Chemical Engineering Thermodynamics For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases. Remains same Increases Decreases Decreases linearly Remains same Increases Decreases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following equations is used for the prediction of activity co-efficient from experiments? Van Laar equation Margules equation All of these Wilson's equation Van Laar equation Margules equation All of these Wilson's equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Heating of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Cooling of a substance Heating of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Cooling of a substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The activity of an ideal gas is numerically __________ its pressure. Data insufficient, can't be predicted Less than More than Equal to Data insufficient, can't be predicted Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same. Temperature Work None of these Kinematic viscosity Temperature Work None of these Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a reversible process ? Solution of NaCl in water at 50°C Atmospheric pressure vaporisation of water at 100°C None of these Expansion of an ideal gas against constant pressure Solution of NaCl in water at 50°C Atmospheric pressure vaporisation of water at 100°C None of these Expansion of an ideal gas against constant pressure ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS