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INDIAN INSTITUTE OF TECHNOLOGY GUWAHATI
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Column Tray Efficiency
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1.Inside a distillation column pressure :
Decreases from top to bottom
Increases from top to bottom
Remains constant
Can't be determined
2.More reflux means :
Less condenser duty
Less reboiler duty
More reboiler duty
None
3.Maximum no. of stages is obtained at :
Minimum reflux
Reflux ratio = 1
Reflux ratio = 0
Infinite reflux
4. Minimum no. of stages is obtained by which equation :
Underwood
Fenske's equation
Sherwood
Ergun
