SY->Module-5 : THREAD CUTTING - Practice Mode

1) What is the lead of M 10 x 1.5 double start thread?
Correct Answer: 3 mm
2) How multi start threads are specified?
Correct Answer: By stating dia, pitch, and no. of start
3) What is the formula for pitch diameter of thread?
Correct Answer: Major diameters - single depth
4) What is the formula to calculate the core dia of the square thread?
Correct Answer: Major dia - 2 x depth
5) What is the ratio between the pitch diameter and number of teeth of gear?
Correct Answer: Module