Workshop Technology
The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is

Outside micrometer
Inside micrometer
Vernier caliper
Depth gauge micrometer

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Workshop Technology
In a compound die

Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
Two or more operations are performed simultaneously at the single stroke of the ram
Two or more cutting operations are performed at one station of the press in every stroke of the ram
Only one operation is performed at each stroke of the ram

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