Refrigeration and Air Conditioning The specific humidity during heating and humidification process. None of these Decreases Remains constant Increases None of these Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by Soap and water Sulphur sticks All of these Halide torch Soap and water Sulphur sticks All of these Halide torch ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Nusselt number (NN) is given by NN = ρ V l /μ NN = hl/k NN = V²/t.cp NN = μ cp/k NN = ρ V l /μ NN = hl/k NN = V²/t.cp NN = μ cp/k ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 30 bar 2 bar 15 bar 8 bar 30 bar 2 bar 15 bar 8 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Copper Aluminium Brass Steel Copper Aluminium Brass Steel ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of R-12 is -107.7°C -135.8°C -95.2°C -86.6°C -107.7°C -135.8°C -95.2°C -86.6°C ANSWER DOWNLOAD EXAMIANS APP
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