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1.
Find the displacement in mm of the free longitudinal vibrations if the Natural frequency is 15 Hz.
2.
Find the natural frequency in Hz of the free longitudinal vibrations if the displacement is 2mm.
3.
When the particles of the shaft or disc move parallel to the axis of the shaft, then the vibrations are known as ___________ .
4.
For the same dimensions of the shaft which of the following has the greater natural frequency?
5.
Which of the following method is not used to determine the frequency for free vibration?
6.
For the same dimensions of a beam, transverse vibrations have a ______ frequency than longitudinal frequency.
7.
When the particles of the shaft or disc move approximately perpendicular to the axis of the shaft, then the vibrations are known as ___________ .
8.
When the particles of the shaft or disc move in a circle about the axis of the shaft, then the vibrations are known as ___________ .
9.
When the body vibrates under the influence of external force, then the body is said to be under ___________ .
10.
When a body is subjected to torsional vibrations, the stress induced in a body will be