Process Equipment and Plant Design Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower. 5-7.5 15-20 2.5-3.0 10-12.5 5-7.5 15-20 2.5-3.0 10-12.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) 4(P² - πd²/4)/πd (P² - πd²/4)/πd Πd/4P² 4P²/πd 4(P² - πd²/4)/πd (P² - πd²/4)/πd Πd/4P² 4P²/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shortest distance between two tubes is Called tube clearance None of these Called tube pitch More in case of triangular pitch as compared to square pitch of tube layout Called tube clearance None of these Called tube pitch More in case of triangular pitch as compared to square pitch of tube layout ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for Creating turbulence Fixing the tubes Reducing scale deposition Increasing pressure drop Creating turbulence Fixing the tubes Reducing scale deposition Increasing pressure drop 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. 30-35 43961 15-20 35-40 30-35 43961 15-20 35-40 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Weep holes provided in the plates of a distillation column All of these Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid Facilitate draining out liquid from a tray when the unit is not in operation All of these Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid Facilitate draining out liquid from a tray when the unit is not in operation ANSWER DOWNLOAD EXAMIANS APP
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