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22 Cards in this Set
- Front
- Back
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The rapid oxidization of steel using pure oxygen at high pressure is a descrioption of what? |
Flame cutting |
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Joining two pieces of metal by the heat of an electric arc is called what? |
arc welding |
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List 5 possible hazards due to welding or cutting |
Burns Eye injury Explosions Fires Gases |
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List 3 harmful light rays caused by welding and/or cutting steel |
Visible Rays Ultraviolet Rays Infrared Rays |
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What is an eye injury caused by Visible Light Rays? |
Severe Eye Strain |
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What is a eye harm caused by UV Rays? |
Flash |
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True or False: Infrared Rays can cause cataracts and permanent eye damage |
True |
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True or False: An appropriate filter lens shade number for medium arc welding is 4-5 |
False. These shades are best for light cutting |
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What is a appropriate filter lens shade number for medium arc welding? |
9-12 |
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What can cause burns on exposed skin when cutting or welding? |
Sparks or Slag Harmful light rays |
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A movable ________ is one way to protect others from sparks and rays from cutting or welding processes. A ______ is another practical method. |
Screen and Warning |
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Lead is one coating on metals that produces harmful fumes when welded. Name two others. |
Cadmium and Zinc |
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An explosion could occur if welding or cutting in these harmful scenarios: |
Improper Use of or Damaged Equipment Welding on a pressurized container Welding in the presence of explosive materials Increasing a container's pressure caused by the heat |
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Leather, Wool, Denim or Cotton are examples of what? |
Good quality material used for welder's clothing |
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True or False: Pants with legs down to ankles reduces fire or burn risks |
True |
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True or False: CSA approved boots aren't recommended footwear for welders. |
False. |
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True or False: Good leather gloves lacking gauntlets are the best hand protection for welding purposes |
False |
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True or False: While welding a person's head should be protected with a welding helmet |
True |
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True or False: Shirts with collars, cuffs and pocket flaps are recommended gear for welding purposes |
True |
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A welder takes these precautions before welding |
Inspect surroundings Have readily available fire suppression Protect from potential hazards and property damages |
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True or False: Welding hazards increase when working on containers, vessels or in confined spaces. |
True |
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Procedures for welding in a confined space, containers or vessels are: |
Determine internal construction and contents- gas testing included Clean, purge, isolate and ventilate Man watch |
