Module Twelve Review Questions and Trade Terms and definitions

Which of the following statements is true? Groove welds can be combined with fillet welds to maintain strength Open-root weld coupons generally have a bevel angle of ______________. 30 degrees Welding codes typically allow the root face on open root groove welds to be within a range of _________. 0" to 1/8" (0 to 3.2 mm) When preparing to tack weld an open-root V-groove weld coupon, align the beveled strips on a flat surface with a _________ root opening. 0" to 1/8" (0 to 3.2 mm) 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(n) ________________. keyhole When the plates are vertical and the axis of the weld is also vertical, the code for this position of groove weld is _________________. 3G When making weave beads on flat open-root V-groove welds, keep the electrode work angle at 90 degrees to the plate surface with a __________. 10 to 15 degree drag angle To control the weld puddle when welding an open-root V-groove in the horizontal position, the electrode work angle can be __________________. dropped up to 10 degrees When practicing horizontal open-root V-groove welds, pay particular attention at the termination of the weld to fill the ________. crater For better puddle control when welding open-root V-groove welds in the 3G position, _______________. set the amperage to the lower part of the allowable range Trade Terms: the portion of the edge of a part to be joined by a groove weld that has not been beveled or grooved; previously referred to as the land is a _______________. root face Trade terms: grinding a tack weld to a tapered edge is called a _____________________. feather