1. In forced vibrations the body vibrates under the influence of an applied force. |
2. In damped vibrations amplitude reduces over every cycle of vibration |
3. In torsional vibrations the disc moves parallel to the axis of shaft. |
4. in transverse vibrations the particles of the shaft moves approximately perpendicular to the axis of the shaft. |
A) 1, 2 and 3
B) 1, 3 and 4
C) 2, 3 and 4
D) 1, 2 and 4
Correct Answer: D
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