Process Equipment and Plant Design Back-trapping in a distillation column results due to Excessive liquid gradient over the tray Low reflux ratio High gas velocity Low gas velocity Excessive liquid gradient over the tray Low reflux ratio High gas velocity Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hold up of material in a operating rotary drier is in the range of 0.25 to 0.50 0.05 to 0.15 0.5 to 0.8 0.8 to 0.9 0.25 to 0.50 0.05 to 0.15 0.5 to 0.8 0.8 to 0.9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing. 25-50 50-75 200-250 750-1000 25-50 50-75 200-250 750-1000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Fresh water carrying pipelines in chemical industries are coloured with __________ color. Sea green Red Brown Yellow Sea green Red Brown Yellow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Weep holes provided in the plates of a distillation column Facilitate draining out liquid from a tray when the unit is not in 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 Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation All of these Facilitate draining out liquid from a tray when the unit is not in 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 Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein Same Less More More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein Same Less More ANSWER DOWNLOAD EXAMIANS APP