Production Engineering MCQs

271. A better machinable metal is one which gives

lower chip-tool contact area and larger shear angle
higher chip-tool contact area and smaller shear angle
lower chip-tool contact area and smaller shear angle
higher chip-tool conta
✅ The correct answer is option A.

275. In down milling, the thickness of chip is

minimum at the beginning of the cut and maximum at the end of the cut
maximum at the beginning of the cut and minimum at the end of the cut
uniform throughout the cut
none of these
✅ The correct answer is option B.

280. Which of the following statement is correct for oblique cutting system?

The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool.
Frequently, more than one cutting edges are in action.
The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge.
all of the above
✅ The correct answer is option D.
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