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 In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect. nth 1.5 nth 0.5 nth (1/n)th nth 1.5 nth 0.5 nth (1/n)th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Weep holes provided in the plates of a distillation column Facilitate draining out liquid from a tray when the unit is not in operation 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 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 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 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 Fresh water carrying pipelines in chemical industries are coloured with __________ color. Sea green Red Yellow Brown Sea green Red Yellow Brown ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes) None of these (D₂² - D₁²)/D₁² (D₂² - D₁²)/D₂² D₂ - D₁ None of these (D₂² - D₁²)/D₁² (D₂² - D₁²)/D₂² D₂ - D₁ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The buckling tendency of compression members is always in the direction of the Least radius of gyration Axis of the load None of these Perpendicular to the axis of the load Least radius of gyration Axis of the load None of these Perpendicular to the axis of the load ANSWER DOWNLOAD EXAMIANS APP
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