An assembly has hole size 25.000 mm with upper/lower deviations +0.002/−0.001 mm and shaft size 25.000 mm with deviations +0.001/−0.003 mm. Identify the fit.
Hole limits are 24.999–25.002 mm; shaft limits are 24.997–25.001 mm. Maximum clearance = 25.002−24.997 = 0.005 mm; minimum clearance = 24.999−25.001 = −0.002 mm. Either clearance or interference can occur, so **transition fit, C**.
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