Chemical Engineering Thermodynamics Free energy Remains unchanged in reversible processes carried at constant temperature and pressure All of these Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure All of these Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the value of Joule-Thomson co-efficient for an ideal gas? +ve ∞ -ve +ve ∞ -ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics High pressure steam is expanded adiabati-cally and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process: Δ H ≠ 0 and ΔS ≠ 0 Δ H = 0 and ΔS = 0 Δ H ≠ 0 and ΔS = 0 Δ H = 0 and ΔS ≠ 0 Δ H ≠ 0 and ΔS ≠ 0 Δ H = 0 and ΔS = 0 Δ H ≠ 0 and ΔS = 0 Δ H = 0 and ΔS ≠ 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the atomic heat capacities of all solid elements Decreases linearly Remains unchanged Increases Decreases Decreases linearly Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The necessary and sufficient condition for equilibrium between two phases is The chemical potential of each component should be same in the two phases The concentration of each component should be same in the two phases The temperature of each phase should be same The pressure should be same in the two phases The chemical potential of each component should be same in the two phases The concentration of each component should be same in the two phases The temperature of each phase should be same The pressure should be same in the two phases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Reduced pressure of a gas is the ratio of its Pseudocritical pressure to pressure Pressure to pseudocritical pressure Pressure to critical pressure Critical pressure to pressure Pseudocritical pressure to pressure Pressure to pseudocritical pressure Pressure to critical pressure Critical pressure to pressure ANSWER DOWNLOAD EXAMIANS APP
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