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According to the American National Standards Institute (ANSI), a typical shade range for protective goggles used in oxyacetylene welding is from:

A. Shade 0 to Shade 2
B. Shade 1 to Shade 3
C. Shade 3 to Shade 6
D. Shade 9 to Shade 15

Answer :

Final answer:

The ANSI recommends that protective goggles for oxyacetylene welding should have a shade range of shade 9 to shade 15 to effectively protect the eyes. Lower shade ranges are inadequate as they do not block the intense light produced during the welding process. These shades ensure safety from harmful radiation and bright light exposure.


Explanation:

Oxyacetylene Welding Goggles Shade Range

The appropriate shade range for protective goggles used in oxyacetylene welding is critical for protecting the eyes from harmful radiation and bright light produced during the welding process. According to the American National Standards Institute (ANSI), the typical shade range for these goggles is from shade 9 to shade 15, which effectively filters out the intense light and heat generated during welding.

Explanation of Shade Ranges

The shades used in welding goggles correspond to the amount of light they allow to pass through, with higher numbers indicating darker lenses. For example:

  1. Shade 0 to Shade 2: Generally too light for welding applications.
  2. Shade 1 to Shade 3: Also considered insufficient for harsh welding operations.
  3. Shade 3 to Shade 6: More suitable for gas welding but still not ideal for oxyacetylene.
  4. Shade 9 to Shade 15: Provides optimal protection for welding with oxyacetylene, shielding the eyes from UV rays and bright flashes.

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