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 0.4-0.6 0.1-0.2 0.55-0.85 0.35-0.75 0.4-0.6 0.1-0.2 0.55-0.85 0.35-0.75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to 40% of the I.D. of the shell I.D. of the shell 5 cms 25 cms 40% of the I.D. of the shell I.D. of the shell 5 cms 25 cms ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by(where, Q = fluid flow rate, ft³/sec.ρ = fluid density, lb/ft³ μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches) Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 ρ0.13 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm. 23 27 25 26 23 27 25 26 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 Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder Neither A nor B Is easy to fabricate Has greater structural strength Both A & B Neither A nor B Is easy to fabricate Has greater structural strength Both A & B ANSWER DOWNLOAD EXAMIANS APP
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