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m11

Terms in this set (19)

which of the following is not a typical groove-weld type?
t groove
the prepared surface of a beveled edge is referred to as a
bevel face
coated tapes can be used for backing when making a groove weld.
true
when preparing the coupon for a v-groove weld, the bevel angle of each coupon should either be 22 1/2 or __________ degrees.
37 1/2
which of the following is not a valid guideline when using low-hydrogen electrodes?
maintain a long arc.
if backing material is to be removed and not a part of the weldment, it should be made from a different material than the base metal.
true
v-groove welds with backing can be made in _________ position(s).
all
groove welds with an overlap are acceptable as long as the overlap does not exceed 1/2" (13 mm).
false
when welding flat v-grooves with backing, which beads can be used?
stringer or weave
when welding a v-groove in the horizontal position, the weld puddle can be controlled by dropping the electrode with angle no more than __________ degrees.
10
one backing material used in groove welding is
an inert gas
single-groove welds with metal backing are used for
high-strength, high-quality welds
when preparing weld coupons for v-groove welds with backing, cut the metal backing strips so that they are at least
1" x 8" (25.4 mm x 203.2 mm)
to conform with AWS limited-thickness test coupon requirements, weld coupons should be carbon steel that is
3/8" thick
which type of electrode does not have a heavy gas shield, mainly depending on the slag to protect the molten metal, therefore requiring a short arc be maintained?
low-hydrogen
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