Author Question: The sliding gear shifter levers on the quick change gear box are used for: A) Selecting feeds or ... (Read 15 times)

luvbio · **on:** Jul 26, 2018

The sliding gear shifter levers on the quick change gear box are used for:

A) Selecting feeds or threads per inch
B) Quickly change speeds
C) Changing the ratio between the longitudinal feed and the cross feed
D) Quickly changing feeds during a cut to get a varied finish

Question 2

Three different centers used in the tailstock are:

A) Hard, soft and pipe centers B) Dead, soft and ball bearing centers
C) Dead, live and drive centers D) Pipe, ball bearing and dead