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

30 microns
20 microns
60 microns
10 microns

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Manufacturing And Production Technology
In centreless grinding, work place centre will be

At the intersection of the line joining the wheel centres with the work place plane
Below the line joining the two wheel centres
On the line joining the two wheel centres
Above the line joining the two wheel centres

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