Manufacturing And Production Technology
A fixture is defined as a device which

Holds and locates a workpiece and guides and controls one or more cutting tools
Is used to check the accuracy of workpiece
Holds and locates a workpiece during an inspection or for a manufacturing operation
All of these

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Manufacturing And Production Technology
Work speed of circular electrode of 220 mm diameter for carrying out seam welding at 4 welds per cm on 1.6 mm thick mild steel tube. Welding cycle consists of 3 cycles ‘on’ and 2 cycles ‘off’ Power supply is at 50 Hz. Calculate R.P.M. and energy requirement of the above circular electrodes assuming effective resistance between electrodes as 100 ohm.

22 rpm, 600 joules
6.8 rpm, 6 joules
5.03 rpm, 600 joules
2.17 rpm, 600 joules

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