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Process Equipment and Plant Design

Process Equipment and Plant Design
The minimum baffle height should be

Twice the impeller diameter
Twice the tank diameter
3/4 of the tank height
Equal to the impeller diameter

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Process Equipment and Plant Design
Fresh water carrying pipelines in chemical industries are coloured with __________ color.

Sea green
Yellow
Brown
Red

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Process Equipment and Plant Design
In a heat exchanger, shell side fluid velocity can be changed by changing the tube

Layout
Neither A nor B
Both A & B
Pitch

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Process Equipment and Plant Design
Which of the following material is seldom used for pressure vessel construction?

Rimmed still
Semi-killed steel
Mild steel
Killed steel

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Process Equipment and Plant Design
In condenser, the cooling water is passed in the tube side in a pass arrangement, because

More thinner tubes can be used
It makes condenser compact
It reduces heat transfer area
Pressure drop is reduced

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

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