THREAD CUTTING 2 - Quiz

1) What is the lead of M 10 x 1.5 double start thread?

2 mm 3 mm 3.5 mm 4 mm

2) How multi start threads are specified?

By stating dia and pitch By stating dia and angle of thread By stating core dia and pitch By stating dia, pitch, and no. of start

3) What is the formula for pitch diameter of thread?

Major diameters - single depth Major diameters - 2 depth Major diameters - minor diameter Major diameter - Pitch

4) What is the formula to calculate the core dia of the square thread?

Major dia - 2 x depth Major dia - minor dia Major dia - Pitch dia Major dia - Depth of thread

5) What is the ratio between the pitch diameter and number of teeth of gear?

Tooth thickness Module Dedendum Addendum