Manufacturing And Production Technology
In an interchangeable assembly, shafts of size 25.000 -0.0100⁺⁰∙⁰⁴⁰ mm mate with holes of size 25.000 -0.010⁺⁰∙⁰²⁰ mm. The maximum possible clearance in the assembly will be

20 microns
30 microns
60 microns
10 microns

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Manufacturing And Production Technology
The strength of a brazed joint

Decreases up to certain gap between the two joining surfaces beyond which it increases
Increases up to certain gap between the two joining surfaces beyond which it decreases
Decreases with increase in gap between the two joining surfaces
Increases with increase in gap between the two joining surfaces

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