Vibration Analysis Questions and Answers
Learn the vibration analysis with our 50 questions and answers covering theoretical concepts, and practical experience.
** Video Topics **
00:00 What is the heavy point in vibration analysis?
00:27 How does unbalance affect a rotating object?
00:54 What is a subharmonic frequency?
01:21 How is the Discrete Fourier Transform used in vibration analysis?
01:48 What is displacement in vibration analysis?
02:15 What is phase in vibration signals?
02:42 What is a Hanning window used for in vibration analysis?
03:09 How is Fast Fourier Transform (FFT) used in vibration analysis?
03:36 How is phase difference important in vibration analysis?
04:03 What does amplitude measure in vibration analysis?
04:30 How is Power Spectral Density (PSD) used in vibration analysis?
04:57 What is noise in vibration signals?
05:24 What are harmonics in vibration analysis?
05:51 What is spectral leakage in frequency analysis?
06:18 What does time waveform analysis reveal in vibration data?
06:45 How is acceleration relevant in vibration analysis?
07:12 What is an accelerometer used for?
07:39 What role does a gyroscope play in vibration analysis?
08:06 What is the significance of sensor placement in vibration analysis?
08:33 What are MEMS sensors in vibration analysis?
09:00 What is misalignment in machinery?
09:27 How is balancing achieved in rotating machinery?
09:54 What does a balanced condition indicate in vibration analysis?
10:21 What is gear mesh frequency, and why is it important?
10:48 What is an order in vibration analysis?
11:15 What is mechanical looseness in machinery?
11:42 What is mechanical eccentricity in rotating machinery?
12:09 What is mechanical secretion in vibration analysis?
12:36 What is harmonic balancing in rotating machinery?
13:03 What is vibration spectrum analysis?
13:30 How does Time Synchronous Averaging (TSA) work in vibration analysis?
13:57 What is phase-resolved analysis in vibration monitoring?
14:24 What is modal analysis used for in vibration studies?
14:51 What is mode shape in vibration analysis?
15:18 What is modal damping, and why is it important?
15:45 What is condition monitoring in predictive maintenance?
16:12 How does condition-based maintenance (CBM) use vibration data?
16:39 How is thermography used in vibration analysis?
17:06 What is ultrasonic testing in machinery maintenance?
17:33 What is a baseline spectrum in vibration monitoring?
18:00 What is a trend in vibration analysis?
18:27 What are oil whirl and oil whip in bearing analysis?
18:54 What is harmonic analysis in vibration studies?
19:21 What is resonance in vibration analysis?
19:48 What are critical speeds in rotating machinery?
20:15 What is a criticality index in machinery maintenance?
20:42 What is the crest factor in vibration signals?
21:09 What is enveloping in vibration analysis?
21:36 What is transient vibration?
22:03 What is the frequency response function (FRF)?
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