Liquid gradient over a tray can be minimised by________________?
Correct answer: B. All A., B. and C.
- A. Providing a higher skirt clearance or a higher weir
- B. All A., B. and C.
- C. velocity of liquid flow past the caps or by reducing the distance along the tray through which
- D. the liquid must flow
- E. Using split flow, radial flow or cascade flow for column diameter large than 4 ft
- F. Decreasing the number of rows of caps through which the liquid flows or by decreasing the
Explanation
Liquid gradient is reduced by lowering liquid resistance and travel distance, for example by reducing cap rows, liquid velocity, or flow length. Split, radial, and cascade arrangements also help in large-diameter columns, so the combined choice is appropriate.
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