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 Lower skirt clearance Liquid gradient on the tray Lower static submergence Small downcomer liquid seal Lower skirt clearance Liquid gradient on the tray Lower static submergence Small downcomer liquid seal ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is Cither A or B; depends upon the I.D. of the pipe Same Less More Cither A or B; depends upon the I.D. of the pipe Same Less More ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. . 3.8 6.8 0.5 1.2 3.8 6.8 0.5 1.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Width and depth of grooves in the tube sheet holes normally are __________ inch respectively. 1/2 and 8 1/2 and 5 1/8 and 1/64 1/64 and 1/8 1/2 and 8 1/2 and 5 1/8 and 1/64 1/64 and 1/8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Floating head heat exchangers are used for the Cases where temperature difference between the shell and the tubes is more (>50°C) Counter-current heat transfer systems Heat transfer between corrosive fluids Co-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Counter-current heat transfer systems Heat transfer between corrosive fluids Co-current heat transfer systems ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 3√t D = 1.6 √t D = 1.1 t D = 1.5 t D = 3√t D = 1.6 √t D = 1.1 t D = 1.5 t ANSWER DOWNLOAD EXAMIANS APP
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