A. 25 and 60
B. 3 and 5
C. 100 and 250
D. 250 and 600
A. Lower limit of vapour velocity
B. Upper limit of the vapour velocity
C. Hole diameter of the sieve tray
D. Height of the plate spacing
Diameter of the sieve tray column is determined by the_________________? Read More »
Process Equipment and Plant Design A. 5.5
B. 12.5
C. 30.5
D. 45.5
Maximum acceptable total liquid gradient over a tray is about _______________ mm? Read More »
Process Equipment and Plant Design A. 19
B. 38
C. 67
D. 95
A. From rolled strips formed into cylinders and seam-welded
B. By extrusion & casting into static and centrifugal molds
C. By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer
point and further reducing it by rolling gas drawing
D. Both B. and C.
Seamless pipe is made________________? Read More »
Process Equipment and Plant Design A. d1/(d1 + d2)
B. d2/(d1 + d2)
C. (d1 + d2)/d1
D. (d1 + d2)/d2
A. Viscosity of the fluid
B. Density of the fluid
C. Total cost considerations (pumg cost plus fixed cost of the pipe)
D. None of these
Optimum economic pipe diameter for fluid flow is determined by the____________________? Read More »
Process Equipment and Plant Design 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
