Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the Flooding limit of the column Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) None of these Flooding limit of the column Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure? Strength of the vessel is same irrespective of the diameter Larger dia vessel Larger dia long vessel Smaller dia vessel Strength of the vessel is same irrespective of the diameter Larger dia vessel Larger dia long vessel Smaller dia vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head. Either A or B, whichever is smaller Either A or B, whichever is larger 6% of I.D. 3 times the thickness Either A or B, whichever is smaller Either A or B, whichever is larger 6% of I.D. 3 times the thickness ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Stage efficiency for packed tower varies with the All of these Operating pressure and column diameter Type & size of packing Fluid rates and fluid properties All of these Operating pressure and column diameter Type & size of packing Fluid rates and fluid properties ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the number of shell passes, the value of FT Remains same Decreases Increases Remains same, only if the number of tube passes does not change Remains same Decreases Increases Remains same, only if the number of tube passes does not change ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Fixed charges initially Running cost of steam for reboiler Running cost of cooling water for condenser Vapour & liquid load both Fixed charges initially Running cost of steam for reboiler Running cost of cooling water for condenser Vapour & liquid load both ANSWER DOWNLOAD EXAMIANS APP
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