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Process Equipment and Plant Design

Process Equipment and Plant Design
__________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids.

Packed
None of these
Bubble cap plate
Sieve plate

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Process Equipment and Plant Design
With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will

Decrease
Increase
Increase or decrease depending on the nature of the dust
Remain unaffected

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Process Equipment and Plant Design
Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns.

Same
Less
Either A or B; no generalisation can be made
More

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

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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
43961
1500-2500
50-150

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Process Equipment and Plant Design
Which of the following is the most common type of baffle used in industrial shell and tube heat exchanger?

Disk and doughnut baffle
25% cut segmental baffle
75% cut segmental baffle
Orifice baffle

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