Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 0.22 NRe0.05 f = 0.04/NRe0.16 f = 25/NRe f = 16/NRe f = 0.22 NRe0.05 f = 0.04/NRe0.16 f = 25/NRe f = 16/NRe ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The normal range of velocity of steam in pipes is __________ m/sec. 0.1-0.5 80-100 10-20 1-5 0.1-0.5 80-100 10-20 1-5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor. 43961 15-20 35-40 30-35 43961 15-20 35-40 30-35 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 An increase in relatived volatility for rectification columns All of these An increase in liquid viscosity Decrease in gas solubility for absorbers An increase in relatived volatility for rectification columns All of these An increase in liquid viscosity Decrease in gas solubility for absorbers ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The most common standard size of bubble caps used in industrial operation is 6" dia cap with 4" dia riser 4" dia cap with 8" dia riser 1" dia cap with 0.5" dia riser 8" dia cap with 1" dia riser 6" dia cap with 4" dia riser 4" dia cap with 8" dia riser 1" dia cap with 0.5" dia riser 8" dia cap with 1" dia riser 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 Avoid back-trapping Drain the liquid from the tray when the unit is not in operation None of these Allow for thermal expansion and facilitate installation Avoid back-trapping Drain the liquid from the tray when the unit is not in operation None of these Allow for thermal expansion and facilitate installation ANSWER DOWNLOAD EXAMIANS APP
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