Refrigeration and Air Conditioning The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called Relative humidity Degree of saturation Absolute humidity Humidity ratio Relative humidity Degree of saturation Absolute humidity Humidity ratio ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A bootstrap air cooling system has Two heat exchangers Three heat exchangers One heat exchanger Four heat exchangers Two heat exchangers Three heat exchangers One heat exchanger Four heat exchangers ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During cooling and dehumidification, dry bulb temperature Increases None of these Remains constant Decreases Increases None of these Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 7.44 kW 18.6 kW 3.72 kW 1.86 kW 7.44 kW 18.6 kW 3.72 kW 1.86 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Condensing temperature in a refrigerator is the temperature Of freezing zone Of cooling medium Of evaporator At which refrigerant gas becomes liquid Of freezing zone Of cooling medium Of evaporator At which refrigerant gas becomes liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Short horizontal lines on pressure-enthalpy chart show Constant temperature lines Constant total heat lines Constant entropy lines Constant pressure lines Constant temperature lines Constant total heat lines Constant entropy lines Constant pressure lines ANSWER DOWNLOAD EXAMIANS APP
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