engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Mechanical Vibrations Forced Vibration Damping Coefficient and Damping Ratio
If the damping coefficient is 10 Ns/m, mass of the body is 5 kg and the angular velocity is 240 rad/min, then damping ratio is:
1
0.250
2
0.004
3
0.050
4
0.008