Refrigeration and Air Conditioning When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be Positive Negative None of the listed here Zero Positive Negative None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During dehumidification process, _________ remains constant. Dry bulb temperature Relative humidity Specific humidity Wet bulb temperature Dry bulb temperature Relative humidity Specific humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by O.P)P = ( O.P.)P = ( O.P)R - 1 O.P.)R + 1 O.P)P = ( O.P.)R + 2 O.P)R ( ( ( O.P.)P = ( ( O.P)P = ( O.P.)P = ( O.P)R - 1 O.P.)R + 1 O.P)P = ( O.P.)R + 2 O.P)R ( ( ( O.P.)P = ( ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since All of these It gives higher coefficient of performance It has low operating pressures It is miscible with oil over large range of temperatures All of these It gives higher coefficient of performance It has low operating pressures It is miscible with oil over large range of temperatures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature) T₁ / (T₂ - T₁) (T₁ - T₂)/T₁ T₂/ (T₂ - T₁) (T₂ - T₁)/T₁ T₁ / (T₂ - T₁) (T₁ - T₂)/T₁ T₂/ (T₂ - T₁) (T₂ - T₁)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In Electrolux refrigerator Ammonia evaporates in hydrogen Ammonia is absorbed in water Hydrogen evaporates in ammonia Ammonia is absorbed in hydrogen Ammonia evaporates in hydrogen Ammonia is absorbed in water Hydrogen evaporates in ammonia Ammonia is absorbed in hydrogen ANSWER DOWNLOAD EXAMIANS APP
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