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chemical engineering process equipment and plant design
1. Bubble cap tray is the most commonly used tray in large distillation column, because
(A): it eliminates the foaming and entrain-ment tendency during operation.
(B): it incurs less pressure drop as compared to any other try designed for the same duty.
(C): none of these.
(D): of its flexibility and nearly constant efficiency under varying conditions of operation.
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