Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 80 8 1 180 80 8 1 180 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap plate column is A differential stage contactor A finite stage contactor A continuous contactor Used only for distillation, not for absorption A differential stage contactor A finite stage contactor A continuous contactor Used only for distillation, not for absorption ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a shell and tube heat exchanger, the corrosion allowance All of these For internal cover and tube sheet is provided on both the sides Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm All of these For internal cover and tube sheet is provided on both the sides Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by Decrease in gas solubility for absorbers An increase in relatived volatility for rectification columns An increase in liquid viscosity All of these Decrease in gas solubility for absorbers An increase in relatived volatility for rectification columns An increase in liquid viscosity All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency May increase or decrease depending upon the plate spacing Remains same Decreases Increases May increase or decrease depending upon the plate spacing Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An underdesigned steam trap will Waste steam None of these Back up condensate and cause water hammer in steam line Destroy itself of acceleration wear due to rapid recycling Waste steam None of these Back up condensate and cause water hammer in steam line Destroy itself of acceleration wear due to rapid recycling ANSWER DOWNLOAD EXAMIANS APP
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