The welding accessory that uses a steel surface and piece of flint is called a _____.

The welding accessory that uses a steel surface and piece of flint is called a _____.
 
  a. sparker
  b. fuel-gas lighter
  c. friction lighter
  d. igniter

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[Ques. 2] A finished GTAW weld bead has no slag to be removed because _____.
 
  a. no flux is used
  b. oxygen is used as the shielding gas
  c. the weld arc consumes the flux
  d. tungsten is used as the filler metal

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[Ques. 3] The welding process that uses a consumable wire is _____.
 
  a. GTAW
  b. TIG
  c.GMAW
  d. SMAW

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[Ques. 4] In the CAC-A process, molten metal is blown away from the cut by a jet of _____.
 
  a. fuel gas
  b. oxygen
  c. carbon dioxide
  d. compressed air

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[Ques. 5] The insulating concrete form system sandwiches a layer of concrete between panels of _____.
 
  a. fiberglass-reinforced plastic
  b. polyvinyl chloride
  c. foamed polyurethane
  d. expanded polystyrene
  CARPENTRY