Refrigeration and Air Conditioning In a refrigeration system, heat absorbed in comparison to heat rejected is More for small capacity and less for high capacity Same More Less More for small capacity and less for high capacity Same More Less 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 (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 The refrigerant supplied to a compressor must be Dry saturated liquid refrigerant A mixture of liquid and vapour refrigerant Superheated vapour refrigerant None of these Dry saturated liquid refrigerant A mixture of liquid and vapour refrigerant Superheated vapour refrigerant None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? High risibility with oil Good electrical conductor Large latent heat Low boiling point High risibility with oil Good electrical conductor Large latent heat Low boiling point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Cooling water is required for following equipment in ammonia absorption plant Condenser Absorber Evaporator Condenser, absorber and separator (rectifier) Condenser Absorber Evaporator Condenser, absorber and separator (rectifier) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system Strong solution to ammonia vapour Weak solution to strong solution Strong solution to weak solution Ammonia vapours to weak solution Strong solution to ammonia vapour Weak solution to strong solution Strong solution to weak solution Ammonia vapours to weak solution ANSWER DOWNLOAD EXAMIANS APP
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