Mass Transfer
If a two phase system is in physical equilibrium; then it means that, the

Total pressure throughout the liquid phase is equal to that throughout the vapor phase
Temperature of the liquid phase is equal to that of the vapor phase
All of these
Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Inside the distillation column, the

Driving force for the vapour flow is the pressure drop
None of these
Pressure increases gradually from bottom to the top of the column
Liquids are not always at their bubble points

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Relative humidity is the ratio of the

Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature
None of these
Partial pressure of the vapour to the vapour pressure of the liquid at room temperature
Actual humidity to saturation humidity

ANSWER DOWNLOAD EXAMIANS APP