Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by Halide torch All of these Sulphur sticks Soap and water Halide torch All of these Sulphur sticks Soap and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant Air Freon-11 Freon-22 CO2 Air Freon-11 Freon-22 CO2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant is dry saturated vapour Before entering the compressor After leaving the compressor After leaving the condenser Before entering the condenser Before entering the compressor After leaving the compressor After leaving the condenser Before entering the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant for a refrigerator should have Low latent heat High sensible heat High latent heat High total heat Low latent heat High sensible heat High latent heat High total heat ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Nusselt number (NN) is given by NN = ρ V l /μ NN = V²/t.cp NN = μ cp/k NN = hl/k NN = ρ V l /μ NN = V²/t.cp NN = μ cp/k NN = hl/k ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 4.33 3.33 2.33 1.33 4.33 3.33 2.33 1.33 ANSWER DOWNLOAD EXAMIANS APP
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