CNC Programming G Codes and M Codes Quiz

What does the "G" in G Codes stand for in CNC programming?

• General

• Geometry

• Group

• Guide

In G Code syntax, what does the letter "F" represent?

• Feed rate

• Frequency

• Force

• Function

What does the M Code M30 signify in a CNC program?

• End of program

• Start of program

• Tool change

• Spindle on

Which of the following G Codes is used to set the machine to rapid positioning mode?

• G00

• G01

• G10

• G20

Which of the following is a common M Code used to stop the spindle in CNC machines?

• M03

• M05

• M00

• M08

What is the function of G02 and G03 in CNC programming?

• Linear movement

• Circular movement

• Tool change

• Program stop

What does the M Code M08 typically control in a CNC machine?

• Tool change

• Coolant on

• Spindle on

• Program stop

What is the primary purpose of G Codes in CNC programming?

• To control the machine's spindle speed

• To define the movement of the machine

• To manage tool changes

• To set the coolant flow

Which M Code is commonly used to initiate a tool change in CNC programming?

• M01

• M02

• M06

• M07

Which of the following G Codes is used to move the machine in a straight line?

• G01

• G02

• G03

• G04