10 QUESTIONS / LEVELS 1–4

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Try 10 selected questions spanning Levels 1–4: measurement, threads, shafts, bearings, fluid principles, inspection and vibration. Choose an answer, read the explanation and see how you do.

Measuring and layoutLEVEL 1 · 1/10

Which tool is best for checking roundness and runout on a rotating shaft?

Adapted from the app question bank

This is a website demo, not a screenshot or the full mobile app.

Put your knowledgeto work.

Which tool is best for checking roundness and runout on a rotating shaft?

Put your knowledge
to work.