Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 55 to 75 15 to 30 40 to 50 5 to 10 55 to 75 15 to 30 40 to 50 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to Low reflux ratio Excessive liquid gradient over the tray High gas velocity Low gas velocity Low reflux ratio Excessive liquid gradient over the tray High gas velocity Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
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 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The dust collection efficiency of a cyclone separator None of these Decreases with increase in gas flow rate Is directly proportional to the radius of the dust particle path Is inversely proportional to the mass of the dust particle None of these Decreases with increase in gas flow rate Is directly proportional to the radius of the dust particle path Is inversely proportional to the mass of the dust particle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Column support for the roof of cylindrical storage tank must be provided for All of these Small diameter tanks Small diameter tall tanks Large diameter tanks All of these Small diameter tanks Small diameter tall tanks Large diameter tanks ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of Making the joint leak proof None of these Preventing the local overstressing of the shell around the opening Reduction of discontinuity in shape at the junction Making the joint leak proof None of these Preventing the local overstressing of the shell around the opening Reduction of discontinuity in shape at the junction ANSWER DOWNLOAD EXAMIANS APP
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