10) Eye hazards found in welding operations include: a. flying particles b. radiation c. smoke and fumes d. all of the above 11) Protective equipment not suitable for eye protection from welding radiation includes: a. welding helmets with filter plates b. clear safety goggles c. safety goggles with filter plates d. protective screens e. properly positioned barricades 12) Suitable clothing materials for welding and cutting are: a. 65% cotton, 35% polyester b. wool c. chemically treated cotton d. "b" and "c" above e. none of the above 13) Before working on equipment where machinery guards have been removed, a "Lock, Tag and Try" procedure should be completed. a. true b. false 14) In avoiding fumes during welding, the most important factor is:
15) It is not important to consider ventilation during welding and cutting operations. a. true b. false 16) When entering confined spaces, a "standby" is not required. a. true b. false 17) Some of the toxic materials the welder may be exposed to are: a. cadmium b. chromium c. nickel d. lead e. all of the above 18) Proper usage and handling of compressed gas cylinders include: a. not welding on cylinders b. not including the cylinders in the ground or electrical circuit c. securing them properly d. identifying the gas prior to use e. all of the above 19) Acetylene becomes unstable above what pressure? a. 5 psi
b. 10 psi c. 15 psi d. none of the above 20) Oxygen is a flammable gas. a. true b. false
a. the type of base metal b. the type of filler metal c. the type of welding process d. the position of the welding machine e. the position of the welder's head
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