Production Engineering MCQs

401. Crater wear occurs mainly on the

[A]. nose part, front relief face and side relief face of the cutting tool
[B]. face of the cutting tool at a short distance from the cutting edge only
[C]. cutting edge only
[D]. front face only
✅ The correct answer is option B.

406. The facing is an operation of

[A]. bevelling the extreme end of a workpiece
[B]. embossing a diamond shaped pattern on the surface of a workpiece
[C]. reducing the diameter of a workpiece over a very narrow surface
[D]. machining the ends of a workpiece to produce a flat surface square with the axis
✅ The correct answer is option D.
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