engineering recuitment GATE IN Test Series 2023-24 Mock Test Sensors and Industrial Instrumentation Measurement of Vibration
A seismic instrument has a natural frequency of 4 Hz and a damping ratio of 0.66. If the system is excited by a frequency 6 Hz, determine the error due to the proximity of excited frequency with natural frequency of the instrument.
1
3.9%
2
-5.4%
3
5.4%
4
-3.9%