Process Equipment and Plant Design Maximum allowable vapour velocity in a bubble cap tower is determined by the Diameter of the column Entrainment considerations None of these Vapour density Diameter of the column Entrainment considerations None of these Vapour density ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap. 95 76 38 19 95 76 38 19 ANSWER DOWNLOAD EXAMIANS APP
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). 650 750 450 250 650 750 450 250 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower. Pressure and temperature All of these Vapour molecular weight Molal flow rate of vapour Pressure and temperature All of these Vapour molecular weight Molal flow rate of vapour ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to Low gas velocity High gas velocity Low reflux ratio Excessive liquid gradient over the tray Low gas velocity High gas velocity Low reflux ratio Excessive liquid gradient over the tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Correct use of 'factor of safety' is very important in equipment design. It is defined as the ratio of the Working stress to ultimate stress Ultimate stress to working stress Ultimate stress to breaking stress None of these Working stress to ultimate stress Ultimate stress to working stress Ultimate stress to breaking stress None of these ANSWER DOWNLOAD EXAMIANS APP
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