Process Equipment and Plant Design
Le/D for a Tee (used as elbow, entering branch) would be

Both B and C
Less than that for Tee (used as elbow, entering run)
Around 90
More than that for Tee (used as elbow, entering run)

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Process Equipment and Plant Design
Vertical condenser is advantageous to the horizontal condenser from operation point of view, when

Only the function of condensation is to be carried out
Both the functions of condensation & sub cooling are carried out in a single unit
Hydrostatic head is required for refluxing the condensate
Sub cooling of condensate is desired

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

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

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