Welding Level 2, Module 9 questions and answers

no postweld cleaning is necessary Since there is no flux in GTAW welding, ____________________. rear deflector material and a face shield. When a hard hat is required while welding, use one that allows the attachment of _____________________. any welding or cutting Approved fire extinguishers must be available before ____________________. has little or no cleaning action Clean the steel plate before welding to remove mill scale, because the direct current electrode negative (DCEN) used in GTAW has ____________________. the table or workpiece. When setting a welding machine for GTAW use, connect the clamp of the workpiece lead to _____________________. pointing in the direction of weld progression A push angle is the travel angle created when the torch is tilted back so that the electrode is _____________________. 20 degrees In the freehand handling technique, the filler rod is held at an angle of about _____________________ above the base metal surface and in line with the weld. the electrode must be removed and cleaned If the tungsten electrode touches the filler metal or weld puddle, ____________________. weld bead much wider than the puddle width Weave beads are made by working the weld puddle back and forth across the axis of the weld. This produces a _____________________. the full cross section of the weld to prevent crater cracking When terminating a weld, most welding codes require that the crater be filled to____________________. a wire brush When practicing 1F position fillet welds, clean each completed bead with _____________________ used only on the same base material before starting the next bead. half of the second bead When making a flat fillet weld, run the fourth bead so that it is overlapping about _____________________. the torch angle When making horizontal fillet welds, pay close attention to ____________________. using the correct amperage and torch travel speed When making an open V-groove root pass, the penetration is controlled by ___________________. vary depending on the plate thickness The actual number of weld beads needed for a 1G V-groove weld will ____________________.