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Process Equipment and Plant Design

Process Equipment and Plant Design
Baffle width is normally taken as __________ times the tank diameter.

0.45-0.6
0.2-0.45
0.4-0.5
0.1-0.12

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Process Equipment and Plant Design
The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate.

43834
2
4
43832

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

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

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Process Equipment and Plant Design
In case of saddle packing (e.g., berl and intralox saddles), the maximum size of the packing should not exceed __________ of the column diameter.

l/5th
l/30th
l/15th
l/50th

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Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)
All of these
Skirt clearance for bubble caps
Downcomer liquid seal in case of a balanced tray design

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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

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

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