Manufacturing And Production Technology
When the metal is removed by erosion caused by rapidly recurring spark discharges between the tool and work, the process is known as

Electrochemical machining
None of these
Ultrasonic machining
Electro-discharge machining

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

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
All of these

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Manufacturing And Production Technology
The grooving is an operation of

Enlarging the end of a hole cylindrically
Reducing the diameter of a workpiece over a very narrow surface
Embossing a diamond shaped pattern on the surface of a workpiece
Beveling the extreme end of a workpiece

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