Manufacturing And Production Technology
In a center lathe, the cutting tool is fed in ___ with reference to the lathe axis.

Any direction
Both cross and longitudinal direction
Cross direction only
Longitudinal direction only

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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.

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

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

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

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