A. d1/(d1 + d2)
B. d2/(d1 + d2)
C. (d1 + d2)/d1
D. (d1 + d2)/d2
Process Equipment and Plant Design
Process Equipment and Plant Design
A. Viscosity of the fluid
B. Density of the fluid
C. Total cost considerations (pumping cost plus fixed cost of the pipe)
D. None of these
A. 0.25
B. 0.50
C. 0.75
D. 1.25
A. Diameter of the bubble cap column
B. Diameter of the sieve plate column
C. Tray pressure drop
D. Residence time in the downcomer for the disengagement of entrained vapour
A. 50 to 100
B. 100 to 150
C. 250 to 500
D. 600 to 700
A. Equal to
B. More than
C. Less than
D. Either B. or C.; depends on maximum permissible internal pressure
A. ∞
B. 1
C. 20.8
D. 2
A. Only if the opening is on spherical vessel
B. Only if the opening is on a vertical cylindrical vessel
C. Only if the opening is on a horizontal cylindrical vessel
D. Irrespective of the shape of the vessel
A. Less than that for Tee (used as elbow, entering run)
B. More than that for Tee (used as elbow, entering run)
C. Around 90
D. Both B. and C.
A. Sensible heat differences are small, because the temperature changes from tray to tray is small
B. Trouton’s rule is applicable
C. Liquid/vapor loading across the column remains constant
D. All A., B. and C.
