FY->Module-7 : OTHER FORMS OF THREAD - Practice Mode

1) Calculate the depth of buttress thread 60 mm diameter of 9 mm pitch?

4.75 mm 5.75 mm 6.75 mm 7.75 mm

Correct Answer: 6.75 mm

2) What is the relationship between pitch and depth of a square thread?

Depth is 1/4 pitch Depth is 1/2 pitch Depth is 3/4 pitch Depth is equal to pitch

Correct Answer: Depth is 1/2 pitch

3) What is the width of the tool to cut a square thread of 60 x 9 mm pitch?

4.5 mm 9.5 mm 9 mm 8.5 mm

Correct Answer: 4.5 mm

4) What is the width of the tool to cut square thread of 30 x 3 mm pitch?

3 mm 1.5 mm 6 mm 2 mm

Correct Answer: 1.5 mm

5) What is the core dia of square thread 62 x 10 mm pitch?

52.7 mm 52 mm 57.4 mm 56.45 mm

Correct Answer: 52 mm

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