Process Equipment and Plant Design Stage efficiency for packed tower varies with the Operating pressure and column diameter Fluid rates and fluid properties Type & size of packing All of these Operating pressure and column diameter Fluid rates and fluid properties Type & size of packing 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) Flooding limit of the column None of these Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Flooding limit of the column None of these Maximum permissible vapour velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The buckling tendency of compression members is always in the direction of the Axis of the load Perpendicular to the axis of the load None of these Least radius of gyration Axis of the load Perpendicular to the axis of the load None of these Least radius of gyration ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? 0.8 1 (0.8)0.5 0.9 0.8 1 (0.8)0.5 0.9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Larger depth of liquid on the trays of a distillation column Leads to high tray efficiency Neither A nor B Both A & B Results in higher pressure drop per tray Leads to high tray efficiency Neither A nor B Both A & B Results in higher pressure drop per tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 55 20 5 35 55 20 5 35 ANSWER DOWNLOAD EXAMIANS APP
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