Under cooling in a refrigeration cycle

Refrigeration and Air Conditioning
Under cooling in a refrigeration cycle

Increases C.O.P

Other factors decide C.O.P

Decreases C.O.P

O.P remains unaltered

Increases C.O.P

Other factors decide C.O.P

Decreases C.O.P

O.P remains unaltered

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The formation of frost on cooling coils in a refrigerator

Increases heat transfer

Increases power consumption

Improves C.O.P. of the system

Reduces power consumption

Increases heat transfer

Increases power consumption

Improves C.O.P. of the system

Reduces power consumption

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The relative humidity is defined as

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

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

ANSWER DOWNLOAD EXAMIANS APP

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

Atmospheric pressure

56 bars

Slightly above atmospheric pressure

24 bars

Atmospheric pressure

56 bars

Slightly above atmospheric pressure

24 bars

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The difference between dry bulb temperature and dew point temperature, is called

Dry bulb depression

Wet bulb depression

Dew point depression

Degree of saturation

Dry bulb depression

Wet bulb depression

Dew point depression

Degree of saturation

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be

Anything

High

Small

Equal

Anything

High

Small

Equal

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning

Refrigeration and Air Conditioning Under cooling in a refrigeration cycle

Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator

Refrigeration and Air Conditioning The relative humidity is defined as

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

Refrigeration and Air Conditioning The difference between dry bulb temperature and dew point temperature, is called

Refrigeration and Air Conditioning For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be

Refrigeration and Air Conditioning
Under cooling in a refrigeration cycle

Refrigeration and Air Conditioning
The formation of frost on cooling coils in a refrigerator

Refrigeration and Air Conditioning
The relative humidity is defined as

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

Refrigeration and Air Conditioning
The difference between dry bulb temperature and dew point temperature, is called

Refrigeration and Air Conditioning
For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be