Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 2.5 17.5 5 12.5 2.5 17.5 5 12.5 ANSWER DOWNLOAD EXAMIANS APP
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 A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap. 19 76 38 95 19 76 38 95 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A stuffing box is used for Prevention of fluid leakage around moving parts Facilitating smooth opening and closing of a valve Absorbing the contraction/expansion of pipeline due to temperature changes Reducing the resistance of fluid flow Prevention of fluid leakage around moving parts Facilitating smooth opening and closing of a valve Absorbing the contraction/expansion of pipeline due to temperature changes Reducing the resistance of fluid flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of Ideal trays required to the number of real trays required None of these Overall gas transfer units to the number of ideal trays required Real trays required to the number of ideal trays required Ideal trays required to the number of real trays required None of these Overall gas transfer units to the number of ideal trays required Real trays required to the number of ideal trays required ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter. 2.5 to 5 10 to 15 1.5 to 2 5 to 10 2.5 to 5 10 to 15 1.5 to 2 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
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