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Author Question: When using a permanent backing ring, insert the ring inside one of the coupons and make an allowance ... (Read 27 times)

APUS57

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When using a permanent backing ring, insert the ring inside one of the coupons and make an allowance for
  the root opening, which can be up to _____.
 
  a. 1/4 (6.4 mm)
  b. 3/16 (4.8 mm)
  c. 1/8 (3.2 mm)
  d. 3/32 (2.4 mm)

Question 2

When preparing aluminum pipe coupons, use an approved solvent and a clean rag to remove any grease or
  oil within a minimum of _____.
 
  a. 1-1/2 from the weld joint
  b. 1 from the weld joint
  c. 3/4 from the weld joint
  d. 1/2 from the weld joint



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sokh

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Answer to Question 1

a

Answer to Question 2

b



APUS57

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Both answers were spot on, thank you once again




 

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