Practice Quiz

Civil Engineering PE

Category - Hydraulics - Closed

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Which of the following formula and equations are used to estimate frictional head losses in steady pipe flow?
  1. Bernoulli equation
  2. Darcy Weisbach formula
  3. Hazen-Williams equation
  4. B. and C.
Explanation
Answer: D - Both the Darcy Weisbach formula and the Hazen-Williams equation can be used to estimate frictional head losses in steady pipe flow. The Darcy-Weisbach Formula is used to calculate pressure or head loss due to friction in a pipe system. The Hazen-Williams equation is used to take the physical properties of a pipe into account when determining the pressure drop due to friction. The Bernoulli Equation describes the conservation of energy, an important law of fluid mechanics.
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