Process Equipment and Plant Design Back-trapping in a distillation column results due to Low gas velocity Excessive liquid gradient over the tray High gas velocity Low reflux ratio Low gas velocity Excessive liquid gradient over the tray High gas velocity Low reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column. 600 to 700 50 to 100 100 to 150 250 to 500 600 to 700 50 to 100 100 to 150 250 to 500 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as 0.25 0.5 0.1 0.8 0.25 0.5 0.1 0.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Employs high velocity, high heat transfer rate and less heating surface requirement Both B & C Is economical in operation Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Employs high velocity, high heat transfer rate and less heating surface requirement Both B & C Is economical in operation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The necessary wall thickness for a metallic storage vessel is a function of the Ultimate tensile strength (or yield point) of the material and operating temperature Diameter of the vessel Operating pressure and welding/joint efficiency All of these Ultimate tensile strength (or yield point) of the material and operating temperature Diameter of the vessel Operating pressure and welding/joint efficiency All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 0.04/NRe0.16 f = 16/NRe f = 0.22 NRe0.05 f = 25/NRe f = 0.04/NRe0.16 f = 16/NRe f = 0.22 NRe0.05 f = 25/NRe ANSWER DOWNLOAD EXAMIANS APP
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