Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Compressor Expansion valve Evaporator Condenser Compressor Expansion valve Evaporator Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture should be removed from refrigerants to avoid Freezing at the expansion valve Corrosion of steel plates All of these Restriction to refrigerant flow Freezing at the expansion valve Corrosion of steel plates All of these Restriction to refrigerant flow ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A bootstrap air cooling system has Four heat exchangers Three heat exchangers Two heat exchangers One heat exchanger Four heat exchangers Three heat exchangers Two heat exchangers One heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the liquid ammonia passing through the evaporator. Reduce Equalize None of these Increase Reduce Equalize None of these Increase ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? It reacts with copper and its alloys. It requires large displacement per TR compared to fluoro carbons. It is toxic to mucous membranes. All of these It reacts with copper and its alloys. It requires large displacement per TR compared to fluoro carbons. It is toxic to mucous membranes. All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. Ammonia R-12 Carbon dioxide Sulphur dioxide Ammonia R-12 Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS