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Process Equipment and Plant Design

Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

1000
3000
5000
10000

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Process Equipment and Plant Design
Oxygen carrying pipelines in chemical industries are coloured with __________ colour.

Blue
Yellow
Red
Black

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Process Equipment and Plant Design
__________ tray arrangement is recommended for distillation column having diameter upto 4 ft.

Cross flow
Cascade
Radial flow
Split flow

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Process Equipment and Plant Design
In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

Neither A nor B
Cap pitch of 1.3-2 times the cap diameter
Clearance of 25-75 mm
Either A or B

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Process Equipment and Plant Design
Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency

Decreases
Increases
Remains same
May increase or decrease depending upon the plate spacing

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Process Equipment and Plant Design
For a given design of bubble cap, the number of bubble caps to be used per tray is set by the

Diameter of the column
Plate spacing
All of these
Allowable gas velocity through the slots

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