CNC Mill Operator Test
Questions & Verified Answers
The area of the control keypad that allows an operator to enter letters and special characters
into the control. - correct answer ✔✔Alpha keys
The area of the control keypad that allows the operator to show different information, such as
offsets, machine settings, and the current program. - correct answer ✔✔offset
A code used to signal an action from a miscellaneous group of commands. - correct answer
✔✔M codes
An offset used on the machining center that accounts for variations in tool length along the Z-
axis. - correct answer ✔✔Tool offset
In zero return mode, the key that returns and initializes all axes to machine zero or Home. -
correct answer ✔✔Home 28
The rate that the cutting tool or work piece moves at the point of contact. - correct answer
✔✔Feed rate
The control button used to pause a program. - correct answer ✔✔Feed hold
CYCLE START - correct answer ✔✔The control button used to begin a program or continue a
program that has been
previously stopped.
Questions & Verified Answers
The area of the control keypad that allows an operator to enter letters and special characters
into the control. - correct answer ✔✔Alpha keys
The area of the control keypad that allows the operator to show different information, such as
offsets, machine settings, and the current program. - correct answer ✔✔offset
A code used to signal an action from a miscellaneous group of commands. - correct answer
✔✔M codes
An offset used on the machining center that accounts for variations in tool length along the Z-
axis. - correct answer ✔✔Tool offset
In zero return mode, the key that returns and initializes all axes to machine zero or Home. -
correct answer ✔✔Home 28
The rate that the cutting tool or work piece moves at the point of contact. - correct answer
✔✔Feed rate
The control button used to pause a program. - correct answer ✔✔Feed hold
CYCLE START - correct answer ✔✔The control button used to begin a program or continue a
program that has been
previously stopped.
