Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/10th 1/50th 1/20th 1/30th 1/10th 1/50th 1/20th 1/30th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 30.5 5.5 12.5 45.5 30.5 5.5 12.5 45.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter. 0.3 to 0.5 0.5 to 0.6 0.1 to 0.25 0.65 to 0.80 0.3 to 0.5 0.5 to 0.6 0.1 to 0.25 0.65 to 0.80 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 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a shell and tube heat exchanger, the corrosion allowance All of these For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For internal cover and tube sheet is provided on both the sides All of these For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For internal cover and tube sheet is provided on both the sides 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 > 20 < 50 < 30 > 7 < 15 < 7 > 20 < 50 < 30 > 7 < 15 < 7 ANSWER DOWNLOAD EXAMIANS APP
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