Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Vapour & liquid load both Running cost of steam for reboiler Running cost of cooling water for condenser Fixed charges initially Vapour & liquid load both Running cost of steam for reboiler Running cost of cooling water for condenser Fixed charges initially ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to ∞ 2 1 20.8 ∞ 2 1 20.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid Containing suspended solids flows at low velocity Is of high specific gravity Is highly viscous Containing suspended solids flows at high velocity Containing suspended solids flows at low velocity Is of high specific gravity Is highly viscous Containing suspended solids flows at high velocity 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 12 34 6 18 12 34 6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Vertical storage vessels are never supported by __________ support. Lug Bracket Saddle Skirt Lug Bracket Saddle Skirt 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. 0.5 to 1.5 2.5 to 4.0 10 to 15 5 to 10 0.5 to 1.5 2.5 to 4.0 10 to 15 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
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