CNC Mill operator test study questions
and answers top rated 2024-2025
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
The area of the control keypad that allows an operator to enter letters and special
characters
into the control. -Correct Answer ✔Alpha keys
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.
FEED HOLD -Correct Answer ✔The control button used to pause a program.
LIST PROG -Correct Answer ✔An operation mode key that lists programs and allows
an operator to select, send,
receive, and delete programs.
RESET KEYS -Correct Answer ✔The area of the control keypad that executes functions
vital to the beginning and end of
a machining operation.
M09 -Correct Answer ✔An M code that turns coolant off.
M08 -Correct Answer ✔An M code that turns coolant on.
CNC Mill operator test