Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Heat of compression Enthalpy increase in compressor All of these Work done by compressor Heat of compression Enthalpy increase in compressor All of these Work done by compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Equal to atmospheric pressure Higher than atmospheric pressure Lower than atmospheric pressure Could be anything Equal to atmospheric pressure Higher than atmospheric pressure Lower than atmospheric pressure Could be anything ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Piston type reciprocating Centrifugal Miniature sealed unit Axial Piston type reciprocating Centrifugal Miniature sealed unit Axial ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is Cooled and dehumidified Cooled and humidified Heated and humidified Heated and dehumidified Cooled and dehumidified Cooled and humidified Heated and humidified Heated and dehumidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? 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 It reacts with copper and its alloys. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is Reversed Otto cycle Reversed Brayton cycle Reversed Carnot cycle Reversed Joule cycle Reversed Otto cycle Reversed Brayton cycle Reversed Carnot cycle Reversed Joule cycle ANSWER DOWNLOAD EXAMIANS APP
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