CNC Practice Test
Updated for August 2026CNC Cutting Question and Answers
- Start the air dryer and compressor for air.
- Turn on the machine’s control panel.
- Turn on the electricity to the plasma. Turn off all air and power sources once the work is finished.
- To convert directly to DXF format, utilize an AUTOCAD drawing or existing Solidworks files.
- Import the part drawing in DXF format into FastCAM to enable nesting and program conversion. Save the program name as the part’s drawing number to make calling and managing it easier.
- Using a U disk, copy the converted program into the control cabinet of the machine tool.
- Adjust the process settings to the material and thickness of the program you’ve chosen.
- Start the software to cut once all the settings have been set. Prior to choosing the type of cutting nozzle, cutting speed, and piercing time, choose the parallelism of the steel plate and the track, and then modify the current of the plasma power supply in accordance with the thickness of the plate.
- After cutting, shut off all sources of air and electricity. Clear the apparatus of any metal slag.
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CNC: Pros and Cons
- +CNC credential is recognized by employers and industry professionals
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CNC Cutting Questions and Answers
About the Author
Certified Professional Development Expert & Niche Certification Advisor
University of Pennsylvania Graduate School of EducationDr. Alexandra Kim holds a PhD in Professional Studies from the University of Pennsylvania and is a Certified Professional in Learning and Performance (CPLP) and Certified Professional in Talent Development (CPTD). With 17 years of corporate training and professional certification advisory experience, she helps professionals navigate specialized, emerging, and cross-industry certification programs.