Chemical Engineering Mcqs

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) ?

(A)  Di, opt = 3.9 Q0.45 ρ0.13

(B)  Di, opt = 3.9 Q0.45. μ0.95

(C)  Di, opt = 4.7 Q0.36. μ3.2ρ0.13

(D)  Di, opt = 3 Q0.36. μ0.88

Submitted By :Ali Uppal

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