____________________ Is a Thin Layer of Dark Gray or Black

Q21: The wire feed speed on charts are

Q22: Describe how to keep the weld bead

Q23: The major advantages of the vertical down

Q24: The _ of a wire is measured

Q25: At low amperages and high voltage settings

Q27: A _ gap may require _.<br>A) narrow,

Q28: Slight changes in _ can be used

Q29: The longer the _, the greater the

Q30: The only difference between all GMA welding

Q31: The _ refers to the angle between