Machine Tool Technology FINAL exam
proper lifting involves use of the back and arms - CORRECT ANSWER โโโ True?
An "independent" chuck has jaws that are adjusted individually to locate the work -
CORRECT ANSWER โโโ true
Negligence is the number one cause of accidents - CORRECT ANSWER โโโ true
Jewelry is unsafe to wear around machine tools - CORRECT ANSWER โโโ true
Gloves are safe to wear when using machine tools - CORRECT ANSWER โโโ false
What RPM should be used when drilling using a 0.500" diameter drill bit on brass
using a cutting speed of 150. - CORRECT ANSWER โโโ cs x 4/ diam =
Loose workpieces are not a safety hazard in lab activities - CORRECT ANSWER
โโโ true
When turning between centers, the end(s) of the work must be center-drilled in
order to provide proper support before using a tailstock center - CORRECT ANSWER
โโโ
Short sleeves and an untucked shirt are advised when using machinery - CORRECT
ANSWER โโโ
Safety glasses are preferred to safety goggles when grinding or chipping - CORRECT
ANSWER โโโ false?
The purpose of center drilling is to create a mating surface for the tailstock center. -
CORRECT ANSWER โโโ
On a milling machine, a fly cutter is normally comprised of two cutting bits. -
CORRECT ANSWER โโโ
What RPM should be used when drilling using a 0.250" diameter drill bit on
aluminum using a cutting speed of 300. - CORRECT ANSWER โโโ cs x4/ dia
A vertical milling machine uses cutters held in a vertical spindle - CORRECT
ANSWER โโโ
The chuck key (t-handle chuck wrench) should always be held in the hand or
removed from the chuck, it should never be left in the chuck at any time - CORRECT
ANSWER โโโ
The parting or cutoff tool should be used at higher turning speeds to ensure a good
finish - CORRECT ANSWER โโโ
Coolants, when used in grinding or high-speed machining, pose a respiratory hazard
- CORRECT ANSWER โโโ
What RPM should be used on a 2" diameter low carbon steel using a cutting speed
of 90 on a lathe . - CORRECT ANSWER โโโ cs x 4/ dia
