Manufacturing And Production Technology
In metal cutting operations, the shear angle is the angle made by the shear plane with the

Direction of the tool axis
Perpendicular to the direction of the tool axis
Central plane of the workpiece
Direction of tool travel

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Manufacturing And Production Technology
The effect of setting a boring tool above center height leads to

Increase in the effective rake angle and a decrease in the effective clearance angle
Increase in both effective rake angle and effective clearance angle
Decrease in the effective rake angle and an increase in the effective clearance angle
Decrease in both effective rake angle and effective clearance angle

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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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