Mod # 5 - GMAW - Multiple Choice.pdf

Mod # 5 - GMAW - Multiple Choice.pdf - Mod 5 GMAW Multiple...

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1. How should you lay the beads when surface welding for buildup work? a) Space them so that they are 3.2 mm (1/8") apart. b) Blend them together so they form a solid layer of weld metal. c) Space them so that they are 6.4 mm (1/4") apart. d) The toe of one bead should meet the toe of the next bead. b) Blend them together so they form a solid layer of weld metal. 2. In what positions can you do surface welding with GMAW using short-circuit metal transfer? a) flat position only b) flat and horizontal positions only c) all positions except vertical d) all positions d) all positions 3. What would likely be the normal electrode angle when doing single-pass 1F welds? a) 90 ° to the joint angle b) 45 ° to the joint angle c) 15 ° - 20 ° to the joint angle d) 180 ° relative to the welder's position b) 45 ° to the joint angle 4. How is the work positioned for a 1F Tee joint? a) 90 ° and 0 ° to the horizontal plane b) 180 ° and 360 ° to the horizontal plane c) 120 ° and 60 ° to the horizontal plane d) each member at 45 ° to the horizontal plane d) each member at 45 ° to the horizontal plane 5. What is the recommended gun angle for the first pass of a 2F weld on 10 mm (3/8") material with three stringer bead passes specified? a) 90 ° to the vertical plane b) 90 ° to the horizontal plane c) 45 ° to the vertical and horizontal planes d) 270 ° to the welder's initial position prior to arc ignition c) 45 ° to the vertical and horizontal planes 6. What type of bead is usually used for the cover pass on a 3F weld on 10 mm (3/8") material? a) weave bead 7. What is the likely weld progression for the first pass on a 3F weld on 10 mm (3/8") material? b) downhill 8. What joint configuration would you likely use for a 1G weld with Vee groove preparation on 10 mm (3/8") material? b) 4 mm (5/32") gap, 1.6 mm (1/16") root face 9. Ideally, a welding power source should be located in: a) a confined area at floor level. b) an uncluttered, well ventilated area of the shop. c) the centre area of the shop. d) an unventilated, specially enclosed mezzanine area. b) an uncluttered, well ventilated area of the shop
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