Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Cooling of a substance Simultaneous heating and expansion of an ideal gas Reversible isothermal volume change Heating of a substance Cooling of a substance Simultaneous heating and expansion of an ideal gas Reversible isothermal volume change Heating of a substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ does not change during phase transformation processes like sublimation, melting & vaporisation. Internal energy Gibbs free energy Entropy All of these Internal energy Gibbs free energy Entropy All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The thermodynamic law, PVy = constant, is not applicable in case of Free expansion of an ideal gas Ideal compression of air Adiabatic compression of a perfect gas Adiabatic expansion of steam in a turbine Free expansion of an ideal gas Ideal compression of air Adiabatic compression of a perfect gas Adiabatic expansion of steam in a turbine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ increases with increase in pressure. The melting point of wax The boiling point of a liquid Neither A nor B Both A and B The melting point of wax The boiling point of a liquid Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Activity co-efficient is a measure of the Departure of gas phase from idea] gas law Departure from ideal solution behaviour None of these Vapour pressure of liquid Departure of gas phase from idea] gas law Departure from ideal solution behaviour None of these Vapour pressure of liquid ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During Joule-Thomson expansion of gases Temperature remains constant Entropy remains constant None of these Enthalpy remains constant Temperature remains constant Entropy remains constant None of these Enthalpy remains constant ANSWER DOWNLOAD EXAMIANS APP
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