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Process Equipment and Plant Design

Process Equipment and Plant Design
__________ dished head is the strongest of all.

Hemispherical
None of these
Elliptical
Torispherical

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Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

1/2 and 5
1/64 and 1/8
1/8 and 1/64
1/2 and 8

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Process Equipment and Plant Design
A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by

(ph - dt)/ph
(ph - dh)/ph
(ph - dh)/dh
(ph - dh . dt/2)/ph

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Process Equipment and Plant Design
The shell side pressure drop in a shell and tube heat exchanger is maximum for __________ baffle.

Independent of the type of
Segmental
Orifice
Disk and ring

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Process Equipment and Plant Design
Bubble cap diameter used for the distillation column having diameter ranging from 1.5 to 4.5 metres is about __________ mm.

50
100
10
150

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Process Equipment and Plant Design
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

Decrease in gas solubility for absorbers
An increase in relatived volatility for rectification columns
An increase in liquid viscosity
All of these

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