PART 4
Decide whether each statement is true or false and circle the letter in the right-hand column that indicates your choice.
33. The cutting speed of a metal is stated in in./min.
33. T F
34. In order to get a fine surface finish, you should increase the speed of the cutter.
34. T F
35. Always use a brush to clean away cuttings.
35. T F
36. The milling-machine arbor has a self-holding taper.
36. T F
37. The addendum is the distance from the outside diameter to the pitch circle.
37. T F
38. The outside diameter of a gear is equal to the number of teeth plus two divided by the pitch diameter.
38. T F
39. When the head is being aligned on a vertical milling machine, the indicator should be mounted on a rod held 39. T F
in a chuck.
40. When indicating the head, swivel it the amount of difference in the readings on the dial indicator taken at the 40. T F
front and back of the table.
41. When aligning the vise, tap it so that the parallel moves away from the indicator.
41. T F
42. When machining a keyseat having two blind ends, use a two-fluted end mill.
42. T F
SCORE
44
