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Process Equipment and Plant Design

Process Equipment and Plant Design
Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as

D = 1.1 t
D = 1.5 t
D = 3√t
D = 1.6 √t

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Process Equipment and Plant Design
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the

Lower static submergence
Liquid gradient on the tray
Lower skirt clearance
Small downcomer liquid seal

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

Diameter of the column
Entrainment considerations
Vapour density
None of these

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Process Equipment and Plant Design
Safety valves are provided in chemical equipments to guard against excessive

Temperature
Turbulence
Pressure/pressure fluctuation
Noise

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Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

500-1500
1500-2500
50-150
43961

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Process Equipment and Plant Design
Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is

Same
More
Less
Twice

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