Refrigeration and Air Conditioning Freon group of refrigerants are Inflammable Non-inflammable and toxic Nontoxic and non-inflammable Toxic Inflammable Non-inflammable and toxic Nontoxic and non-inflammable Toxic ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Miniature sealed unit Piston type reciprocating Axial Centrifugal Miniature sealed unit Piston type reciprocating Axial Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have Tow specific heat of liquid High latent heat of vaporisation Higher critical temperature High boiling point Tow specific heat of liquid High latent heat of vaporisation Higher critical temperature High boiling point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve operates on the changes in the None of these Degree of superheat at exit from the evaporator Temperature of the evaporator Pressure in the evaporator None of these Degree of superheat at exit from the evaporator Temperature of the evaporator Pressure in the evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct? The wet bulb and dry bulb temperature are equal at saturation condition All of the listed here The wet bulb temperature is a measure of enthalpy of moist air The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb and dry bulb temperature are equal at saturation condition All of the listed here The wet bulb temperature is a measure of enthalpy of moist air The constant enthalpy lines are also constant wet bulb temperature lines 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) [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] ANSWER DOWNLOAD EXAMIANS APP
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