Category: Process Equipment and Plant Design

A. Plate spacing
B. Depth of liquid above the bubble cap slots
C. Vapour velocity in the volume between the plates
D. All A., B. and C.

A. nth
B. (1/n)th
C. 0.5 nth
D. 1.5 nth

A. 250
B. 450
C. 650
D. 750

A. Characteristic of process fluid
B. Velocity of process fluid containing suspended solids
C. Suspended solids in the fluid
D. All A., B. and C.

A. Disk and ring
B. Segmental
C. Orifice
D. Independent of the type of

A. Aa = Sa
B. 1.2 Aa = 1.2 Sa
C. Sa = 1.5 Aa
D. Aa = 1.5 Sa

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

A. Hemispherical
B. Torispherical
C. Conical or flat plate
D. Elliptical

A. 1.5-2.5
B. 3.5-5.5
C. 7.5-10.0
D. 10-15

A. Leads to high tray efficiency
B. Results in higher pressure drop per tray
C. Both A. & B.
D. Neither A. or B.