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 In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be More than that for fluid flow Same as that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Less than that for fluid flow More than that for fluid flow Same as that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Less than that for fluid flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A claming section before the liquid flows into the downcomer is privided to Ensure better vapour-liquid contact Permit release of entrained vapour in the liquid Cool the liquid before it flows down Reduce the discharge fluctuation Ensure better vapour-liquid contact Permit release of entrained vapour in the liquid Cool the liquid before it flows down Reduce the discharge fluctuation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum plate efficiency is achieved in case of __________ flow. Reverse Cascade Cross Split Reverse Cascade Cross Split ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle? Disk type baffle Helical type baffle Flat plate extending across the wall Segmental baffle Disk type baffle Helical type baffle Flat plate extending across the wall Segmental baffle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column. 50 to 100 250 to 500 600 to 700 100 to 150 50 to 100 250 to 500 600 to 700 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
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