Safety
Bonus question
There are _____ different classes of fires.
4 100pts. (what are they?)
The line that holds information about the weld to be made.
Reference line
The bright light created by welding is called this.
The arc
Short Circuit Transfer can be used in all positions.
True
The fuel hose is this color.
Red
Oxygen and Acetylene cylinders should be stored at least 25ft apart. What is the other option?
Fire proof wall
The symbol for a fillet weld is.
Right triangle
The distance between the electrode and the work is called this.
Arc Length
The function of the combination cable is to
Carry the wire, current, and shielding gas to the weld area.
Acetylene becomes unstable at or above this pressure.
15psi
This class of fire covers burning metals.
Class D
Lines that extend from the object to show a distance.
Extension lines
This is the current and polarity used with 7018.
Direct Current Electrode Positive
The type of current most commonly used in GMAW is.
Direct Current Electrode Positive (DCEP)
Always open the oxygen cylinder valve this far.
Until it stops/ All the way
Every piece of PPE a welder should wear.
Helmet, welding gloves, welding coat, eye protection, ear protection, boots, jeans,
This shows important information about the drawing such as tolerances and part numbers.
Title Block
The 60 in 6013 stands for this.
60,000 psi tensile strength
The main difference between GMAW and FCAW is.
GMAW uses a solid electrode wire and FCAW uses a tubular wire.
The three things that can be found in an acetylene cylinder are.
Acetone, a porous material (sponge), acetylene
To avoid this, we shut our torches down in a specific way every time.
RBO (regulator burn out)
On the board, draw a single fillet weld on a corner joint, completed overhead with 7018 in the field.
Good Luck!!
A welder uses this shade filter lens while welding at amperages near 125.
Shade 10
The three types of metal transfer used in GMAW are.
Short Circuit, Globular, and Spray
When you finish working with the torch, this must be done.
Kill the source, bleed the lines, back out the T's