Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is R-11 R-12 R-22 Ammonia R-11 R-12 R-22 Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Centrifugal Miniature sealed unit Axial Piston type reciprocating Centrifugal Miniature sealed unit Axial Piston type reciprocating ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice In 1 hour In 1 minute In 12 hours In 24 hours In 1 hour In 1 minute In 12 hours In 24 hours ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Increases Remains constant None of these Decreases Increases Remains constant None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
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 (T₂ - T₃)] / [T₁ (T₁ - T₂)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P. More Unpredictable Equally Less More Unpredictable Equally Less ANSWER DOWNLOAD EXAMIANS APP
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