Process Equipment and Plant Design The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from 0.5 to 1 1.5 to 2 1 to 1.5 2 to 2.5 0.5 to 1 1.5 to 2 1 to 1.5 2 to 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Running cost of cooling water for condenser Fixed charges initially Vapour & liquid load both Running cost of steam for reboiler Running cost of cooling water for condenser Fixed charges initially Vapour & liquid load both Running cost of steam for reboiler ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In perforated plate towers, the Hole sizes may be around 1/8" or 3/16" Pressure drop is less compared is similar bubble cap towers All of these Total hole area may be around 6 to 15% of tower cross-sectional area Hole sizes may be around 1/8" or 3/16" Pressure drop is less compared is similar bubble cap towers All of these Total hole area may be around 6 to 15% of tower cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Brass valves are usually made for pipe sizes __________ inches. ?2 >2.5 ?1 >3.5 ?2 >2.5 ?1 >3.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the Small downcomer liquid seal Lower skirt clearance Lower static submergence Liquid gradient on the tray Small downcomer liquid seal Lower skirt clearance Lower static submergence Liquid gradient on the tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. . 1.2 0.5 6.8 3.8 1.2 0.5 6.8 3.8 ANSWER DOWNLOAD EXAMIANS APP
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