Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Brass Steel Aluminium Copper Brass Steel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
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 Degree of saturation Humidity ratio Absolute humidity Relative humidity Degree of saturation Humidity ratio Absolute humidity Relative humidity ANSWER DOWNLOAD EXAMIANS APP
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 Increased to a value above its critical temperature Equal to critical temperature None of these Reduced to a value below its critical temperature Increased to a value above its critical temperature Equal to critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice In 1 minute In 24 hours In 1 hour In 12 hours In 1 minute In 24 hours In 1 hour In 12 hours ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? R-22 R-12 Ammonia R-11 R-22 R-12 Ammonia R-11 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube, as an expansion device, is used in All of these Water coolers Domestic refrigerators Room air conditioners All of these Water coolers Domestic refrigerators Room air conditioners ANSWER DOWNLOAD EXAMIANS APP
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