Process Equipment and Plant Design Back-trapping in a distillation column results due to High gas velocity Low reflux ratio Low gas velocity Excessive liquid gradient over the tray High gas velocity Low reflux ratio Low gas velocity Excessive liquid gradient over the tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the 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 Total cost consideration (fixed cost of the column plus the cooling water & steam cost) None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower? All of these Size, shape, orientation and surface of the packing particles Density and viscosity of fluids Fluid flow rates All of these Size, shape, orientation and surface of the packing particles Density and viscosity of fluids Fluid flow rates ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from 1 to 1.5 2 to 2.5 1.5 to 2 0.5 to 1 1 to 1.5 2 to 2.5 1.5 to 2 0.5 to 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The safe height (h) to diameter (d) ratio (i.e., h/d) for liquid/petro fuel storage tank of capacity more than 45 kilolitres is less than 3 1 3.5 2 3 1 3.5 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering run) would be around 5 60 200 350 5 60 200 350 ANSWER DOWNLOAD EXAMIANS APP
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