Process Equipment and Plant Design What is the slope of the operating line in the rectifying section of a distillation coloumn? ∞ > 1 ∞ > 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to Low gas velocity Excessive liquid gradient over the tray Low reflux ratio High gas velocity Low gas velocity Excessive liquid gradient over the tray Low reflux ratio High gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? Murphree plate efficiency None of these Overall plate efficiency Point efficiency Murphree plate efficiency None of these Overall plate efficiency Point efficiency ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is D2/(d1 + d2) (d1 + d2)/d2 (d1 + d2)/d1 D1/(d1 + d2) D2/(d1 + d2) (d1 + d2)/d2 (d1 + d2)/d1 D1/(d1 + d2) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 17.5 2.5 12.5 5 17.5 2.5 12.5 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends. Equal to More than Either B or C; depends on maximum permissible internal pressure Less than Equal to More than Either B or C; depends on maximum permissible internal pressure Less than ANSWER DOWNLOAD EXAMIANS APP
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