1. personnel working in the vicinity of arc welding work must wear eye protection with tinted lenses. a…

1. personnel working in the vicinity of arc welding work must wear eye protection with tinted lenses. a. true b. false 2. drilling concrete requires use of a respirator because it produces a. asbestos b. lead c. toxic fumes d. silica dust

1. personnel working in the vicinity of arc welding work must wear eye protection with tinted lenses. a. true b. false 2. drilling concrete requires use of a respirator because it produces a. asbestos b. lead c. toxic fumes d. silica dust

Answer

Brief Explanations:

  1. Personnel near arc - welding work need eye protection as arc - welding emits intense light that can damage eyes. Tinted lenses can help filter out harmful light.
  2. Drilling concrete produces silica dust which is harmful when inhaled, so a respirator is required for protection.

Answer:

  1. a. True
  2. d. silica dust