Process Equipment and Plant Design Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around 0.4-0.6 0.1-0.2 0.55-0.85 0.35-0.75 0.4-0.6 0.1-0.2 0.55-0.85 0.35-0.75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 12.5 17.5 2.5 5 12.5 17.5 2.5 5 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 reboiler heat supply Greater cost for the condenser coolant All of these Lower fixed charges for the column Greater cost for the reboiler heat supply Greater cost for the condenser coolant All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Frame thickness in the plate and frame filter press is normally in the range of __________ inches. 0.25 to 4 1 to 12 1 to 5 0.25 to 8 0.25 to 4 1 to 12 1 to 5 0.25 to 8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In inclined long tube vertical evaporators, the tubes are inclined at an angle of 45° 60° 90° 15° 45° 60° 90° 15° ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the Central dished section and straight flange section Central dished section and corner torus section Corner torus section and central dished section Straight flange section and corner torus section Central dished section and straight flange section Central dished section and corner torus section Corner torus section and central dished section Straight flange section and corner torus section ANSWER DOWNLOAD EXAMIANS APP
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