Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

None of these
The pressure drop due to the caps & slots and the static submergence should be as high as practicable for reasonable operation
Tendency towards stable operation is increased by increasing the skirt clearance of the caps, lowering the rate of liquid flow per unit plate width or increasing the spacing between the caps
The dimensionless ratio of liquid gradient to pressure drop head caused by the bubble cap assembly should be less than 0.4

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator

Employs high velocity, high heat transfer rate and less heating surface requirement
Is economical in operation
Both B & C
Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Process Equipment and Plant Design