MIG Welding
Explain what term 'inert' means.
Gas that doesn't combine with the weld.
What does B.O.F. stand for?
Body over frame
What does the second 'P' stand for in PPE?
Protection
Explain what closed coat sandpaper is.
Sandpaper that is used with water
The most common socket size used in our industry is?
10 mm.
Where should you place the ground clamp when welding in a rear body panel.
As close to the weld site as possible. Anywhere on the extreme rear of the vehicle.
What does U.H.S.S. stand for?
Ultra High Strength Steel
Name 2 PPE items that should be worn when painting.
Respirator, Nitrile gloves
What grit of sandpaper is used for sanding and buffing?
1000, 1200, 1500, 2000, 3000, 5000, 8000
What drive size of ratchet would you use to remove a wheel and tire assembly?
1/2 inch drive
What bad thing usually happens between the drive rollers?
Birds nest
What do we use to replace the factory spot welds?
MIG plug welds or Resistance Spot Welds
What is the standard air pressure (PSI) for our air tools?
90-100 psi
When sanding what kind of pattern should be followed? You should sand in an _____ pattern.
X pattern
What tool is used to sand large plastic filler spots on a flat panel?
air board sander
What is the carbon dioxide setting for mig welding? _______ cubic feet per hour
between 15 and 30
What type of glass is the windshield?
Laminated
What 3 components make up the fire triangle?
oxygen, fuel, spark (ignition)
What is the grit that can be confusing to determine if it needs primed over or not.
320 grit
Name 3 tools you should always have with you when MIG welding.
side cutters, hammer, vice grips
What is undercutting?
a groove or depression in the base metal that forms along the edge of a weld
The piece of structural steel that the lower suspension is usually bolted to? It is the strongest part of the front end.
Lower frame rails
Toughest question of the day...What rating do safety glasses have to meet? (it is written on the side of the glasses)
Ansi Z-87
The grit number is determined by how many particles are in a __________ __________?
Square inch
Explain the difference between allen heads and torx bits.
Allen heads have 6 flat sides and a torx bit has 6 points