CNC Mill operator UPDATED Exam
Questions and CORRECT Answers
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.
Questions and CORRECT Answers
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.
