Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 250 650 750 450 250 650 750 450 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area. 5 to 10 10 to 15 0.5 to 1.5 2.5 to 4.0 5 to 10 10 to 15 0.5 to 1.5 2.5 to 4.0 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A claming section before the liquid flows into the downcomer is privided to Ensure better vapour-liquid contact Cool the liquid before it flows down Permit release of entrained vapour in the liquid Reduce the discharge fluctuation Ensure better vapour-liquid contact Cool the liquid before it flows down Permit release of entrained vapour in the liquid Reduce the discharge fluctuation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The function of manholes provided in the shell of a distillation column is to Keep a check on the liquid gradient over the plate by direct visual observation Guard against foaming & entrainment by dumping antifoaming agent through it Give access to the individual trays for cleaning, maintenance and installation All of these Keep a check on the liquid gradient over the plate by direct visual observation Guard against foaming & entrainment by dumping antifoaming agent through it Give access to the individual trays for cleaning, maintenance and installation All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the agitators, the power required will be changed with the increase of diameter of agitator (D) as D² D⁵ D⁹ D D² D⁵ D⁹ D ANSWER DOWNLOAD EXAMIANS APP
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