Refrigeration and Air Conditioning One tonne of refrigeration (1TR) means that the heat removing capacity is 210 kJ/min 620 kJ/min 420 kJ/min 21 kJ/min 210 kJ/min 620 kJ/min 420 kJ/min 21 kJ/min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling, 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 Relative humidity remains constant Specific humidity increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Sulphur sticks which on detection gives white smoke Using reagents Halide torch which on detection produces greenish flame lighting Smelling Sulphur sticks which on detection gives white smoke Using reagents Halide torch which on detection produces greenish flame lighting Smelling ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Saturated air Moist air Specific humidity Dry air Saturated air Moist air Specific humidity Dry air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then Bigger cabinet should be used Refrigerant with lower evaporation temperature should be used Perfectly tight vapour seal should be used Smaller cabinet should be used Bigger cabinet should be used Refrigerant with lower evaporation temperature should be used Perfectly tight vapour seal should be used Smaller cabinet should be used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be 43834 4 43833 3 43834 4 43833 3 ANSWER DOWNLOAD EXAMIANS APP
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