Process Equipment and Plant Design Weep holes provided in the plates of a distillation column 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 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Correct use of 'factor of safety' is very important in equipment design. It is defined as the ratio of the Working stress to ultimate stress Ultimate stress to working stress None of these Ultimate stress to breaking stress Working stress to ultimate stress Ultimate stress to working stress None of these Ultimate stress to breaking stress ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is pd/2t pd/t pd/3t pd/4t pd/2t pd/t pd/3t pd/4t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower. Pressure and temperature Molal flow rate of vapour Vapour molecular weight All of these Pressure and temperature Molal flow rate of vapour Vapour molecular weight All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Two iron pipes of the same nominal diameter but different schedule numbers will have the same Inside diameter None of these Outside diameter Wall thickness Inside diameter None of these Outside diameter Wall thickness 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 4 to 8 2 to 3 3 to 5 6 to 12 4 to 8 2 to 3 3 to 5 6 to 12 ANSWER DOWNLOAD EXAMIANS APP
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