What welding process uses the heat produced by the burning of a ...

[K@]

What welding process uses the heat produced by the burning of a fuel gas, enhanced by the addition of pure oxygen, to melt the base metal?
 
  A) SMAW B) GMAW C) FCAW D) OAW E) GTAW

Question 2

What pieces of information are necessary to use a manufacturer's gas manifold pressure chart?
 
  A) The number of burners and furnace firing rate
  B) Length of gas line and firing rate
  C) The altitude and gas heating value
  D) The gas line length, number of burners, and firing rate

[amcvicar]

Answer to Question 1

D

Answer to Question 2

C