Refrigeration and Air Conditioning Where does the lowest temperature occur in a vapour compression cycle? Expansion valve Condenser Evaporator Compressor Expansion valve Condenser Evaporator Compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used in small tonnage commercial machines (hermetically sealed units) is Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? 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 It reacts with copper and its alloys. It requires large displacement per TR compared to fluoro carbons. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by 1 - B.P.F. P.F. - 1 1/ B.P.F. 1 + B.P.F. 1 - B.P.F. P.F. - 1 1/ B.P.F. 1 + B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -77.7°C -75.2°C -56.6°C -135.8°C -77.7°C -75.2°C -56.6°C -135.8°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Freon Aqua-ammonia Ammonia Water Freon Aqua-ammonia Ammonia Water ANSWER DOWNLOAD EXAMIANS APP
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