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Process Equipment and Plant Design

Process Equipment and Plant Design
In the design of a bag filter, the gas temperature is an important consideration, as it affects the

Gas density
Gas viscosity
Fibre selection
All of these

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Process Equipment and Plant Design
For turbine agitator, the impeller diameter is about

0.95 d
0.1 to 0.2 d
0.65 to 0.85 d
0.3 to 0.5 d

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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.)
Downcomer liquid seal in case of a balanced tray design
Skirt clearance for bubble caps
All of these

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Process Equipment and Plant Design
In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter.

1/20-1/30th
1/2 to 1/4th
1/10-1/15th
1/5-1/10th

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Process Equipment and Plant Design
It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than

0.99
0.55
0.8
0.95

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Process Equipment and Plant Design
The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

Equal to
0.6-0.8 times
2 ft irrespective of (for column > 3 ft diameter)
Twice

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