Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Heating takes place Temperature is constant Pressure is constant Cooling takes place Heating takes place Temperature is constant Pressure is constant Cooling takes place 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 (∂T/∂P)H is the mathematical expression for None of these Joule-Thompson co-efficient Specific heat at constant volume (Cv) Specific heat at constant pressure (Cp) None of these Joule-Thompson co-efficient Specific heat at constant volume (Cv) Specific heat at constant pressure (Cp) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as P = F - C - 2 P + F - C = 2 C = P - F + 2 F = C - P - 2 P = F - C - 2 P + F - C = 2 C = P - F + 2 F = C - P - 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical compressibility factor for all substances Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute temperature Vary as square of the absolute pressure Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute temperature Vary as square of the absolute pressure ANSWER DOWNLOAD EXAMIANS APP
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