PROCESS EQUIPMENT AND PLANT DESIGN QUIZ

All of these

Skirt clearance for bubble caps

Downcomer liquid seal in case of a balanced tray design

Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)

Gas viscosity

Gas density

Fibre selection

All of these

Pressure drop is reduced

It makes condenser compact

More thinner tubes can be used

It reduces heat transfer area

The pressure drop due to the caps & slots and the static submergence should be as high as practicable for reasonable operation

None of these

Tendency towards stable operation is increased by increasing the skirt clearance of the caps, lowering the rate of liquid flow per unit plate width or increasing the spacing between the caps

The dimensionless ratio of liquid gradient to pressure drop head caused by the bubble cap assembly should be less than 0.4

None of these

Low viscosity liquids (< 200 poise)

Large diameter tanks

High viscosity liquids (> 600 poise)

Slope & length

Rpm

Flights arrangement

All of these

0.1

0.25

0.5

0.8

100-150

20-40

1000-1500

43835

80-100

1-5

10-20

0.1-0.5

1.2

0.5

6.8

3.8