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The type of fit between a mating shaft of diameter 25.0^(+0.010)_(-0.010) mm and a hole of diameter 25.015^(+0.015)_(-0.015) mm is __________.

1. Clearance
2. Transition
3. Interference
4. Linear

Correct answer: Transition

Solution

Shaft 24.990-25.010, hole 25.000-25.030. Max clearance = 25.030-24.990 = +0.040 (clearance), min = 25.000-25.010 = -0.010 (interference). Since the assembly can give both clearance and interference, it is a transition fit.

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