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Chemical Engineering · Q29

Process Equipment And Plant Design

Engineering and GATE · Chemical Engineering · question 29

Q29

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 Q0.450.13
Answer
B.
Di, opt = 3.9 Q0.450.95
C.
Di, opt = 4.7 Q0.363.2ρ0.13
D.
Di, opt = 3 Q0.360.88

Answer: Option A

Solution

Answer: Option A
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