engineering recuitment BHEL Engineer Trainee Mock Test 2025 Mechanical Vibrations Forced Vibration Damping Coefficient and Damping Ratio
For a vibrating system, the successive amplitudes of vibration obtained under free effects are 0.70, 0.28, 0.25, 0.23, and 0.067 respectively. The value of the damping ratio of the system is given by:
1
9.28
2
0.0928
3
0.00928
4
0.928