Test Your Knowledge About Trumark Laser Marking Product! Trivia Quiz

20 Questions | Total Attempts: 100

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Test Your Knowledge About Trumark Laser Marking Product! Trivia Quiz

Do you want to take a trivia quiz to test your knowledge about the Trumark laser marking product? This way of laser marking is used by a lot of companies that want their logos to stay on for longer. It is important to know how to operate the machine in order to come up with the best result. Do give the quiz a try!


Questions and Answers
  • 1. 
    If only the parameter 'velocity' is increased, what will definitely happen?
    • A. 

      Less pulse overlap

    • B. 

      Better contrast

    • C. 

      Slower mark time

    • D. 

      Velocity does not affect the laser mark at all

  • 2. 
    The laser process of foaming is a __?
    • A. 

      Layer of oxide produced on the substrate surface to change the materials color

    • B. 

      Raised surface of gas bubbles trapped in plastic

    • C. 

      Removal of a coating off a substrate

    • D. 

      Vaporization and melting of material to result in a trench

  • 3. 
    Laser marking with solid-state lasers is typically done with __?
    • A. 

      Cw laser (continuous lasers)

    • B. 

      Laser with more than 100W average power

    • C. 

      Q-switched (pulsed) lasers

    • D. 

      The same lasers used for cutting and welding

  • 4. 
    What percentage of polymers produced worldwide are thermoplastics?
    • A. 

      10%

    • B. 

      45%

    • C. 

      67%

    • D. 

      85%

  • 5. 
    For high power densities one need __?
    • A. 

      High laser power and small laser spot

    • B. 

      Working with a defocused laser spot

    • C. 

      Good pulse-to-pulse stability

    • D. 

      All lases have the same power density

  • 6. 
    Laser marking of plastics with 355nm wavelength is often referred to as __?
    • A. 

      Thermal penetration

    • B. 

      Cold marking

    • C. 

      Photonic bleaching

    • D. 

      Laser etching

  • 7. 
    What does always happen when a laser beam hits a material surface?
    • A. 

      Melting and vaporizing

    • B. 

      Bubbling, foaming, and escaping of gasses

    • C. 

      Reflection, absorption and transmission

    • D. 

      Engraving

  • 8. 
    Which of the following materials can be annealed?
    • A. 

      Aluminum

    • B. 

      Copper

    • C. 

      Silver

    • D. 

      Steel

  • 9. 
    On a YAG laser as the pulse frequency increases, the __?
    • A. 

      Average laser power increases

    • B. 

      Average laser power decreases

    • C. 

      The pulse peak power increases

    • D. 

      TruMark makes a high pitch noise

  • 10. 
    In which of the following laser marking process material is removed?
    • A. 

      Annealing

    • B. 

      Ablation

    • C. 

      Color change

    • D. 

      Tempering

  • 11. 
    Out of the TruMark product portfolio, which machine has generally the highest engraving rate?
    • A. 

      TruMark 6020

    • B. 

      TruMark 6130

    • C. 

      TruMark 5020

    • D. 

      TruMark 3020

  • 12. 
    A thermoplastic is a polymer that when exposed to a heat source ...
    • A. 

      Irreversibly changes its form

    • B. 

      Melts but never re-hardens

    • C. 

      Vaporizes and leaves a lot of smoke

    • D. 

      Softens and returns to its original form when cooled

  • 13. 
    Which of the following statement is correct?
    • A. 

      355nm is always best for marking of plastics

    • B. 

      532nm can only be used on semiconductor material

    • C. 

      1,062nm (Ytterbium) is generally better suited for metals than 1,064nm (Nd-YAG)

    • D. 

      1,064nm is the most versatile wavelength for laser marking

  • 14. 
    Annealing of metal is usually performed with a quasi-cw frequency. Compared to engraving it __?
    • A. 

      Has a deeper thermal distribution

    • B. 

      Has a more shallow heat distribution

    • C. 

      Removes material better

    • D. 

      Marks faster

  • 15. 
    The Vanadate laser is usually recommended for day/night design due to its __?
    • A. 

      1,064nm wavelength

    • B. 

      Superior pulse-to-pulse stability

    • C. 

      Better absorption properties

    • D. 

      High heat penetration

  • 16. 
    On a given application a customer wants to increase engraving depths with his laser marker. What does he have to expect?
    • A. 

      Less contrast

    • B. 

      Longer mark time

    • C. 

      Just changing the laser parameter 'engraving depth' in TruTops Mark

    • D. 

      Switching the wave length

  • 17. 
    What is the most often used laser marking process for anodized Aluminum?
    • A. 

      Annealing

    • B. 

      Color change

    • C. 

      Ablation

    • D. 

      Foaming

  • 18. 
    For some plastics a UV laser is advantageous. Why?
    • A. 

      Plastics evaporate better with a UV laser

    • B. 

      Reflection of 355nm is less than of a 1,064nm laser

    • C. 

      Plastics are designed to be marked with a UV laser

    • D. 

      Absorption of 355nm wavelength is higher than 1,064nm

  • 19. 
    Which of the following statement is correct?
    • A. 

      In ablation only the top layer is removed

    • B. 

      In ablation no material is removed

    • C. 

      In engraving the depths of marking is limited to the optical penetration depth

    • D. 

      Engraving and ablation are the same processes

  • 20. 
    What material is well suited to be marked with a TruMark 3020?
    • A. 

      Concrete

    • B. 

      17-4 steel

    • C. 

      Wood

    • D. 

      Paper

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