Process Equipment and Plant Design Welded joint efficiency in the design of chemical process equipment is taken as 0.75 0.95 0.55 0.85 0.75 0.95 0.55 0.85 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 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 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 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 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) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the None of these Equal sized reactors are the best Larger reactor should come first Smaller reactor should come first None of these Equal sized reactors are the best Larger reactor should come first Smaller reactor should come first ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the Lower fixed charges for the column Greater cost for the condenser coolant Greater cost for the reboiler heat supply All of these Lower fixed charges for the column Greater cost for the condenser coolant Greater cost for the reboiler heat supply All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Preferably flow inside the tube for its easier internal cleaning Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Perferably flow outside the tube Flow at a very slow velocity Preferably flow inside the tube for its easier internal cleaning Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Perferably flow outside the tube Flow at a very slow velocity ANSWER DOWNLOAD EXAMIANS APP
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