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

1) What does BIS stand for?

Bureau of international standard Bureau of Indian standard Bureau of international society Bureau of Indian society

Correct Answer: Bureau of Indian standard

2) Which is the angle of buttress thread?

30 Degree 45 Degree 55 Degree 60 Degree

Correct Answer: 45 Degree

3) Which formula is used to find crest width of a buttress thread?

0.125 x pitch 0.317 x pitch 0.335 x pitch 0.5 x pitch

Correct Answer: 0.125 x pitch

4) Which formula is used to find root width of a buttress thread?

0.125 x pitch 0.317 x pitch 0.335 x pitch 0.5 x pitch

Correct Answer: 0.125 x pitch

5) Which formula is used to find depth of buttress thread?

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

Correct Answer: 0.75 x pitch

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