Chemical Engineering Thermodynamics Co-efficient of Performance (COP) of a refrigerator is the ratio of the Work required to refrigeration obtained Lower to higher temperature Higher to lower temperature Refrigeration obtained to the work required Work required to refrigeration obtained Lower to higher temperature Higher to lower temperature Refrigeration obtained to the work required ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an irreversible process DE - dW - Tds = 0 Tds - dT + dW< 0 Tds - dE + dW< 0 Tds = dE - dW = 0 DE - dW - Tds = 0 Tds - dT + dW< 0 Tds - dE + dW< 0 Tds = dE - dW = 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Boiling of liquid is accompanied with increase in the All of these Vapor pressure Specific Gibbs free energy Specific entropy All of these Vapor pressure Specific Gibbs free energy Specific entropy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Heating Both B and C Cooling Simultaneous pressure & temperature change Heating Both B and C Cooling Simultaneous pressure & temperature change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy. Less than More than Equal to Either B or C; depends on the type of alloy Less than More than Equal to Either B or C; depends on the type of alloy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Clayperon equation deals with the Effect of an inert gas on vapour pressure Temperature dependence of heat of phase transition Calculation of ΔF for spontaneous phase change Rate of change of vapour pressure with temperature Effect of an inert gas on vapour pressure Temperature dependence of heat of phase transition Calculation of ΔF for spontaneous phase change Rate of change of vapour pressure with temperature ANSWER DOWNLOAD EXAMIANS APP
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