Bac F1 Burkina Faso Practice Questions - Baccalauréat Série F1 (Construction Mécanique) - Burkina Faso Exam

For a given nominal diameter, how does a change from IT7 to IT6 affect the tolerance?

The tolerance zone becomes wider, so manufacture is easier The fundamental deviation letter changes from H to h The fit type automatically becomes an interference fit The tolerance zone becomes narrower (higher precision, higher cost)

Correct Answer:

The tolerance zone becomes narrower (higher precision, higher cost)

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