Author Question: If the 1/2 drill in question 1 was held in the tailstock of the lathe instead of a drill press, how ... (Read 48 times)

mrsjacobs44 · **on:** Jul 26, 2018

If the 1/2 drill in question 1 was held in the tailstock of the lathe instead of a drill press, how fast should the lathe spindle turn?

A) 2880 RPM B) 720 RPM C) 180 RPM D) 360 RPM

Question 2

In what ways does a cutting tool remove metal?

A) By causing it to slide ahead of the tool on a shear plane
B) By splitting the metal just ahead of the tool
C) Through the process of abrasion
D) It produces extreme heat at the tip of the tool thus melting the chip/parent metal/interface