Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 8 80 180 1 8 80 180 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the Trouton's rule is applicable Liquid/vapor loading across the column remains constant Sensible heat differences are small, because the temperature changes from tray to tray is small All of these Trouton's rule is applicable Liquid/vapor loading across the column remains constant Sensible heat differences are small, because the temperature changes from tray to tray is small All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the Total cost consideration (fixed cost of the column plus the cooling water & steam cost) None of these Flooding limit of the column Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) None of these Flooding limit of the column Maximum permissible vapour velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability. 5 15 2 10 5 15 2 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 5.5 12.5 45.5 30.5 5.5 12.5 45.5 30.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Width and depth of grooves in the tube sheet holes normally are __________ inch respectively. 1/8 and 1/64 1/2 and 8 1/64 and 1/8 1/2 and 5 1/8 and 1/64 1/2 and 8 1/64 and 1/8 1/2 and 5 ANSWER DOWNLOAD EXAMIANS APP
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