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Process Equipment and Plant Design

Process Equipment and Plant Design
Column support for the roof of cylindrical storage tank must be provided for

Small diameter tanks
Small diameter tall tanks
All of these
Large diameter tanks

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Process Equipment and Plant Design
Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?

Triangular pitch
Square pitch
Heat transfer rate is independent of tube arrangement
Diagonal square pitch

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Process Equipment and Plant Design
Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns.

Either A or B; no generalisation can be made
Less
Same
More

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Process Equipment and Plant Design
In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)

Sa = 1.5 Aa
1.2 Aa = 1.2 Sa
Aa = Sa
Aa = 1.5 Sa

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Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

All of these
Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)
Downcomer liquid seal in case of a balanced tray design
Skirt clearance for bubble caps

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Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for

Creating turbulence
Reducing scale deposition
Fixing the tubes
Increasing pressure drop

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