FINAL AIT EXAM 2025 QUESTIONS AND
ANSWERS
A Material Safety Data Sheet must be reviewed whenever new information becomes available
or at least how often? - ANS every three years
What is the total number of hours of work experience, including technical training, required per
year in the Welder Apprenticeship Program? - ANS 1800
Voltage-sensing wire feeders set their speed according to: - ANS arc voltage.
How much electrode stickout is recommended when using gas shielded FCAW with 1.2 mm
(0.045") wire? - ANS 10 mm to 19 mm (3/8" to 3/4")
One of the main functions of the contact tube is to: - ANS transfer current to the electrode.
Flame propagation means the speed at which the fuel gas will travel - ANS False
What height limitation is in place when using freestanding scaffolding? - ANS For free
standing scaffolds, the scaffold must not be taller than three (3) times its smallest dimension in
height
The best reference point for dimensioning on pressure vessels is the: - ANS datum line
Which of the following is an abbreviation of a Non destructive test ? - ANS UT
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, In common fabricating practice, there are how many basic joint types? - ANS 5
Single "V" butt joints are used on material thicknesses of: - ANS 3/8" -1" (9.5 -25.4mm)
A small change in sling angle can drastically affect the: - ANS sling load.
The power sources used for pulsed spray transfer are: - ANS DC synergic, microprocessor-
controlled.
Single "V" butt joints are used on material thicknesses of: - ANS 3/8" -1" (9.5 -25.4mm)
If you must apply force to a suspended load, always pull the load towards you. - ANS
When installing clips, the saddle side of the clip must be placed on the: - ANS Live side of the
wire
When balancing a No. 2 welding tip and the acetylene torch needle valve is fully open, the
acetylene regulator should be adjusted so that the flame blows away from the tip _______ inch.
(Oxygen needle valve is closed) - ANS 1/4
Which ferrous-based metals cannot be cut satisfactorily with an oxy-fuel cutting torch? -
ANS stainless
What is the total number of hours in the first period Welder Training Profile? - ANS 240
When starting a cut on plate, the preheat cones should be held: - ANS about 3 mm (1/8")
above the surface.
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