Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 5°C 15°C 20°C 10°C 5°C 15°C 20°C 10°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The higher temperature in vapour compression cycle occurs at Receiver Evaporator Compressor discharge Expansion valve Receiver Evaporator Compressor discharge Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used in small tonnage commercial machines (hermetically sealed units) is Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling, Relative humidity remains constant Specific humidity increases Wet bulb temperature increases Partial pressure of vapour remains constant Relative humidity remains constant Specific humidity increases Wet bulb temperature increases Partial pressure of vapour remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Very little work input Maximum work input Nearly same work input as for vapour compression cycle Zero work input Very little work input Maximum work input Nearly same work input as for vapour compression cycle Zero work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Presence of moisture in a refrigerant affects the working of Expansion valve Evaporator Condenser Compressor Expansion valve Evaporator Condenser Compressor ANSWER DOWNLOAD EXAMIANS APP
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