Manufacturing And Production Technology
Which of the following statement is correct for orthogonal cutting system?

The cutting edge of the tool is perpendicular to the direction of tool travel
All of these
The chip flows over the tool face and the direction of the chip flow velocity is normal to the cutting edge
The cutting edge clears the width of the workpiece on either ends

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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.

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

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