General Studies · Dynamics of Machinery
The critical speed of a turbine shaft is defined as the:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Maximum possible speed when the governor mechanism fails completely
- 2Speed equal to the synchronous speed of the electrical generator
- 3Speed that will cause immediate mechanical failure of the shaft due to shear
- 4Speed at which the natural frequency of transverse vibrations equals the rotational speed✓
Correct answer
Speed at which the natural frequency of transverse vibrations equals the rotational speed
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