Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be Any value High, of the order of 25° As low as possible (3 to 11°C) Zero Any value High, of the order of 25° As low as possible (3 to 11°C) Zero ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before passing through the condenser is Dry saturated vapour Wet vapour Saturated liquid Superheated vapour Dry saturated vapour Wet vapour Saturated liquid Superheated vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Same Very low High Low Same Very low High Low ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Superheating in a refrigeration cycle O.P remains unaltered Increases C.O.P Decreases C.O.P Other factors decide C.O.P O.P remains unaltered Increases C.O.P Decreases C.O.P Other factors decide C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be Cooled and dehumidified Heated and dehumidified Heated and humidified Cooled and humidified Cooled and dehumidified Heated and dehumidified Heated and humidified Cooled and humidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Non-toxic Highly toxic and inflammable Toxic and non-inflammable Non-inflammable Non-toxic Highly toxic and inflammable Toxic and non-inflammable Non-inflammable ANSWER DOWNLOAD EXAMIANS APP
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