Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

Downcomer liquid seal in case of a balanced tray design
Skirt clearance for bubble caps
All of these
Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
Bubble cap tray is the most commonly used tray in large distillation column, because

Of its flexibility and nearly constant efficiency under varying conditions of operation
It eliminates the foaming and entrain-ment tendency during operation
It incurs less pressure drop as compared to any other try designed for the same duty
None of these

ANSWER DOWNLOAD EXAMIANS APP