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Process Equipment and Plant Design

Process Equipment and Plant Design
The dust collection efficiency of electrostatic precipitator increases with increase in the

Both A & B
Gas flow rate
Neither A nor B
Electrode area

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

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Process Equipment and Plant Design
Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around

100 and 250
25 and 60
250 and 600
3 and 5

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

43895
44058
43962
44183

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Process Equipment and Plant Design
Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.

Less than
Either more or less (depending upon relative volatility)
More than
Same as

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Process Equipment and Plant Design
The value of fouling factor depends upon the

All of these
Suspended solids in the fluid
Characteristic of process fluid
Velocity of process fluid containing suspended solids

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