Process Equipment and Plant Design
Which of the following is used to set the diameter of the distillation column?

Static submergence
Number of theorectical plates
Allowable vapour velocity
Length of straight rectangular weir on cross-flow tray

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be

More than that for fluid flow
Same as that for fluid flow
D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively)
Less than that for fluid flow

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
Seamless pipe is made

By extrusion & casting into static and centrifugal molds
Both B and C
By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing
From rolled strips formed into cylinders and seam-welded

ANSWER DOWNLOAD EXAMIANS APP