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Author Question: Which statement is correct regarding the cleaning of base metals before welding? a. All metals ... (Read 160 times)

Shelles

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on: Jul 24, 2018
Which statement is correct regarding the cleaning of base metals before welding?
 
  a. All metals should be cleaned before welding.
  b. It is not necessary to clean new metal.
  c. Metals only need to be cleaned if they show signs of corrosion.
  d. Metals only need to be cleaned if they are painted or coated.

Question 2

Common grade stainless steels are classified by their _____.
 
  a. chemical structures
  b. grain structures
  c. cellular structures
  d. matrix structures


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tuate

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Reply #1 on: Jul 24, 2018
Answer to Question 1

a

Answer to Question 2

b


Shelles

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Reply #2 on: Jul 24, 2018
Thank you!


tuate

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Reply #3 on: Jul 24, 2018
Always glad to help...


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