Refrigeration and Air Conditioning Short horizontal lines on pressure-enthalpy chart show Constant total heat lines Constant entropy lines Constant pressure lines Constant temperature lines Constant total heat lines Constant entropy lines Constant pressure lines Constant temperature lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct? All of the listed here The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb temperature is a measure of enthalpy of moist air The wet bulb and dry bulb temperature are equal at saturation condition All of the listed here The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb temperature is a measure of enthalpy of moist air The wet bulb and dry bulb temperature are equal at saturation condition ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will Increase May increase or decrease depending on the type of refrigerant used Decrease Remain unaffected Increase May increase or decrease depending on the type of refrigerant used Decrease Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition of refrigerant is superheated vapour After passing through the condenser After passing through the expansion or throttle valve Before entering the expansion valve Before passing through the condenser After passing through the condenser After passing through the expansion or throttle valve Before entering the expansion valve Before passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ________ is 10.5°C. Sulphur dioxide Ammonia R-12 Carbon dioxide Sulphur dioxide Ammonia R-12 Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 20°C 5°C 15°C 10°C 20°C 5°C 15°C 10°C ANSWER DOWNLOAD EXAMIANS APP
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