AIT First Year Weld Exam Latest Update 2025- 2026 280 Questions and 100% Verified Correct Answers Guaranteed A+
1F cap uses what type of weave - CORRECT ANSWER: Herringbone
1F position plates are at what angle - CORRECT ANSWER: 45 degrees
1Gr position is? - CORRECT ANSWER: Flat groove weld on pipe rotated
1GR Position too much penetration on weld what do you do - CORRECT ANSWER:
Move your gun down
2G root weave? - CORRECT ANSWER: Saw tooth
- Types of distortion? - CORRECT ANSWER: Angular (tee joints, transverse (wedges
used), longitudinal
A class A fire includes? - CORRECT ANSWER: Combustible materials fire such as
paper wood
A class B fire includes? - CORRECT ANSWER: Flammable liquids
A class B fire requires what fire extinguisher? - CORRECT ANSWER: Dry chemical
extinguisher
A free standing scaffold must not be taller than ____ times its smallest dimension in
width - CORRECT ANSWER: 3 1 / 3
A generator produces what - CORRECT ANSWER: DC
A push system is normally used for what types of welding? - CORRECT ANSWER:
Gmaw, fcaw and mcaw
A wire feeder system includes what? - CORRECT ANSWER: Drive roll system, variable speed motor
Aa designation for alloys what does 1 mean - CORRECT ANSWER: Aluminum
AA designation system for alloys what does 4 mean? - CORRECT ANSWER: Aluminum
silicon
AA Designation system for alloys what does 5 mean - CORRECT ANSWER: Aluminum
magnesium
Advantages of AC DC transformer rectifiers - CORRECT ANSWER: May have ac and
dc output capability, full selection of electrodes, choice of polarity, machines may be cc or cv
Advantages of AC transformers - CORRECT ANSWER: Low initial cost, lower operating costs, no accumulative arc blow
Advantages of inverters - CORRECT ANSWER: Small and light weight, low input power requirements, excellent arc starting characteristics
After work has stopped how long should you watch for a fire? - CORRECT ANSWER:
60minutes
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Aluminum is obtained from what ore - CORRECT ANSWER: Bauxite
Aluminum melts at what temperature? - CORRECT ANSWER: 1220F
Aluminum oxide melts at what temp? - CORRECT ANSWER: 3700F
Amperage is what - CORRECT ANSWER: The amount of current flow
An alternator produces what - CORRECT ANSWER: AC
Anodizing is what? - CORRECT ANSWER: Chemical electro process that thickens the
natural oxide layer for corrosion resistance it can also be dyed
Apprenticeship is a... - CORRECT ANSWER: 3 way contract between you employer and ait
Arc blow is caused by? - CORRECT ANSWER: Encountered during DC welding when
the arc flares uncontrollably by magnetic fields being set up around the work
Bevel angle of pipe is - CORRECT ANSWER: 30-37.5
Bill of materials on drawing will be found where? - CORRECT ANSWER: Top right
corner
Burn back can be caused by - CORRECT ANSWER: Kinked cable or dirty liner
Calcium carbide is formed by heating and combining what? - CORRECT ANSWER:
Calcium (limestone) and coke (a derivative of coal) in an electric furnace
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