of Heat Pump is always ___ one.

Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and

Refrigeration and Air Conditioning The relative humidity is defined as

Refrigeration and Air Conditioning
In a reversed Brayton cycle, the heat is absorbed by the air during

Refrigeration and Air Conditioning
In a refrigeration system, the expansion device is connected between the

Refrigeration and Air Conditioning
The freezing point of sulphur dioxide is

Refrigeration and Air Conditioning
The coefficient of performance of Heat Pump is always ___ one.

Refrigeration and Air Conditioning
The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and

Refrigeration and Air Conditioning
The relative humidity is defined as