Process Equipment and Plant Design Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around 0.35-0.75 0.1-0.2 0.55-0.85 0.4-0.6 0.35-0.75 0.1-0.2 0.55-0.85 0.4-0.6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm. 0.1 to 2 3 to 8 5 to 7 8 to 15 0.1 to 2 3 to 8 5 to 7 8 to 15 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a long tube vertical evaporator. Tube dia is 3-6 cms, while tube length in 3-6 metres Liquor level is maintained at l/3rd to 1/2 of the height of the tube Steam is fed to the shell, whereas the liquor is filled inside the tube None of these Tube dia is 3-6 cms, while tube length in 3-6 metres Liquor level is maintained at l/3rd to 1/2 of the height of the tube Steam is fed to the shell, whereas the liquor is filled inside the tube None of these 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. 2 ft irrespective of (for column > 3 ft diameter) Twice 0.6-0.8 times Equal to 2 ft irrespective of (for column > 3 ft diameter) Twice 0.6-0.8 times Equal to ANSWER DOWNLOAD EXAMIANS APP
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 Lower skirt clearance Small downcomer liquid seal Lower static submergence Liquid gradient on the tray Lower skirt clearance Small downcomer liquid seal Lower static submergence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The shell side pressure drop in a shell and tube heat exchanger is maximum for __________ baffle. Orifice Independent of the type of Disk and ring Segmental Orifice Independent of the type of Disk and ring Segmental ANSWER DOWNLOAD EXAMIANS APP
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