Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be None of these Reduced to a value below its critical temperature Equal to critical temperature Increased to a value above its critical temperature None of these Reduced to a value below its critical temperature Equal to critical temperature Increased to a value above its critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called Kinetic theory of gases Avogadro's hypothesis Dalton's law of partial pressures Newton's law of gases Kinetic theory of gases Avogadro's hypothesis Dalton's law of partial pressures Newton's law of gases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ammonia is -77.7°C -10.5°C -30°C -33.3°C -77.7°C -10.5°C -30°C -33.3°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most of the domestic refrigerators work on the following refrigeration system Vapour compression Carnot cycle Vapour absorption Electrolux refrigerator Vapour compression Carnot cycle Vapour absorption Electrolux refrigerator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture should be removed from refrigerants to avoid Corrosion of steel plates Restriction to refrigerant flow All of these Freezing at the expansion valve Corrosion of steel plates Restriction to refrigerant flow All of these Freezing at the expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in winter air-conditioning to warm and humidity the air, is called Heating and humidification Cooling and dehumidification Dehumidification Humidification Heating and humidification Cooling and dehumidification Dehumidification Humidification ANSWER DOWNLOAD EXAMIANS APP
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