Refrigeration and Air Conditioning The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is 0.67 0.376 0.6 0.4 0.67 0.376 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 1.25 0.8 0.25 0.5 1.25 0.8 0.25 0.5 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. It reacts with copper and its alloys. All of these It requires large displacement per TR compared to fluoro carbons. It is toxic to mucous membranes. It reacts with copper and its alloys. All of these It requires large displacement per TR compared to fluoro carbons. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during dehumidification process Remains constant Decreases Increases None of these Remains constant Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Equal to unity Always less than unity Always more than unity Any one of the above Equal to unity Always less than unity Always more than unity Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? Vapour absorption cycle Air refrigeration cycle None of the listed here Vapour compression cycle Vapour absorption cycle Air refrigeration cycle None of the listed here Vapour compression cycle ANSWER DOWNLOAD EXAMIANS APP
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