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
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.
What is the main purpose of the contact tube? - ANS-transfers the welding current to the filler
wire
A steamed vessel is safest to weld on when it is cooled down to room temperature . -
ANS-False
Three basic oxy/acetylene flame types are known as: - ANS-carbonizing, neutral, oxidizing
Which of the following is a abbreviation of a welding process? - ANS-OAW
What current and polarity is used in plasma Arc cutting and gouging operations? - ANS-DCEN
and DCRP
"Nesting" in GMAW wire feeder can be caused by: - ANS-drive roll pressure is set to high
In the AWS designation ER70T-6, the digit '0' would tell you that: - ANS-This is a flat and
horizontal filler metal
Grossly unequal pressure of gases may cause a: - ANS-flashback.
What is the definition of sling angle? - ANS-the angle formed by the legs to the horizontal plane
Where the rigging was assembled or fabricated by the employer, what percent of the ultimate
breaking strength of the weakest component must the working load not exceed if the rigging is
used to support workers? - ANS-10%
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")
What type of wire feed set-up is used with CV power sources? - ANS-constant speed