engineering recuitment ECIL GET Mechanical Mock Test 2024 Mechanical Vibrations Undamped Free Vibration Resonance and Whirling
For an underdamped harmonic oscillator, resonance
1
occurs when excitation frequency is greater than undamped natural frequency
2
occurs when excitation frequency is less than undamped natural frequency
3
occurs when excitation frequency is equal to undamped natural frequency
4
never occurs