Process Equipment and Plant Design Back-trapping in a distillation column results due to Excessive liquid gradient over the tray High gas velocity Low reflux ratio Low gas velocity Excessive liquid gradient over the tray High gas velocity Low reflux ratio Low gas velocity 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 Minimum ∞ 1 0 Minimum ∞ 1 0 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height. 43929 17-34 52-68 88-105 43929 17-34 52-68 88-105 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The normal range of velocity of water in pipes is __________ m/sec. 15-30 1-2 0.1-0.5 10-50 15-30 1-2 0.1-0.5 10-50 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, elliptical dished heads Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m² Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D All of these Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m² Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In inclined long tube vertical evaporators, the tubes are inclined at an angle of 60° 90° 45° 15° 60° 90° 45° 15° ANSWER DOWNLOAD EXAMIANS APP
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