Balancing 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

Balancing IQ Part One

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A technical definition for a balanced rotor is:

2 / 5

Which ISO balance grade tolerance is the tightest?

3 / 5

Every rotor will have some residual unbalance because

4 / 5

Trial weights:

5 / 5

Imbalance will primarily affect which frequency?

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Created on By Rick Potratz

Balancing IQ Part Two

1 / 5

Which of the following conditions does not result in the unbalance?

2 / 5

In order to correct dynamic unbalance

3 / 5

Every rotor will have some residual unbalance because

4 / 5

Machinery resonance:

5 / 5

An out-of-balance condition is likely to cause:

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Created on By Rick Potratz

Balancing IQ Part Three

1 / 5

If we increase the speed of a rotor by 2x, the vibration related to imbalance should increase by:

2 / 5

A time-synchronous averaging filter is not as accurate as an analog filter set to sharp

3 / 5

Balancing using fixed locations refers to:

4 / 5

Precision balancing is more important for high-speed machinery than low-speed machinery

5 / 5

An out-of-balance condition is likely to cause:

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