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Armenb Armenb
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6 years ago
What type of fastener is used for assembling on-site metal ducts?
 
  A) Self-starting sheet-metal screws B) Round-tipped sheet-metal screws
  C) Wood screws D) Nails


[Ques. 2] Ballistic concrete nails are driven in using:
 
  A) A small charge that resembles a .22-caliber blank cartridge.
  B) A pneumatic nail gun.
  C) A hammer.
  D) An electric nail gun.


[Ques. 3] Three common types of nails include:
 
  A) Hollow-point, blunt-point, and sharp-point. B) Round-head, hex-head, and flat-head.
  C) Forged, wrought, and cast. D) Common nails, box nails, and finishing nails.


[Ques. 4] Why should special safety protection always be used when driving ballistic concrete nails?
 
  A) Because of broken nail bits B) Because of fumes
  C) Because of flying chips of cracking concrete D) Because of random sparks


[Ques. 5] What PPE should be worn when handling sheet metal?
 
  A) No PPE is necessary to handle sheet metal. B) A respirator
  C) Gloves D) Self-contained breathing apparatus
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SikircSikirc
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Posts: 336
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6 years ago
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Armenb Author
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#2
6 years ago
This is very helpful, my teacher this year is not good
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