Process Equipment and Plant Design Weep holes provided in the plates of a distillation column All of these Facilitate draining out liquid from a tray when the unit is not in 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 Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation All of these Facilitate draining out liquid from a tray when the unit is not in 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 Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 1 8 80 180 1 8 80 180 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Reflux ratio variation in a distillation column is between Zero and one Minimum and infinity Zero and infinity None of these Zero and one Minimum and infinity Zero and infinity None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum allowable vapour velocity in a bubble cap tower is determined by the Entrainment considerations None of these Vapour density Diameter of the column Entrainment considerations None of these Vapour density Diameter of the column ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Spherical shaped pressure vessel is considered to be the most ideal, because it can Be supported very easily Be designed without wind load considerations Withstand higher pressure for a given metallic shell thickness Be fabricated very easily Be supported very easily Be designed without wind load considerations Withstand higher pressure for a given metallic shell thickness Be fabricated very easily ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Increase the residence time Decrease the pressure drop Facilitate handling of large flow rate of liquid Improve the flow condition Increase the residence time Decrease the pressure drop Facilitate handling of large flow rate of liquid Improve the flow condition ANSWER DOWNLOAD EXAMIANS APP
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