Process Equipment and Plant Design
High pressure fluid in a shell and tube heat exchanger should preferably be routed through the

Shell side for large overall heat transfer co-efficient
Shell side for smaller total pressure drop
Shell side, if the flow is counter-current and tube side if the flow is co-current
Tubes to avoid the expansion of high pressure shell construction

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the distillation column.

The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles
Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up
None of these
If sufficient slot area is not provided, the gas may pass through the skirt clearance

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Process Equipment and Plant Design
The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles?

To reduce the induced vibration in the tubes
To provide support to the tube bundle
To increase the residence time of shell side fluid
To increase the tube side heat transfer co-efficient by inducing turbulence

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Process Equipment and Plant Design
Seamless pipe is made

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

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