Chemical Engineering Thermodynamics The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is Same Dependent on climatic conditions More Less Same Dependent on climatic conditions More Less ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change of mixing two liquid substances depends upon the Neither A nor B Quantity (i.e. number of moles) Both A and B Molar concentration Neither A nor B Quantity (i.e. number of moles) Both A and B Molar concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor? 2 0 1 3 2 0 1 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (∂S/∂V)T = (∂P/∂T)V (∂S/∂P)T = -(∂V/∂T)P (∂V/∂S)P = (∂T/∂P)S (∂T/∂V)S = -(∂P/∂S)V (∂S/∂V)T = (∂P/∂T)V (∂S/∂P)T = -(∂V/∂T)P (∂V/∂S)P = (∂T/∂P)S (∂T/∂V)S = -(∂P/∂S)V ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the least thermal efficiency? Diesel engine Carnot engine Otto engine Steam engine Diesel engine Carnot engine Otto engine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in Enhanced COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP No change in the value of COP Enhanced COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP No change in the value of COP ANSWER DOWNLOAD EXAMIANS APP
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