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Fitter Set-2
Drilling
28

Drilling MCQ with Answers

28) What is the range of carbon content in cast iron alloy?

2 to 4%

5 to 9%

6 to 9%

10 to 12%

Answer is:

2 to 4%

Drilling MCQ with Answers

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Related Drilling MCQ with Answers

29) What is the operation of bevelling the end of a drilled hole ?

Reaming

Spot facing

Counter boring

Counter sinking

Answer is:

Counter sinking

What is the operation of bevelling the end of a drilled hole ?

30) What is the effect if clearance angle is incorrect?

Over sized holes

Over heated drills

Rough holes

Broken drill

Answer is:

Over heated drills

31) Which reamer is used for reaming internal Metric morse tapered holes?

Helical fluted reamer

Hand reamer with pilot

Taper pin hand reamer

Socket reamer with parallel shank

Answer is:

Socket reamer with parallel shank

32) Which reamer has a long taper lead?

Socket reamer

Hand reamer

Machine reamer

Helical fluted reamer

Answer is:

Hand reamer

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