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.Management Sciences
A. Providing a higher skirt clearance or a higher weir
B. Decreasing the number of rows of caps through which the liquid flows or by decreasing the
velocity of liquid flow past the caps or by reducing the distance along the tray through which
the liquid must flow
C. Using split flow, radial flow or cascade flow for column diameter large than 4 ft
D. All A., B. and C.
Related Mcqs:
- Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about _______________ mm Hg (referred to a 760 mm mercury barometer)?
- A. 250 B. 450 C. 650 D. 750...
- Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to _____________________?
- A. 5 cms B. 40% of the I.D. of the shell C. 25 cms D. I.D. of the shell...
- Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is____________?
- A. More B. Less C. Same D. More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein...
- Speed of the drum of the rotary vacuum filter normally ranges from _____________ rpm?
- A. 0.1 to 2 B. 5 to 7 C. 3 to 8 D. 8 to 15...
- In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon______________________?
- A. Baffle spacing B. Clearance C. Pitch D. None of these...
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