GMAW/SMAW
What is the most commonly used shielding gas when welding steel in gas metal arc welding?
Carbon dioxide
Which class of fires includes ordinary combustibles such as wood, paper, and trash?
Class A
There are 10 pieces of 2” pipe that are 10 feet long. How many total feet of pipe are there?
100 feet
Which part of a welding print indicates the size of the drawing as compared with the actual size of the part?
Scale
When cutting with oxyfuel gas, acetylene is burned with _ to produce a flame that can oxidize and melt metals.
Oxygen
What is used to shield the puddle in the gas metal arc welding process?
A shielding gas
Which type of burn is the least severe?
First Degree Burn
A job requires 25 pieces of bar stock, each 10 inches long. What is the total length of bar stock needed in inches?
250 inches
What do full lines on a welding print indicate?
Visable edges or object line
What is the cut or channel formed as the oxyfuel flame travels across the metal?
Kerf
In gas metal arc welding, unmelted electrode wires stuck in the bead are known as:
Whiskers
Which is a safe practice used in preventing welding fires?
Store fuels in approved containers
A welding shop has 10 pieces of angle iron that are 12 feet long and 10 pieces of square tubing that are 15 feet long. How many total feet of the listed metal is available in the shop?
270 feet
Which part of a welding print is a special block containing a list of necessary stock to make an assembly?
Bill of material
What is the appropriate method of lighting the oxyacetylene torch?
Flint Striker
The "E" in "E-6011" designates that the electrode is:
An electric arc welding electrode
Always wear ________ when entering the welding laboratory.
Safety Glasses
A stock room has 125 pieces of angle iron. A student uses 28 pieces for a project. Another student uses 14 pieces. How many pieces of angle iron remain?
83
Where can you find the tolerences on a blueprint?
Title Block
At an oxyacetylene station, which of the following travels through the green hose?
Oxygen
Many electrodes are covered with _ which protects the molten puddle from the atmosphere.
Flux
What is a Class D Fire
Metal on Fire
New steel is delivered in 21-foot lengths. A section must be sheared into 3-foot long pieces. How many pieces can be obtained from each length?
What do lines made up of short dashes on a welding print indicate?
Hidden Lines
What is the term for a fire inside the blowpipe?
Flashback