What contaminants must be removed prior to joint fit-up? A) ...

[acc299]

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

[Amiracle]

Answer to Question 1

E

Answer to Question 2

C

[acc299]

Excellent

[dawsa925]

Thanks for the timely response, appreciate it