Chemical Engineering Thermodynamics Which of the following will increase the volume of a real gas by four times ? Reducing pressure to one fourth at constant temperature Reducing temperature to one fourth at constant pressure Doubling the absolute temperature as well as pressure of the gas Reducing the temperature to half and doubling the pressure Reducing pressure to one fourth at constant temperature Reducing temperature to one fourth at constant pressure Doubling the absolute temperature as well as pressure of the gas Reducing the temperature to half and doubling the pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes All of these Remains unchanged in reversible processes carried at constant temperature and pressure Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes All of these Remains unchanged in reversible processes carried at constant temperature and pressure 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 What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope? 3 1 2 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics First law of thermodynamics is mathematically stated as dQ = dE + dW dW = dQ + dE dQ = dE - dW dE = dQ + dW dQ = dE + dW dW = dQ + dE dQ = dE - dW dE = dQ + dW ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be __________ c.c. 2.73 273 28.3 283 2.73 273 28.3 283 ANSWER DOWNLOAD EXAMIANS APP
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