SSC JE Civil Engineering 2018 Set 3 Solved Paper

Question : 139 of 200

Marks: +1, -0

If Reynolds numbers are 1000,000, then what is the approximate value of friction for the smooth pipe?

Solution:

For smooth pipe, friction factor

(\f)=1/(Re)^{1/3}

\f=1/(1000000)^{1/3}

\f=1/100

[\f=0.01]

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