Welding chapter 12 questions with verified solutions

Feather The procews of grinding a tack weld to a tapered edge Root surface The exposed face of a weld on the side opposite from where the welding was done Pad Before welding a joint in the vertical position practice running vertical weave beads by building a (blank) in the vertical position Crater When practicing horizontal open root v groove welds, pay particular attention at the termination of the weld to fill the (blank) 1/18 To practice welding open root v groove welds in the horizontal position, run the first pass along the bottom of the coupon using (blank) e6010 electrodes 10 to 15 When making stronger beads on flat open root v groove welds keep the electrode angle at 90 degrees to the plate surface with a (blank) degree drag angle 3g When the plates are vertical and the axis of the weld is vertical, the code for this position of the groove weld is (blank) Keyhole When making an open root v groove weld, the hole made when the two root faces of two plate edges are melted away by the arc is called a (blank) Pipe Practicing open root v groove welds on plate will prepare the welder to make the more difficult (blank) welds 0" to 1/8" When preparing an open root v groove weld coupon align the beveled strips on a flat surface with a (blank) root opening and then tack weld them on each end 30 Open root welds generally have a bevel angle of (blank) degrees