Process Equipment and Plant Design Reflux ratio variation in a distillation column is between Minimum and infinity Zero and infinity None of these Zero and one Minimum and infinity Zero and infinity None of these Zero and one ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 2.2 to 2.6 1.1 to 1.5 1.6 to 2 2.7 to 3 2.2 to 2.6 1.1 to 1.5 1.6 to 2 2.7 to 3 ANSWER DOWNLOAD EXAMIANS APP
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 With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT Increases linearly Increases very rapidly Decreases very rapidly Remains constant Increases linearly Increases very rapidly Decreases very rapidly Remains constant ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the Lower fixed charges for the column Greater cost for the reboiler heat supply Greater cost for the condenser coolant All of these Lower fixed charges for the column Greater cost for the reboiler heat supply Greater cost for the condenser coolant All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? (0.8)0.5 1 0.9 0.8 (0.8)0.5 1 0.9 0.8 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS