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Process Equipment and Plant Design

Process Equipment and Plant Design
In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as

0.5
0.8
0.25
0.1

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Process Equipment and Plant Design
The most common standard size of bubble caps used in industrial operation is

6" dia cap with 4" dia riser
1" dia cap with 0.5" dia riser
8" dia cap with 1" dia riser
4" dia cap with 8" dia riser

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Process Equipment and Plant Design
Hazards associated with the relief valve leakage for extremely hazardous material storage can be taken care of by providing

None of these
Dikes
Surge chamber
Rupture diaphragm

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Process Equipment and Plant Design
The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always

1
Equal to the order of reaction
< 1
>1

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Process Equipment and Plant Design
Which of the following factors determine the amount of entrainment in a distillation column?

All of these
Vapour velocity in the volume between the plates
Depth of liquid above the bubble cap slots
Plate spacing

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Process Equipment and Plant Design
The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)

-q
-q/(q-1)
-q/(1-q)
None of these

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