API 571 FOR API 570 ( VIBRATION INDUCED FATIGUE)

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Author:
egf4201
ID:
299879
Filename:
API 571 FOR API 570 ( VIBRATION INDUCED FATIGUE)
Updated:
2015-04-03 22:55:48
Tags:
API 571 570 VIBRATION INDUCED FATIGUE
Folders:
API 571 FOR API 570 ( VIBRATION INDUCED FATIGUE)
Description:
API 571 FOR API 570 ( VIBRATION INDUCED FATIGUE)
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  1. Vibration Induced Fatigue affects:
    All materials
  2. Which of the following is not a factor of Vibration Induced Fatigue?
    A) Operating pressure
    B) Vibration amplitude
    C) Vibration frequency
    D) Excessive stiffners
    E)Inadequate supports
    A) Operating pressure
    (this multiple choice question has been scrambled)
  3. Vibration will occur in piping when:
    The input frequencies are synchronous with the natural frequency
  4. Which of the following piping is most affected by Vibration Induced Fatigue?
    A) large-bore column overhead line
    B) Small-bore piping in a piperack
    C) large-bore piping operating over 800 deg F
    D) Operating pressure
    E) Small-bore piping at mechanical equipment
    E) Small-bore piping at mechanical equipment
    (this multiple choice question has been scrambled)
  5. Which of the following does not prevent a failure by Vibration Induced Fatigue?
    A) upgrade materials "alloy up"
    B) on small bore connections add gussets
    C) add vibration dampening devices
    A) upgrade materials "alloy up"
    (this multiple choice question has been scrambled)

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