Manufacturing And Production Technology
The lip angle is the angle

Between the face of the tool and a line tangent to the machined surface at the cutting point
None of the listed here
Between the tool face and the ground end surface of flank
Made by the face of the tool and the plane parallel to the base of the cutting tool

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

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