Welding Principles And Applications 7th Chapter 2 Review Questions And Answers

Name two advantages of recycling scrap metal? {Ans: Are good for the environment and generate revenue for the for your welding shop}According to Table 2-2, what gauge wire size would be needed for a power tool that has a nameplate amperage of 9 and a cord length of 100ft? {Ans: 12}What is hot work? {Ans: When performing welding outside of shop}Why must eye protection be worn at all times in the welding shop? {Ans: To avoid debris and light reflection and excessive exposure to arc light}Describe how a person should safely lift a heavy object? {Ans: Weight of object should be distributed evenly between both hands, & your legs should be used to lift, not your back.}What types of protection are available to protect the ears during welding? {Ans: Earmuffs and earplugs}Why must a mushroomed chisel or hammer be reground? {Ans: May result in chips flying off and causing injury}How close to the grinding stone face should the tool rest be adjusted? {Ans: 1/16 in (2mm)}What can happen if too much power is being carried by a cable? {Ans: Over heat and break down the insulation rapidly}According to the Welding Safety