Q.

The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft)

  • A2π. √(q/I)
  • B2π qI
  • C(1/2π). √(q/I)
  • D1/2π
Correct Answer : (C)

(1/2π). √(q/I)

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