Process Equipment and Plant Design Liquid gradient over the tray results due to the Large plate spacing Large reflux ratio Low gas velocity Resistance offered to flow of liquids by caps & risers and the flow of gas Large plate spacing Large reflux ratio Low gas velocity Resistance offered to flow of liquids by caps & risers and the flow of gas ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns. Less More Either A or B; no generalisation can be made Same Less More Either A or B; no generalisation can be made Same ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum allowable vapour velocity in a bubble cap tower is determined by the Entrainment considerations None of these Diameter of the column Vapour density Entrainment considerations None of these Diameter of the column Vapour density 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 None of these Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Flooding limit of the column Maximum permissible vapour velocity None of these Total cost consideration (fixed cost of the column plus the cooling water & steam cost) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the slope of the operating line in the rectifying section of a distillation coloumn? > 1 ∞ > 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap. 19 38 95 76 19 38 95 76 ANSWER DOWNLOAD EXAMIANS APP