Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 2.7 to 3 2.2 to 2.6 1.1 to 1.5 1.6 to 2 2.7 to 3 2.2 to 2.6 1.1 to 1.5 1.6 to 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 12.5 5 17.5 2.5 12.5 5 17.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a given design of bubble cap, the number of bubble caps to be used per tray is set by the Diameter of the column All of these Plate spacing Allowable gas velocity through the slots Diameter of the column All of these Plate spacing Allowable gas velocity through the slots ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is used to set the diameter of the distillation column? Allowable vapour velocity Static submergence Number of theorectical plates Length of straight rectangular weir on cross-flow tray Allowable vapour velocity Static submergence Number of theorectical plates Length of straight rectangular weir on cross-flow tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle? Flat plate extending across the wall Helical type baffle Segmental baffle Disk type baffle Flat plate extending across the wall Helical type baffle Segmental baffle Disk type baffle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lug support is meant for supporting __________ vessels. Large horizontal cylindrical Thick walled tall Small Tall but empty Large horizontal cylindrical Thick walled tall Small Tall but empty ANSWER DOWNLOAD EXAMIANS APP
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