Process Equipment and Plant Design Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from 3.5-5.5 7.5-10.0 1.5-2.5 44119 3.5-5.5 7.5-10.0 1.5-2.5 44119 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 = 3.9 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 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ liquor is best handled in a long tube vertical evaporator. Viscous Foamy Salting Scaling Viscous Foamy Salting Scaling 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 Increases Remains same May increase or decrease depending upon the plate spacing Decreases Increases Remains same May increase or decrease depending upon the plate spacing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of None of these D/5 or minimum 2" to D D/2 or minimum 2" to 5D D/5 or minimum 2" to 5D None of these D/5 or minimum 2" to D D/2 or minimum 2" to 5D D/5 or minimum 2" to 5D ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube side heat transfer co-efficient for turbulent flow of liquid through tubes is proportional to G0.8 G0.5 G1.5 G0.2 G0.8 G0.5 G1.5 G0.2 ANSWER DOWNLOAD EXAMIANS APP
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