Q. An intentional difference between the hole and shaft dimension for any type of fit is called
Solution:
Tolerance
tolerance is the permissible variation in the dimension of a component (hole or shaft), Tolerance has both lower and higher limit. A dimension within the limit is acceptable in the sampling process.
Allowance
allowance is the prescribed difference between dimension of two mating parts. It is the intentional difference between the lower limit of the hole and the higher limit of the shaft.
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