Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 17.5 5 12.5 2.5 17.5 5 12.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 18 34 6 12 18 34 6 12 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is 0 ∞ Minimum 1 0 ∞ Minimum 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thermal stress in a metallic bar does not depend upon the Both A & B Neither A nor B Changes in temperature Cross-sectional area Both A & B Neither A nor B Changes in temperature Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder Has greater structural strength Neither A nor B Both A & B Is easy to fabricate Has greater structural strength Neither A nor B Both A & B Is easy to fabricate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre. 0.2-0.5 0.1-0.2 0.4-0.9 1.2-1.5 0.2-0.5 0.1-0.2 0.4-0.9 1.2-1.5 ANSWER DOWNLOAD EXAMIANS APP