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. 1/D
B. 1/D2
C. 1/D5
D. D2
A. Number of theoretical plates
B. Static submergence
C. Allowable vapour velocity
D. Length of straight rectangular weir on cross-flow tray
A. Gas flow rate
B. Electrode area
C. Both A. & B.
D. Neither A. nor B.
A. If its diameter is less than 15-20metres
B. If its diameter is more than 50 meters
C. If the thickness of the roof is more than that of the cylindrical shell
D. Irrespective of its diameter
A. Withstand higher pressure for a given metallic shell thickness
B. Be fabricated very easily
C. Be designed without wind load considerations
D. Be supported very easily
A. 0.01 to 1
B. 1.5 to 2.5
C. 5 to 10
D. 10 to 20
A. 0.1-0.12
B. 0.4-0.5
C. 0.45-0.6
D. 0.2-0.45
A. Brackets
B. Skirts
C. Columns
D. Saddles
A. Strain
B. Stress
C. Modular ratio
D. None of these