Chemical Engineering Thermodynamics The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is R log10 4 Cv loge 4 Cv log10 4 R loge 4 R log10 4 Cv loge 4 Cv log10 4 R loge 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs-Duhem equation None of these States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure Applies only to binary systems Finds no application in gas-liquid equilibria involved in distillation None of these States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure Applies only to binary systems Finds no application in gas-liquid equilibria involved in distillation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle Ordinary vapour-compression cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle Ordinary vapour-compression cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The principle applied in liquefaction of gases is Joule-Thomson effect Both A and B Neither A nor B Adiabatic expansion Joule-Thomson effect Both A and B Neither A nor B Adiabatic expansion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation, PV = nRT, is best obeyed by gases at Low pressure & low temperature Low pressure & high temperature None of these High pressure & low temperature Low pressure & low temperature Low pressure & high temperature None of these High pressure & low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas in a vessel expands, its internal energy decreases. The process involved is Reversible Adiabatic Isothermal Irreversible Reversible Adiabatic Isothermal Irreversible ANSWER DOWNLOAD EXAMIANS APP
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