Process Equipment and Plant Design
In case of a continuous distillation column, increase in reflux ratio may result in the

Greater cost for the reboiler heat supply
Lower fixed charges for the column
Greater cost for the condenser coolant
All of these

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design

Only if the opening is on spherical vessel
Irrespective of the shape of the vessel
Only if the opening is on a vertical cylinderical vessel
Only if the opening is on a horizontal cylinderical vessel

ANSWER DOWNLOAD EXAMIANS APP