Chemical Engineering Thermodynamics Entropy change in case of reversible adiabatic process is Maximum Minimum Indeterminate Zero Maximum Minimum Indeterminate Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The value of gas constant 'R' is Both A and B Neither A nor B 1.987 cal/gm mole °K 1.987 BTU/lb. mole °R Both A and B Neither A nor B 1.987 cal/gm mole °K 1.987 BTU/lb. mole °R ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy Remains unchanged in reversible processes carried at constant temperature and pressure Decreases in all spontaneous (or irreversible) processes All of these Change during a spontaneous process has a negative value Remains unchanged in reversible processes carried at constant temperature and pressure Decreases in all spontaneous (or irreversible) processes All of these Change during a spontaneous process has a negative value ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) μ° + T lnf μ° + RT ln f μ°+ R lnf μ° + R/T lnf μ° + T lnf μ° + RT ln f μ°+ R lnf μ° + R/T lnf ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Sublimation temperature of dry ice (solid CO₂) is __________ °C. 0 5 -273 -78 0 5 -273 -78 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)? Air cycle Carnot cycle Ordinary vapour compression cycle Vapour compression with a reversible expansion engine Air cycle Carnot cycle Ordinary vapour compression cycle Vapour compression with a reversible expansion engine ANSWER DOWNLOAD EXAMIANS APP