Process Equipment and Plant Design
For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be __________ times.

Considerably more than 9
About 9
About 3
Considerably less than 9

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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
There is no central downtake
The tube bundle is suspended on bracket
Downtake is formed by the annular space between the bundle and the shell

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