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Engine vibration monitoring is used principally to detect

  • A.Rotor imbalance and impending mechanical failure
  • B.Fuel flow variation
  • C.Changes in ambient temperature
  • D.Oil quantity loss

Answer: A

A blade shedding material or a bearing degrading changes the vibration signature before any other instrument responds. Because a rising trend matters more than an absolute value, the parameter is usually monitored over time rather than judged on one reading.

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