Process Equipment and Plant Design
In condenser, the cooling water is passed in the tube side in a pass arrangement, because

Pressure drop is reduced
More thinner tubes can be used
It makes condenser compact
It reduces heat transfer area

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to a shell and tube heat exchanger.

The maximum value of baffle spacing is equal to the I.D. of the shell
The minimum value of baffle spacing is 50 mm
The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these
Disk and doughnut baffle is the most commonly used baffle

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