Process Equipment and Plant Design
The value of fouling factor depends upon the

Velocity of process fluid containing suspended solids
Characteristic of process fluid
All of these
Suspended solids in the fluid

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

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a basket type evaporator.

It is used for high viscosity liquor having large rate of scaling
Downtake is formed by the annular space between the bundle and the shell
There is no central downtake
The tube bundle is suspended on bracket

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