FE Civil Engineering Exam Prep #1

Which of the following definitions best describes water hammer?

Water hammer is the impulsive force of water that is stopped too quickly. In general, the maximum recommended average velocity in a closed pipeline is 5 feet/second. When the velocity of flow within a pipeline exceeds 5 feet/second, pressure surges may develop within the pipeline when flow is stopped suddenly. The rapid change in momentum of the water causes this impulsive force.

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