Process Equipment and Plant Design Weep holes provided in the plates of a distillation column Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid Facilitate draining out liquid from a tray when the unit is not in operation All of these Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid Facilitate draining out liquid from a tray when the unit is not in operation All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open globe value may be around 10 75 300 25 10 75 300 25 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the Lower skirt clearance Liquid gradient on the tray Small downcomer liquid seal Lower static submergence Lower skirt clearance Liquid gradient on the tray Small downcomer liquid seal Lower static submergence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 35 20 5 55 35 20 5 55 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The stress developed in a material without any permanent set is called the Ultimate stress Elastic limit Yield stress Breaking stress Ultimate stress Elastic limit Yield stress Breaking stress ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the slope of the operating line in the stripping section of a distillation column? < 1 > 1 ? < 1 > 1 ? ANSWER DOWNLOAD EXAMIANS APP
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