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

1) What is the thread depth of square thread SQ60x9?

4.5 mm 9.0 mm 18 mm 42 mm

Correct Answer: 4.5 mm

2) Which formula is used to find depth of ACME thread?

0.5 x pitch 0.6134 x pitch 0.6403 x pitch 0.75 x pitch

Correct Answer: 0.5 x pitch

3) Which type thread is used in lathe lead screw?

Metric Buttress Square ACME

Correct Answer: ACME

4) Which formula is to find crest width of ACME thread?

0.317 x pitch 0.335 x pitch 0.5 x pitch 0.75 x pitch

Correct Answer: 0.317 x pitch

5) Calculate the flat width of 10 mm pitch buttress thread?

1.25 mm 2.25 mm 3.25 mm 4.25 mm

Correct Answer: 1.25 mm

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