GATE XE (Engineering Sciences) 2024 - Question 28

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Section: Fluid Mechanics | Marks: 1

For incompressible, laminar, fully-developed flow through a circular pipe, Darcy friction factor and Fanning friction factor are represented as 𝑓 and 𝐢𝑓, respectively. Which one of the following options is correct?

  • A. 𝑓= 0.25𝐢𝑓
  • B. 𝑓= 0.5𝐢𝑓
  • C. 𝑓= 2𝐢𝑓
  • D. 𝑓= 4𝐢𝑓

Answer: D. 𝑓= 4𝐢𝑓

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