Refrigeration and Air Conditioning In a refrigerating machine, heat rejected is _________ heat absorbed. Greater than Less than Equal to None of these Greater than Less than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature) T₂/ (T₂ - T₁) (T₁ - T₂)/T₁ T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ T₂/ (T₂ - T₁) (T₁ - T₂)/T₁ T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For obtaining high COP, the pressure range of compressor should be Low Any value High Optimum Low Any value High Optimum ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Constant pressure cooling process Isentropic expansion process Isentropic compression process Constant pressure expansion process Constant pressure cooling process Isentropic expansion process Isentropic compression process Constant pressure expansion process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Miniature sealed unit Centrifugal Axial Piston type reciprocating Miniature sealed unit Centrifugal Axial Piston type reciprocating 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) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) ANSWER DOWNLOAD EXAMIANS APP
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