1. What is the difference between an included angle and a centerline angle?
2. What does TPI stand for in relation to tapers?
3. What are the TPI and TPF of a part with end diameters of 3/4″ and 1/2″ and a taper length of 4.25″?
4. What are the corresponding centerline and included angles to 5/8″ TPF?
5. What is the corresponding centerline angle of a part with TPI of 0.070″? Round your answer to the nearest minute.