engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Mechanical Vibrations Damped Free Vibration
A vibration system consists of a mass of 175 kg, a spring stiffness 700 N/cm and damper with a damping coefficient of 7 Ncm-1sec. Damping factor of the system is:
1
0.15
2
0.25
3
0.2
4
0.1