Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 55 20 5 35 55 20 5 35 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 12.5 30.5 45.5 5.5 12.5 30.5 45.5 5.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always 1 Equal to the order of reaction < 1 >1 1 Equal to the order of reaction < 1 >1 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 All of these Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D 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 Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter All of these Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of the distillation column. If sufficient slot area is not provided, the gas may pass through the skirt clearance Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles None of these If sufficient slot area is not provided, the gas may pass through the skirt clearance Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around 0.35-0.75 0.4-0.6 0.1-0.2 0.55-0.85 0.35-0.75 0.4-0.6 0.1-0.2 0.55-0.85 ANSWER DOWNLOAD EXAMIANS APP
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