Chemical Engineering Thermodynamics For a given substance at a specified temperature, activity is __________ to fugacity. Directly proportional Inversely proportional None of these Equal Directly proportional Inversely proportional None of these Equal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In polytropic process (PVn = constant), if n = 1; it means a/an __________ process. Reversible Adiabatic Isothermal None of these Reversible Adiabatic Isothermal None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigeration cycle Involves transfer of heat from low temperature to high temperature Neither A nor B Violates second law of thermodynamics Both A and B Involves transfer of heat from low temperature to high temperature Neither A nor B Violates second law of thermodynamics Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation, PV = nRT, is best obeyed by gases at Low pressure & high temperature Low pressure & low temperature None of these High pressure & low temperature Low pressure & high temperature Low pressure & low temperature None of these High pressure & low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (∂S/∂P)T = -(∂V/∂T)P (∂S/∂V)T = (∂P/∂T)V (∂T/∂V)S = -(∂P/∂S)V (∂V/∂S)P = (∂T/∂P)S (∂S/∂P)T = -(∂V/∂T)P (∂S/∂V)T = (∂P/∂T)V (∂T/∂V)S = -(∂P/∂S)V (∂V/∂S)P = (∂T/∂P)S ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Claude gas liquefaction process employs cooling None of these By expansion in an engine By throttling At constant pressure None of these By expansion in an engine By throttling At constant pressure ANSWER DOWNLOAD EXAMIANS APP
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