Manufacturing And Production Technology
In ultrasonic machining, the metal is removed by

Using abrasive slurry between the tool and work
Erosion caused by rapidly recurring spark discharges between the tool and work
Maintaining an electrolyte between the work and tool in a very small gap between the two
Direct contact of tool with the work

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

All of these
The chip flows over the tool face and the direction of the chip flow velocity is normal to the cutting edge
The cutting edge clears the width of the workpiece on either ends
The cutting edge of the tool is perpendicular to the direction of tool travel

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