The evolution of heat of solution takes place in ammonia absorption plant when

Refrigeration and Air Conditioning
The evolution of heat of solution takes place in ammonia absorption plant when

Lithium bromide mixes with ammonia

Ammonia vapour is driven out of solution

Ammonia vapour goes into solution

Weak solution mixes with strong solution

Lithium bromide mixes with ammonia

Ammonia vapour is driven out of solution

Ammonia vapour goes into solution

Weak solution mixes with strong solution

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

Constant pressure cooling process

Isentropic compression process

Isentropic expansion process

Constant pressure expansion process

Constant pressure cooling process

Isentropic compression process

Isentropic expansion process

Constant pressure expansion process

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Refrigeration and Air Conditioning
Allowable pressure on high pressure side or ammonia absorption system is of the order of

Atmospheric pressure

24 bars

Slightly above atmospheric pressure

56 bars

Atmospheric pressure

24 bars

Slightly above atmospheric pressure

56 bars

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Refrigeration and Air Conditioning
A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called

Thermostatic expansion valve

High side float valve

Automatic expansion valve

Low side float valve

Thermostatic expansion valve

High side float valve

Automatic expansion valve

Low side float valve

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Refrigeration and Air Conditioning
The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will

Decrease

Increase

Remain unaffected

May increase or decrease depending on the type of refrigerant used

Decrease

Increase

Remain unaffected

May increase or decrease depending on the type of refrigerant used

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

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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when

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

Refrigeration and Air Conditioning Allowable pressure on high pressure side or ammonia absorption system is of the order of

Refrigeration and Air Conditioning A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called

Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will

Refrigeration and Air Conditioning Degree of saturation or percentage humidity is

Refrigeration and Air Conditioning
The evolution of heat of solution takes place in ammonia absorption plant when

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

Refrigeration and Air Conditioning
Allowable pressure on high pressure side or ammonia absorption system is of the order of

Refrigeration and Air Conditioning
A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called

Refrigeration and Air Conditioning
The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will

Refrigeration and Air Conditioning
Degree of saturation or percentage humidity is