Process Equipment and Plant Design High pressure fluid in a shell and tube heat exchanger should preferably be routed through the Shell side, if the flow is counter-current and tube side if the flow is co-current Tubes to avoid the expansion of high pressure shell construction Shell side for large overall heat transfer co-efficient Shell side for smaller total pressure drop Shell side, if the flow is counter-current and tube side if the flow is co-current Tubes to avoid the expansion of high pressure shell construction Shell side for large overall heat transfer co-efficient Shell side for smaller total pressure drop ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid Containing suspended solids flows at high velocity Is of high specific gravity Is highly viscous Containing suspended solids flows at low velocity Containing suspended solids flows at high velocity Is of high specific gravity Is highly viscous Containing suspended solids flows at low velocity 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 Reduce the discharge fluctuation Cool the liquid before it flows down Permit release of entrained vapour in the liquid Ensure better vapour-liquid contact Reduce the discharge fluctuation Cool the liquid before it flows down Permit release of entrained vapour in the liquid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Improve the flow condition Facilitate handling of large flow rate of liquid Decrease the pressure drop Increase the residence time Improve the flow condition Facilitate handling of large flow rate of liquid Decrease the pressure drop Increase the residence time ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, elliptical dished heads All of these Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m² Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter All of these Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m² Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is used to set the diameter of the distillation column? Allowable vapour velocity Number of theorectical plates Length of straight rectangular weir on cross-flow tray Static submergence Allowable vapour velocity Number of theorectical plates Length of straight rectangular weir on cross-flow tray Static submergence ANSWER DOWNLOAD EXAMIANS APP
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