Free CVA Vibration Measurement & Analysis Techniques Questions and Answers

Question 1

What is the primary purpose of vibration analysis?

Accepted Answer

Predict and prevent mechanical failures

Answer

Enhance paint quality.

Answer

Measure noise pollution.

Answer

Monitor fuel consumption.

Question 2

Which unit is vibration commonly measured in?

Accepted Answer

Velocity, acceleration, or displacement

Answer

Watts.

Answer

Decibels.

Answer

Hertz only.

Question 3

What is a common cause of high vibration in rotating equipment?

Accepted Answer

Unbalance in rotating parts

Answer

Color mismatch.

Answer

Excessive lubrication.

Answer

Battery overload.

Question 4

What tool is primarily used to measure vibration?

Accepted Answer

Accelerometer

Answer

Thermometer.

Answer

Barometer.

Answer

Speedometer.

Question 5

What does FFT stand for in vibration analysis?

Accepted Answer

Fast Fourier Transform

Answer

Fast File Transfer.

Answer

Full Frequency Test.

Answer

Frequency Field Test.

Question 6

What can misalignment in rotating machinery cause?

Accepted Answer

Increased vibration and damage

Answer

Lower energy use.

Answer

Better shaft balancing.

Answer

Less cooling required.

Question 7

Which frequency range typically indicates bearing defects?

Accepted Answer

High frequencies above 2 kHz

Answer

Low frequencies under 100 Hz.

Answer

Mid-range only.

Answer

Subsonic range.

Question 8

What is resonance in vibration analysis?

Accepted Answer

Amplified vibrations at natural frequency

Answer

Reduced movement due to dampening.

Answer

Sudden halt in rotation.

Answer

Loss of power.

Question 9

Why is baseline vibration data important?

Accepted Answer

To detect abnormal vibration trends early

Answer

For insurance purposes only.

Answer

To adjust daily production rates.

Answer

To speed up machine runtime.