Refrigeration and Air Conditioning Dry bulb temperature is the temperature of air recorded by a thermometer, when The moisture present in it begins to condense None of the listed here Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air The moisture present in it begins to condense None of the listed here Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical pressure of a liquid is the pressure Above which liquid becomes vapour Above which liquid becomes gas Above which liquid will remain liquid Above which liquid becomes solid Above which liquid becomes vapour Above which liquid becomes gas Above which liquid will remain liquid Above which liquid becomes solid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 1.2 5 6 0.2 1.2 5 6 0.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called Humidity ratio Absolute humidity Degree of saturation Relative humidity Humidity ratio Absolute humidity Degree of saturation Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most of the domestic refrigerators work on the following refrigeration system Electrolux refrigerator Vapour absorption Carnot cycle Vapour compression Electrolux refrigerator Vapour absorption Carnot cycle Vapour compression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Raising the higher temperature Lowering the higher temperature Operating the machine at lower speeds Operating the machine at higher speeds Raising the higher temperature Lowering the higher temperature Operating the machine at lower speeds Operating the machine at higher speeds ANSWER DOWNLOAD EXAMIANS APP