In a vapour compression refrigeration system, a throttle valve is used in place of an expander because
In a vapour compression refrigeration system, a throttle valve is used in place of an expander because
The specific humidity during cooling and dehumidification
The specific humidity during cooling and dehumidification
Cooling water is required for following equipment in ammonia absorption plant
Cooling water is required for following equipment in ammonia absorption plant
The value of C.O.P in vapour compression cycle is usually
The value of C.O.P in vapour compression cycle is usually
An evaporator is also known as
An evaporator is also known as
In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature
In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature
In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor)
In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor)
The undesirable property of a refrigerant is
The undesirable property of a refrigerant is
Nusselt number (NN) is given by
Nusselt number (NN) is given by
During cooling and dehumidification, dry bulb temperature
During cooling and dehumidification, dry bulb temperature
In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively
In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively
The desirable property of a refrigerant is
The desirable property of a refrigerant is
The operating pressure for refrigerating units using R-12 as a refrigerant is
The operating pressure for refrigerating units using R-12 as a refrigerant is
The minimum temperature to which water can be cooled in a cooling tower is
The minimum temperature to which water can be cooled in a cooling tower is
Air refrigeration cycle is used in
Air refrigeration cycle is used in
During heating and dehumidification process, dry bulb temperature
During heating and dehumidification process, dry bulb temperature
In a refrigeration system, heat absorbed in comparison to heat rejected is
In a refrigeration system, heat absorbed in comparison to heat rejected is
In a refrigeration cycle, the flow of refrigerant is controlled by
In a refrigeration cycle, the flow of refrigerant is controlled by
In a domestic vapour compression refrigerator, the refrigerant commonly used is
In a domestic vapour compression refrigerator, the refrigerant commonly used is
The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is
The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is
The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.
The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.
In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be
In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be
The optimum effective temperature for human comfort is
The optimum effective temperature for human comfort is
