Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since It has low operating pressures It gives higher coefficient of performance It is miscible with oil over large range of temperatures All of these It has low operating pressures It gives higher coefficient of performance It is miscible with oil over large range of temperatures All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the outlet of a refrigerant compressor is called Suction pressure Discharge pressure Back pressure Critical pressure Suction pressure Discharge pressure Back pressure Critical pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 0.2 5 1.2 6 0.2 5 1.2 6 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Carbon dioxide R-12 Lithium bromide Sulphur dioxide Carbon dioxide R-12 Lithium bromide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice In 24 hours In 1 minute In 12 hours In 1 hour In 24 hours In 1 minute In 12 hours In 1 hour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During humidification process, __________ increases. Wet bulb temperature Dry bulb temperature Specific humidity Relative humidity Wet bulb temperature Dry bulb temperature Specific humidity Relative humidity ANSWER DOWNLOAD EXAMIANS APP
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