Refrigeration and Air Conditioning The C.O.P. of an absorption type refrigerator is given by (where T₁ = Temperature at which the working substance receives heat, T₂ = Temperature of cooling water, and T₃ = Evaporator temperature) [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Allowable pressure on high pressure side or ammonia absorption system is of the order of Atmospheric pressure Slightly above atmospheric pressure 56 bars 24 bars Atmospheric pressure Slightly above atmospheric pressure 56 bars 24 bars ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During dehumidification process, _________ remains constant. Specific humidity Wet bulb temperature Relative humidity Dry bulb temperature Specific humidity Wet bulb temperature Relative humidity Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be Zero High, of the order of 25° As low as possible (3 to 11°C) Any value Zero High, of the order of 25° As low as possible (3 to 11°C) Any value ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature lines, on the psychrometric chart are Horizontal and non-uniformly spaced Vertical and uniformly spaced Curved lines Horizontal and uniformly spaced Horizontal and non-uniformly spaced Vertical and uniformly spaced Curved lines Horizontal and uniformly spaced 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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