engineering recuitment BHEL Engineer Trainee Mock Test 2025 Mechanical Vibrations Damped Free Vibration Logarithmic Decrement
In under damped vibrating system, if x1 and x2 are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to
1
\(\frac{{x1}}{{x2}}\)
2
\(\log \left( {\frac{{x1}}{{x2}}} \right)\)
3
\({\log _e}\left( {\frac{{x2}}{{x1}}} \right)\)
4
log (x1.x2)