FY->Module-7 : OTHER FORMS OF THREAD - Quiz

1) What does BIS stand for?

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

2) Which is the angle of buttress thread?

30 Degree 45 Degree 55 Degree 60 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

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

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