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 Fixed charges initially Running cost of cooling water for condenser Running cost of steam for reboiler Vapour & liquid load both Fixed charges initially Running cost of cooling water for condenser Running cost of steam for reboiler ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An underdesigned steam trap will Destroy itself of acceleration wear due to rapid recycling None of these Waste steam Back up condensate and cause water hammer in steam line Destroy itself of acceleration wear due to rapid recycling None of these Waste steam Back up condensate and cause water hammer in steam line ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from 6 to 12 2 to 3 3 to 5 4 to 8 6 to 12 2 to 3 3 to 5 4 to 8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffle width is normally taken as __________ times the tank diameter. 0.4-0.5 0.1-0.12 0.2-0.45 0.45-0.6 0.4-0.5 0.1-0.12 0.2-0.45 0.45-0.6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to a shell and tube heat exchanger. Disk and doughnut baffle is the most commonly used baffle The maximum value of baffle spacing is equal to the I.D. of the shell The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these The minimum value of baffle spacing is 50 mm Disk and doughnut baffle is the most commonly used baffle The maximum value of baffle spacing is equal to the I.D. of the shell The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these The minimum value of baffle spacing is 50 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An adequate clearance between the tray and the shell wall of a distillation column is provided to Allow for thermal expansion and facilitate installation Drain the liquid from the tray when the unit is not in operation None of these Avoid back-trapping Allow for thermal expansion and facilitate installation Drain the liquid from the tray when the unit is not in operation None of these Avoid back-trapping ANSWER DOWNLOAD EXAMIANS APP
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