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Fitter Set-2
Drilling
3

Drilling MCQ with Answers

3) What is the purpose of clearance angle in twist drill?

Prevent rough holes

Prevent over size holes

Prevent unequal angle of cutting edges

Prevent friction of drill behind the cutting edges

Answer is:

Prevent friction of drill behind the cutting edges

Drilling MCQ with Answers

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Related Drilling MCQ with Answers

4) What is the angle of counter sinking for riveting?

75 Degree

80 Degree

90 Degree

120 Degree

Answer is:

75 Degree

5) What is the reason for over heated drill while drilling?

Drill held not correctly

Work is not rigidly he

Clearance angle is incorrect

Flutes are clogged with chips

Answer is:

Clearance angle is incorrect

6) What is the name of the operation to enlarge the hole for given depth?

Reaming

Spot facing

Counter boring

Counter sinking

Answer is:

Counter boring

What is the name of the operation to enlarge the hole for given depth?

7) What will happen if the clearance angle of drill is more?

Cutting edge will be blunt

Cutting edge will not be sharp

Cutting edge will become weak

Cutting edge will not cut material

Answer is:

Cutting edge will become weak

Drilling MCQ with Answers

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