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 Maximum permissible vapour velocity Flooding limit of the column Total cost consideration (fixed cost of the column plus the cooling water & steam cost) None of these Maximum permissible vapour velocity Flooding limit of the column ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation? None of these McCabe-Thiele's method Sorel-Lewis method Ponchon-Savarit method None of these McCabe-Thiele's method Sorel-Lewis method Ponchon-Savarit method ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hole diameter of the seive trays in the distillation column ranges from __________ mm. L to 3 4 to 8 12.5 to 18.5 3 to 12.5 L to 3 4 to 8 12.5 to 18.5 3 to 12.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm. 20 5 10 30 20 5 10 30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For identical situation, condensing film coefficient in case of a horizontal condenser is almost __________ the value expected in case of vertical condenser. Twice Half Five times Thrice Twice Half Five times Thrice ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to Low gas velocity Low reflux ratio Excessive liquid gradient over the tray High gas velocity Low gas velocity Low reflux ratio Excessive liquid gradient over the tray High gas velocity ANSWER DOWNLOAD EXAMIANS APP
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