PE Naval Architecture Practice Questions - PE Naval Architecture Engineering Exam

Why can a local reinforcement around a machinery foundation still fail to solve a vibration problem?

Because vibration depends on stiffness, mass, damping, and excitation frequency, not on local thickness alone Because machinery vibration never interacts with hull structure Because local reinforcement always increases damping enough to end resonance Because the only valid vibration remedy is reducing paint thickness on nearby members

Correct Answer:

Because vibration depends on stiffness, mass, damping, and excitation frequency, not on local thickness alone

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