Process Equipment and Plant Design In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the Liquid gradient on the tray Small downcomer liquid seal Lower skirt clearance Lower static submergence Liquid gradient on the tray Small downcomer liquid seal Lower skirt clearance Lower static submergence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about __________ times.the design pressure. 3 to 4 4 to 5 1.5 to 2 >5 3 to 4 4 to 5 1.5 to 2 >5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell Increases upwards May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Decreases upwards Remains same throughout Increases upwards May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Decreases upwards Remains same throughout 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 Drain the liquid from the tray when the unit is not in operation Allow for thermal expansion and facilitate installation None of these Avoid back-trapping Drain the liquid from the tray when the unit is not in operation Allow for thermal expansion and facilitate installation None of these Avoid back-trapping ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ shaped roof is most commonly used for cylindrical tanks. Flat Cone Dome Umbrella Flat Cone Dome Umbrella ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger Both B & C < 4 : 1 for gas-gas exchangers 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger Both B & C < 4 : 1 for gas-gas exchangers ANSWER DOWNLOAD EXAMIANS APP
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