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Welding Inspection Technology WorkbookModule 2-Safe Practices for Welding Inspectors

Q2-15 It is not important to consider ventilation during welding and cutting operations.a. trueb. false(22-16 When entering confined spaces, a standby is not required.a. true

b. falseQ2-17 So me of the toxic m aterials the welder may be exposed to are:a. cadmiumb. chromium

c. nickeld. leade. all of the aboveQ2-18 Proper usage and handling of compressed gas cylinders include:a. not welding on cylindersb.

c. securing them properlyd.e. all of the above

not including th e cylinders in the ground or electrical circuitidentifying the ga s prior to use

Q2-19 Acetylene becomes unstable above what pressure?a. 5 psib. 10 ps ic. 15psid. none of the above

Q2-20 Oxygen is a flammable gas.a. trueb. falseQ2-21 Electric currents ab ove approximately 6 milliamperes a re considered:a. not harmfulb. primary currents

c. harmfuld. secondary currentse. b and c above

Q2-22 When operating gas cylinders, the primary valve should be opened:a.b.c.d.e. c and d above

all the way on an acetylene cylinderone turn on an oxygen cylinderone turn or less on an acetylene cylinderall the way on an oxygen cylinder to backseat the valve

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