Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the Flooding limit of the column None of these Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Maximum permissible vapour velocity Flooding limit of the column None of these Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Maximum permissible vapour velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Raschig rings Cross-partition rings Lessig rings All of these Raschig rings Cross-partition rings Lessig rings All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffle spacing is generally __________ the I.D. of the shell. Not less than one fifth of Not greater than More than Both B and C Not less than one fifth of Not greater than More than Both B and C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following factors determine the amount of entrainment in a distillation column? Depth of liquid above the bubble cap slots Vapour velocity in the volume between the plates Plate spacing All of these Depth of liquid above the bubble cap slots Vapour velocity in the volume between the plates Plate spacing All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A stuffing box is used for Prevention of fluid leakage around moving parts Facilitating smooth opening and closing of a valve Reducing the resistance of fluid flow Absorbing the contraction/expansion of pipeline due to temperature changes Prevention of fluid leakage around moving parts Facilitating smooth opening and closing of a valve Reducing the resistance of fluid flow Absorbing the contraction/expansion of pipeline due to temperature changes ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is < 30 > 7 < 15 > 20 < 50 < 7 < 30 > 7 < 15 > 20 < 50 < 7 ANSWER DOWNLOAD EXAMIANS APP
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