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

1) What is the depth of square thread 60 x 5 mm pitch?

5 mm 2.5 mm 3 mm 4 mm

2) What is the core dia of square thread 75 x 11 mm pitch?

70 mm 60 mm 64 mm 65.8 mm

3) What is the reason for using ACME thread in lathe lead screw?

Easily available Manufacturing cost is less Enable easy engagement Suitable for big diameter thread

4) What will happen if threading tool is set below centre height?

Pitch will changed Difficult for catching Thread will be damaged Major diameter will changed

5) What is the reason for providing buttress thread in carpentry vice?

For better appearance For easy use For easy manufacturing Pressure acts at one flank