BASIC FITTING - Practice Mode

1) In the ISO metric thread, calculate the tap drill size for M 10 x 1.5 thread.

8.2 mm 8.7 mm 8.75 mm 8.65 mm

Correct Answer: 8.2 mm

2) What is the unit of feed in drilling operation?

m/rev mm/rev m/min mm/min

Correct Answer: mm/rev

3) What is the accuracy of protractor head in combination set?

1 Degree 5 Degree 5 Minutes 5 Seconds

Correct Answer: 1 Degree

4) What is the accuracy of a try square?

0.02 mm per 10 mm length 0.004 mm per 10 mm length 0.002 mm per 10 mm length 0.001 mm per 10 mm length

Correct Answer: 0.002 mm per 10 mm length

5) Which punch is used for witness marks?

Dot punch Pin punch Bell punch Centre punch

Correct Answer: Dot punch

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