Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering branch) would be Both B and C More than that for Tee (used as elbow, entering run) Around 90 Less than that for Tee (used as elbow, entering run) Both B and C More than that for Tee (used as elbow, entering run) Around 90 Less than that for Tee (used as elbow, entering run) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 30.5 5.5 45.5 12.5 30.5 5.5 45.5 12.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Is economical in operation Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement Is economical in operation Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency Decreases May increase or decrease depending upon the plate spacing Remains same Increases Decreases May increase or decrease depending upon the plate spacing Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Increase by 21.6 Increase by 1.8 Decrease by 22 None of these Increase by 21.6 Increase by 1.8 Decrease by 22 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of Real trays required to the number of ideal trays required None of these Overall gas transfer units to the number of ideal trays required Ideal trays required to the number of real trays required Real trays required to the number of ideal trays required None of these Overall gas transfer units to the number of ideal trays required Ideal trays required to the number of real trays required ANSWER DOWNLOAD EXAMIANS APP
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