I'm pretty sure I'm right, but please check to see if these are correct:

1. Which of the following lathe operations cuts an angled surface between two diameters on a workpiece?
a. chamfering
b. tapering
c. threading
d. knurling

A
2. The three basic groups of saws according to the type of blade used by the sawing machine are: circular, band, and,
a. radial saws.
b. scroll saws.
c. table saws.
d. power saws.

B
3. In an internal combustion engine, during which stroke is the fuel-air mixture forced into the cylinder?
a. intake
b. compression
c. power
d. exhaust

A
Thanks