The equation relating friction factor to Reynold number, f-0.5 = 4 loge (NRe/√f)-0.4, is called the __________ equation. Options: A . &nbspNikuradse B . &nbspVon-Karman C . &nbspBlausius D . &nbspColebrook

The equation relating friction factor to Reynold number, f-0.5 = 4 loge (NRe/√

Question

The equation relating friction factor to Reynold number, f-0.5 = 4 loge (NRe/√f)-0.4, is called the __________ equation.

Options:

A . Nikuradse

B . Von-Karman

C . Blausius

D . Colebrook

Answer: Option A

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