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Are You a Machining Guru?

Grainger Editorial Staff

Test Your Mettle with Our Quiz

If you work in the machining field, you’ve probably got all the basics down pat. But what about the more nitty gritty details? Ever executed a fillet? Do you wear jewelry while surface grinding? What do you know about climb milling? Put your machining skills to the test with our quiz.

If you handle tools all day, you’re more than familiar with the usual suspects. Hammers, saws and pliers are all commonplace tools, but what about the more unusual or unique ones? Can you tell a spud wrench from a tappet wrench? How well do you know your chisels? With hundreds of hand tools, there is sure to be a few that put your knowledge to the test. Take our quiz and see how well you know your hand tools. Discover a few new tools that can help on your next job.

1. What does CNC stand for?

  • A. Commercial Node Cycling
  • B. Computer Numerical Control
  • C. Combination Nonmodal Coding
  • D. Controlled Numerical Cutting

2. Machining that adds material rather than removes it is called what?

  • A. Electrical Discharge Machining
  • B. Plasma Cutting
  • C. Additive Manufacturing
  • D. Chip Thinning

3. Grinding is the process of machining round parts on a lathe.

  • True
  • False

4. Which of these machines is used in the hole making process?

  • A. Mill
  • B. Drill Press
  • C. Lathe
  • D. All of the Above

5. What machine has you “swinging the head?”

  • A. Surface Grinder
  • B. Lathe
  • C. Pedestal Grinder
  • D. Milling Machine

6. Surface grinder safety calls for _______________.

  • A. No Jewelry
  • B. Safety Glasses
  • C. No Long Sleeve Clothing
  • D. No Wristbands

7. What is the process of enlarging an existing hole called?

  • A. Climb Milling
  • B. Boring
  • C. Keyway
  • D. Shaping

8. In machining, what is a fillet?

  • A. A transitional edge between two faces of an object
  • B. A channel or groove in a shaft
  • C. A cone-shaped tool
  • D. A workholding system

9. Can wood or plastic be used on a milling machine?

  • Yes
  • No

10. Which of the following is considered a principle machining process?

  • A. Shaping
  • B. Planing
  • C. Milling
  • D. Broaching


1. B (computer numerical control), 2. C (additive manufacturing), 3. false, 4. D (all of the above), 5. D (milling machine), 6. B (safety glasses), 7. B (boring), 8. B (A channel or groove in a shaft), 9. yes, 10. C (milling)

The information contained in this article is intended for general information purposes only and is based on information available as of the initial date of publication. No representation is made that the information or references are complete or remain current. This article is not a substitute for review of current applicable government regulations, industry standards, or other standards specific to your business and/or activities and should not be construed as legal advice or opinion. Readers with specific questions should refer to the applicable standards or consult with an attorney.

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