FULL SOLUTIONS AND CORRECT ANSWERS
GRADED A+
⩥ A shielded metal arc weld was produced in which the welder failed to
properly clean between passes in a multi pass weld. Which
nondestructive test would best reveal the flaws that may be present in
the completed weld? Answer: RT
⩥ SMAW is typically used in which type of application? Answer:
manual
⩥ What position is depicted in Figure 2 Answer: 6GR
⩥ Use the appropriate conversion factor provided in the chart on page
40, determine the approximate diameter in inches for an electrode that
measures 1.2 mm Answer: .047 in
⩥ Underbead cracking is primarily caused by: Answer: source of
hydrogen
⩥ Which of the following is a correct statement about brazing? Answer:
the base metal is not melted
, ⩥ Which of the following welding processes commonly use a constant
current power source? Answer: SMAW and STAW
⩥ The first operation required by the symbol in Figure 3 is: Answer:
Welding the V-groove from the other-side of the joint
⩥ For Figure 3, ultrasonic inspection is to be performed? Answer: on the
entire length of the other side weld
⩥ Which of the following discontinuities are associated with shrinkage
stresses in the through thickness direction of thick plate? Answer:
lamellar tears
⩥ Which of the welding techniques below describes a welding process
in which the filler metal feeding is machine operated while the joint
travel speed and guidance are the responsibility of the welder? Answer:
Semiautomatic
⩥ The welding symbol shown in Figure 4 depicts Answer: a V-groove
weld arrow-side with melt-through
⩥ Which of the following symbols correctly describes the joint
configuration show in figure 5? Answer: image