Vibration IQ

Test your knowledge with our 5-question multiple choice quiz - and maybe learn some new things along the way. You can try it as often as you’d like.

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Created on By Rick Potratz

Vibration IQ Part One

1 / 5

Unbalance is a machine defect that typically affects what frequency?

2 / 5

Misalignment often causes a peak level of 2x turning speed vibration, but should be verified using:

3 / 5

An accelerometer senses _________ due to vibratory movement.

4 / 5

Phase Analysis is the measurement of machinery vibration based on electrical conditions.

5 / 5

In Vibration Analysis, TWF is an abbreviation of:

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Created on By Rick Potratz

Vibration IQ Part Two

1 / 5

_____ unbalance will cause a horizontal rotor to roll until the heavy spot is at the lowest position.

2 / 5

A Waterfall plot is the stack of several FFTs.

3 / 5

Misalignment between a motor and a pump often causes an elevated:

4 / 5

Structural Resonance is:

5 / 5

Misalignment will generate vibration amplitudes at which frequency(ies)?

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Created on By Rick Potratz

Vibration IQ Part Three

1 / 5

Which of the following is not a form of misalignment of the shaft centerline of rotation?

2 / 5

Which of the following will affect vibration amplitudes related to misalignment?

3 / 5

Which of the following is likely to be elevated in response to a misaligned 3-piece Jaw-type coupling?

4 / 5

Phase is a poor indicator of misalignment.

5 / 5

Which of the following is not a good indicator of a soft foot?

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