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Author Question: When brazing is finished, which of the following valves should be shut off first? a. Acetylene ... (Read 27 times)

asan beg

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on: Jul 24, 2018
When brazing is finished, which of the following valves should be shut off first?
 
  a. Acetylene valve on the tank regulator
  b. Oxygen valve on the tank regulator
  c. Acetylene valve on the torch handle
  d. Oxygen valve on the torch handle

Question 2

Which of the following statements about brazing dissimilar metals is incorrect?
 
  a. Always use a phosphorus alloy to braze dissimilar metals.
  b. Always use a flux, even when one of the metals is copper.
  c. Different metals have different melting points.
  d. Different metals expand at different rates.


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tjayeee

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

d

Answer to Question 2

a


asan beg

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Reply 2 on: Jul 24, 2018
Gracias!

Perkypinki

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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