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

Frequently, more than one cutting edges are in action
The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge
The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool
All of these

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

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