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33: Review Questions
Pipe is ordered by ID size. The wall thicknesses must be chosen from a list of _____ numbers.
When butt welding pipe, the horizontal fixed position is called the _____ position.
Name three different types of weld passes used when pipe or tube welding.
Uphill welding is done from the _____ o’clock to the _____ o’clock position on both sides of the pipe or tube.
When being moved with a(n) _____ motion to complete a downhill cover pass, the electrode should move forward in steps of 1 to 1 1/2 electrode diameters.
When being moved with a(n) _____ motion to complete a downhill cover pass, the electrode should move forward in steps of 1 to 1 1/2 electrode diameters.
A. small
B. large
C. elongated
D. distorted
A(n) _____ keyhole indicates a lack of penetration.
When pipe is welded with the _____ process, each weld bead must be cleaned before the next weld bead is started.
A. SMAW
B. GTAW
C. GMAW
D. OFW
Which of the following is not a reason to use the “walking the cup” technique in GTAW?
A. Maintain a constant arc length
B. Reduce shielding gas usage
C. Produce an excellent root pass
D. Weld uphill
True or False?
Welding a GTAW open butt and using a consumable insert are similar, and the same welder qualification is used for both methods.
A. True
B. False
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