Refrigeration and Air Conditioning The leakage in a refrigeration system using Freon 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 The dry bulb temperature during sensible heating of air Decreases Increases None of these Remains constant Decreases Increases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Increases heat transfer rate Results in loss of heat due to poor heat transfer Can be avoided by proper design Is immaterial Increases heat transfer rate Results in loss of heat due to poor heat transfer Can be avoided by proper design Is immaterial ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during humidification process Remains constant None of these Increases Decreases Remains constant None of these Increases 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 (T₁ - T₂)]/ [T₁ (T₂ - T₃)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process) (h2 - hA)/ (h1 - h2) (hA - h1)/ (h2 - h1) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (h2 - hA)/ (h1 - h2) (hA - h1)/ (h2 - h1) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) ANSWER DOWNLOAD EXAMIANS APP