Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is ________ dew point temperature. None of these Higher than Same as Lower than None of these Higher than Same as Lower than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have High latent heat of vaporisation and low freezing point High specific volume and high latent heat of vaporisation High operating pressures and low freezing point Low C.O.P. and low freezing point High latent heat of vaporisation and low freezing point High specific volume and high latent heat of vaporisation High operating pressures and low freezing point Low C.O.P. and low freezing point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used in small tonnage commercial machines (hermetically sealed units) is Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Short horizontal lines on pressure-enthalpy chart show Constant temperature lines Constant entropy lines Constant total heat lines Constant pressure lines Constant temperature lines Constant entropy lines Constant total heat lines Constant pressure lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the inlet of a refrigerant compressor is called Critical pressure Discharge pressure Suction pressure Back pressure Critical pressure Discharge pressure Suction pressure Back pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The power per tonne of refrigeration is None of these 3.5 × C.O.P. O.P/3.5 3.5/C.O.P. None of these 3.5 × C.O.P. O.P/3.5 3.5/C.O.P. ANSWER DOWNLOAD EXAMIANS APP
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