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

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

Remain unaffected

Increase

May increase or decrease depending on the type of refrigerant used

Decrease

Remain unaffected

Increase

May increase or decrease depending on the type of refrigerant used

Decrease

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Refrigeration and Air Conditioning
The reciprocating refrigerant compressors are very suitable for

Large displacements and low condensing pressures

Large displacements and high condensing pressures

Small displacements and low condensing pressures

Small displacements and high condensing pressures

Large displacements and low condensing pressures

Large displacements and high condensing pressures

Small displacements and low condensing pressures

Small displacements and high condensing pressures

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Refrigeration and Air Conditioning
The condition of refrigerant after passing through the condenser in a vapour compression system is

Dry saturated vapour

Superheated vapour

Saturated liquid

Wet vapour

Dry saturated vapour

Superheated vapour

Saturated liquid

Wet vapour

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Refrigeration and Air Conditioning
The emissivity of a polished silver body is ____ as compared to black body.

High

Very low

Low

Same

High

Very low

Low

Same

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Refrigeration and Air Conditioning
A refrigerant compressor is used to

Raise the pressure of the refrigerant

Raise the temperature of the refrigerant

All of these

Circulate the refrigerant through the refrigerating system

Raise the pressure of the refrigerant

Raise the temperature of the refrigerant

All of these

Circulate the refrigerant through the refrigerating system

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Refrigeration and Air Conditioning
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, is called

Absolute humidity

Humidity ratio

Relative humidity

Degree of saturation

Absolute humidity

Humidity ratio

Relative humidity

Degree of saturation

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Refrigeration and Air Conditioning

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 The reciprocating refrigerant compressors are very suitable for

Refrigeration and Air Conditioning The condition of refrigerant after passing through the condenser in a vapour compression system is

Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body.

Refrigeration and Air Conditioning A refrigerant compressor is used to

Refrigeration and Air Conditioning 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, 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
The reciprocating refrigerant compressors are very suitable for

Refrigeration and Air Conditioning
The condition of refrigerant after passing through the condenser in a vapour compression system is

Refrigeration and Air Conditioning
The emissivity of a polished silver body is ____ as compared to black body.

Refrigeration and Air Conditioning
A refrigerant compressor is used to

Refrigeration and Air Conditioning
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, is called