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API 571 FOR API 570 ( VIBRATION INDUCED FATIGUE)
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Vibration Induced Fatigue affects:
All materials
Which of the following is not a factor of Vibration Induced Fatigue?
A) Inadequate supports
B) Vibration amplitude
C) Excessive stiffners
D) Operating pressure
E) Vibration frequency
D) Operating pressure
Vibration will occur in piping when:
The input frequencies are synchronous with the natural frequency
Which of the following piping is most affected by Vibration Induced Fatigue?
A) Small-bore piping at mechanical equipment
B) Small-bore piping in a piperack
C) large-bore column overhead line
D) Operating pressure
E) large-bore piping operating over 800 deg F
A) Small-bore piping at mechanical equipment
Which of the following does not prevent a failure by Vibration Induced Fatigue?
A) add vibration dampening devices
B) on small bore connections add gussets
C) upgrade materials "alloy up"
C) upgrade materials "alloy up"
Author
egf4201
ID
299879
Card Set
API 571 FOR API 570 ( VIBRATION INDUCED FATIGUE)
Description
API 571 FOR API 570 ( VIBRATION INDUCED FATIGUE)
Updated
2015-04-04T02:55:48Z
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