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Process Equipment and Plant Design

Process Equipment and Plant Design
In distillation columns, bubble caps are held in place over trays by

Both B and C
A hold down bar
Rivets
Bolts

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Process Equipment and Plant Design
The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms.

50
15
5
7.5

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Process Equipment and Plant Design
Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be

D
√d
√(2d)
√(2πd)

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Process Equipment and Plant Design
In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect.

(1/n)th
1.5 nth
0.5 nth
nth

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Process Equipment and Plant Design
Two iron pipes of the same nominal diameter but different schedule numbers will have the same

Outside diameter
None of these
Inside diameter
Wall thickness

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

43895
44183
43962
44058

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