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

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

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Process Equipment and Plant Design
A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the

Straight flange section and corner torus section
Corner torus section and central dished section
Central dished section and straight flange section
Central dished section and corner torus section

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Process Equipment and Plant Design
Seamless pipe is made

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

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