Process Equipment and Plant Design Back-trapping in a distillation column results due to Low reflux ratio High gas velocity Low gas velocity Excessive liquid gradient over the tray Low reflux ratio High gas velocity Low gas velocity Excessive liquid gradient over the tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. Equal to Twice 0.6-0.8 times 2 ft irrespective of (for column > 3 ft diameter) Equal to Twice 0.6-0.8 times 2 ft irrespective of (for column > 3 ft diameter) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering run) would be around 60 200 5 350 60 200 5 350 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be __________ times. About 3 Considerably more than 9 About 9 Considerably less than 9 About 3 Considerably more than 9 About 9 Considerably less than 9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter. 1.5 to 2 10 to 15 2.5 to 5 5 to 10 1.5 to 2 10 to 15 2.5 to 5 5 to 10 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 Plate spacing Diameter of the column Allowable gas velocity through the slots All of these Plate spacing Diameter of the column Allowable gas velocity through the slots All of these ANSWER DOWNLOAD EXAMIANS APP
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