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heyoplshelp heyoplshelp
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6 years ago
The filler metal alloys that are used in roughly 85 percent of aluminum welds are _____.
 
  a. ER4043 and ER4145
  b. ER4043 and ER5356
  c. ER4145 and ER5356
  d. ER5183 and ER5554


[Ques. 2] Because of problems with condensation and the possible release of hydrogen gas, it is recommended that
  aluminum be stored _____.
 
  a. vertically
  b. horizontally
  c. in a humid environment
  d. at high temperatures


[Ques. 3] The first number in a wrought-aluminum designation indicates the _____.
 
  a. hardness factor
  b. aluminum purity
  c. alloy modification
  d. principal alloying element(s)


[Ques. 4] When heat-treatable alloys are subjected to welding heat over a period of time, their strength is _____.
 
  a. reduced
  b. increased
  c. eliminated
  d. not affected


[Ques. 5] Aluminum and aluminum alloys are frequently used in manufacturing because they are lightweight and
  have _____.
 
  a. magnetic qualities
  b. resistance to oxidation
  c. good resistance to corrosion
  d. low thermal conductivity
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ilhjshilhjsh
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Posts: 352
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6 years ago
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heyoplshelp Author
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#2
6 years ago
Great answers
wrote...
#3
6 years ago
Thanks
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