Process Equipment and Plant Design
The most common standard size of bubble caps used in industrial operation is

1" dia cap with 0.5" dia riser
6" dia cap with 4" dia riser
8" dia cap with 1" dia riser
4" dia cap with 8" dia riser

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Process Equipment and Plant Design
Pick out the wrong statement about routing of fluids in a shell and tube heat exchanger.

The corrosive and fouling fluid should be preferably routed through the tubes
Higher pressure fluid stream should be routed through the shell side
Lower flow rate fluid should be routed through the shell side
The viscous fluid should be routed through the shell side

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