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Author Question: What contaminants must be removed prior to joint fit-up? A) mill scale B) rust C) varnish D) ... (Read 47 times)

acc299

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on: Jul 26, 2018
What contaminants must be removed prior to joint fit-up?
 
  A) mill scale
  B) rust
  C) varnish
  D) paint
  E) none of the above

Question 2

Gas valves for an intermittent pilot system
 
  A) have a pulsing LED that indicates valve activity
  B) are the same as traditional combination gas valves
  C) have both a pilot valve and a main valve
  D) have a single gas outlet that switches between the pilot light and the main burners


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Amiracle

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Reply #1 on: Jul 26, 2018
Answer to Question 1

E

Answer to Question 2

C


acc299

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Reply 2 on: Jul 26, 2018
Gracias!

sultana.d

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Reply 3 on: Yesterday
Excellent

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