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Process Equipment and Plant Design

Process Equipment and Plant Design
Maximum allowable vapour velocity in a bubble cap tower is determined by the

Vapour density
Entrainment considerations
None of these
Diameter of the column

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Process Equipment and Plant Design
Friction factor for turbulent flow in a new pipe is given by

f = 0.04/NRe0.16
f = 16/NRe
f = 0.22 NRe0.05
f = 25/NRe

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Process Equipment and Plant Design
Scale up problem in design based on the similarity concept takes into account __________ similarity.

Kinematic
All of these
Dynamic
Geometrical

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Process Equipment and Plant Design
In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower.

All of these
Molal flow rate of vapour
Pressure and temperature
Vapour molecular weight

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Process Equipment and Plant Design
In a pressure vessel containing multiple openings of various dimensions at different parts, stress concentration at the edges of the opening is maximum which becomes negligibly small beyond the area covered by __________ times the hole diameter.

Five
Twenty
Two
Ten

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Process Equipment and Plant Design
Hazards associated with the relief valve leakage for extremely hazardous material storage can be taken care of by providing

Surge chamber
None of these
Rupture diaphragm
Dikes

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