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

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

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes

Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less
Are easier to clean
Are less prone to fouling
None of these

ANSWER DOWNLOAD EXAMIANS APP