Mass Transfer
One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect

The product composition as well as the fraction vaporised
The product composition but not the fraction vaporised
The fraction vaporised but not the product composition
Neither the product composition nor the fraction vaporised

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
In case of a desorber (stripper), the

Temperature remains unaffected
Temperature always increases
Operating line always lies above the equilibrium curve
Operating line always lies below the equilibrium curve

ANSWER DOWNLOAD EXAMIANS APP