General Studies · Theory of Machines
What is the basic mathematical form of Dunkerley's equation used for finding the natural frequency (ωn) of a shaft carrying multiple rotor discs?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11ωn2 = 1ω12 - 1ω22 - ... - 1ωs2
- 21ωn2 = 1ω12 + 1ω22 + ... + 1ωs2✓
- 3ωn2 = ω12 + ω22 + ... + ωs2
- 41ωn2 = 1ω12 × 1ω22 × ... × 1ωs2
Correct answer
1ωn2 = 1ω12 + 1ω22 + ... + 1ωs2
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