Chemical Engineering Thermodynamics In case of a close thermodynamic system, there is __________ across the boundaries. Mass and energy transfer None of these No mass transfer but heat transfer No heat and mass transfer Mass and energy transfer None of these No mass transfer but heat transfer No heat and mass transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is Ax₂ A . x₂² Ax₁ Ax₁² Ax₂ A . x₂² Ax₁ Ax₁² ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T) approaches Unity Infinity None of these Zero Unity Infinity None of these Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity and pressure are numerically not equal for the gases At standard state At low temperature and high pressure In ideal state Both A and B At standard state At low temperature and high pressure In ideal state Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. High viscosity High thermal conductivity Large latent heat of vaporisation Low freezing point High viscosity High thermal conductivity Large latent heat of vaporisation Low freezing point ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The absolute entropy for all crystalline substances at absolute zero temperature is Zero More than zero Indeterminate Negative Zero More than zero Indeterminate Negative ANSWER DOWNLOAD EXAMIANS APP
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