Process Equipment and Plant Design Weep holes provided in the plates of a distillation column Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation Facilitate draining out liquid from a tray when the unit is not in operation All of these Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation Facilitate draining out liquid from a tray when the unit is not in operation All of these Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise. 600 300 1500 1000 600 300 1500 1000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is 20 10 10 20 20 10 10 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Reflux ratio variation in a distillation column is between Minimum and infinity Zero and infinity None of these Zero and one Minimum and infinity Zero and infinity None of these Zero and one ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 25/NRe f = 0.22 NRe0.05 f = 16/NRe f = 0.04/NRe0.16 f = 25/NRe f = 0.22 NRe0.05 f = 16/NRe f = 0.04/NRe0.16 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT Increases very rapidly Increases linearly Remains constant Decreases very rapidly Increases very rapidly Increases linearly Remains constant Decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
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