Manufacturing And Production Technology
In up milling, the thickness of chip is

Maximum at the beginning of the cut and minimum at the end of the cut
Uniform throughout the cut
None of these
Minimum at the beginning of the cut and maximum at the end of the cut

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Manufacturing And Production Technology
Calculate the weld per minute, 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.

600 welds/min, 1500 mm/min
3000 welds/min, 75 mm/min
22 welds/min, 55 mm/min
500 welds/min, 1250 mm/min

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