Chapter 3 Knowledge Check

Chapter 3

Quiz yourself using the following chapter review questions to check how well you can recall the material.

Review Questions

1. According to OSHA, PPE must be:
   1. Made of leather only
   2. Provided, used, and maintained in a sanitary and reliable condition.
   3. Optional for employers.
   4. Replaced only when damaged intentionally.
2. True or False: Safety glasses are always required to be worn under welding hoods.
3. Reusable earplugs be cleaned with .                       ?
4. True or False: Noise cancelling headsets are recommended by OSHA.
5. Which of the following is the best material for welding gloves?
   1. Rubber
   2. Nylon
   3. Leather
   4. Neoprene
6. Why are synthetic fibers like polyester unsuitable for welding clothing?
   1. They are too expensive.
   2. They melt when exposed to heat.
   3. They are not durable.
   4. They offer too much protection.
7. True or False: Sneakers or other street shoes do not offer sufficient protection for welding shops or job sites.
8. True or False: Confined spaces may pose serious welding hazards due to poor ventilation and toxic gas buildup.
9. What type of respirator would be used to protect against toxic vapors?
   1. Dust mask
   2. N95 respirator
   3. Powered air-purifying respirator (PAPR)
   4. Supplied air respirator (SAR)
10. Which of the following is a proper fit for a welding harness?
    1. Loose around the chest.
    2. Loose around the leg straps.
    3. Snug around the chest and leg loops fit securely around the groin.
    4. Loose around the shoulders.

Answer Key

1. If your employer requires the use of PPE, it must be available and cared for properly.
2. False. One should be in the habit of always wearing safety glasses, even under a welding hood, even if it is not required by OSHA.
3. Soap and water. Keeping your earplugs clean extends their usable life and helps prevent infection.
4. False. Noise cancelling headsets block sounds that you may need to hear for your own safety, such as oncoming traffic or warnings.
5. Leather. Leather is an excellent material to protect you from heat and sparks.
6. They melt when exposed to heat. Synthetic fibers are often made from petroleum, and melt when exposed to heat.
7. True. Leather work boots are a much better choice than sneakers for welding jobs.
8. Tue. Hazardous atmospheres are one of the main dangers in confined space work. Your employer is legally required to provide training for any confined space you will do for them.
9. Supplied air respirator (SAR).SAR can provide safe breathable air in environments that contain toxic fumes and gasses.
10. Snug around the chest and leg loops fit securely around the groin. A properly worn harness can protect you in a fall.