Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the 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 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 The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid) A/P 4 P/A 4 A/P √A A/P 4 P/A 4 A/P √A ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 1 80 8 180 1 80 8 180 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Speed of industrial paddle agitator ranges from __________ rpm. 20 to 100 1000 to 2000 500 to 750 1 to 5 20 to 100 1000 to 2000 500 to 750 1 to 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ of water makes it a widely used coolant in heat exchangers. High specific heat Low viscosity Low dirt factor Low corrosiveness High specific heat Low viscosity Low dirt factor Low corrosiveness ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is the best tube material from thermal conductivity point of view alone? Copper Aluminium Carbon steel Stainless steel Copper Aluminium Carbon steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP