Unit 3b (Oxy-acetylene Torches)

10 Questions | Total Attempts: 1374

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Unit 3b (Oxy-acetylene Torches)

You must complete Unit 3B (Oxy-Acetylene Torches) with a score of 90% or higher before continuing to Unit 3C (Toolbox Meetings).


Questions and Answers
  • 1. 
    Typical setup is: - Tank/Cylinders - Regulators - Hoses - Torch - Fire Extinguisher
    • A. 

      True

    • B. 

      False

  • 2. 
    Oxygen is a _______ gas.
    • A. 

      Combustible

    • B. 

      Non-Combustible

    • C. 

      Flammable

    • D. 

      Explosive

  • 3. 
    Acetylene is a _______ gas.
    • A. 

      Stable

    • B. 

      Unstable

  • 4. 
    In regards to regulators, you should do all of the following EXCEPT:
    • A. 

      Use for line checks.

    • B. 

      Use to control output pressure.

    • C. 

      Keep petrolium products away.

    • D. 

      Avoid cleaning.

  • 5. 
    A flashback arrestor is sometimes required.
    • A. 

      True

    • B. 

      False

  • 6. 
    When using a cutting torch, all but which of the following should be worn?
    • A. 

      Earplugs

    • B. 

      Leather Welder Gloves

    • C. 

      Shaded Glasses

    • D. 

      Snug-fitting Clothes

  • 7. 
    When opening an Acetylene bottle, open the valve slowly, no more than _____ turns.
    • A. 

      1

    • B. 

      1 1/3

    • C. 

      1 1/2

    • D. 

      2

  • 8. 
    • A. 

      1, 2, 3, 4, 5

    • B. 

      2, 1, 4, 3, 5

    • C. 

      1, 2, 4, 3, 5

    • D. 

      2, 1, 3, 4, 5

  • 9. 
    To which parts of the torch are the arrows pointing?
    • A. 

      Cutting attachment, oxygen blast trigger, preheat oxygen.

    • B. 

      Torch handle, cutting tip, preheat oxygen.

    • C. 

      Cutting tip, flow arrestors, preheat oxygen.

    • D. 

      Flow arrestors, control valves, cutting attachment.

  • 10. 
    In regards to storage, cylinders that are full must be stored upright where they are protected from damage.  However, empty cylinders may be stored horizontally and on the ground.
    • A. 

      True

    • B. 

      False