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

1) Calculate the width of flat of buttress thread 6 mm pitch?

0.75 mm 1 mm 1.5 mm 2 mm

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

depth = 0.5 x pitch depth = 0.6134 x pitch depth = 0.6403 x pitch depth = 0.75 x pitch

3) What is calculated by formula 0.75 x pitch?

depth of square thread depth of metric thread depth of acme thread depth of buttress thread

4) Which device uses buttress thread?

Screw jack Lead screw of lathe Carpentry vice General purpose nut and bolt

5) Calculate the depth of buttress thread diameter 30 mm of pitch 3mm?

1.25 mm 1.5 mm 2.25 mm 3.00 mm