If I had a paint thinner fire what type of fire extinguisher would you use
Type B
who do you go to to change classes
Mrs. Wurm
What are the 2 types of ventilation
Natural and mechanical
_______________ is formed when ultraviolet radiation decomposes chlorinated hydrocarbon
Phosgene
What is the chemical in acetylene tank that can be corrosive
Acetone
What do you call a person assigned to make sure there is no fire
Fire watch
how many days do you have to turn in an excuse
3 school days
The electrons are leaving the surface of the metal being welded and traveling across the arc to the electrode- what are we talking about
Direct Current Electrode Positive (DCEP)
what type of light is felt as heat
infrared light
why is burning on concrete not a good idea
because moisture in the concrete will expand explode
what do you call weld, grinding, burning or anything that makes heat or sparks
Hot work
what are the learning support teachers names
Mr. Harr and Mrs. Kuhn
According to AWS " a good rule of thumb " for fillet weld size is what if you aren't given a weld size
Half the thickness of the thinnest material, Only time this changes if a low hydrogen process is used like 7018 then it goes half the thickness of the thickest material
What does PPE Stand for
Personal protective equipment
before moving a tank what 2 thing need to be checked
that the cap is on and the tank is secured
change direction 1/120 of a second it alternates between DCEN and DCEP the rapid alternating produce evenly distributes the heat on the work and the welding rod.
Alternating current
who is the director of Admiral Peary Avts
Mr. Luther
Amperage in SMAW is the measurement of what
the total number of electrons flowing
When surface of the skin and possibly the tissue below the skin appear white and charred
3rd degree burns
what is the paper work used to tell you the dangers of a product
SDS
If i had a metal fire what kind of fire extinguisher would i use
Type D
What is the name of our school resource Officer
Officer Alex
What type of light is the most dangerous
Ultraviolet light because it can not be seen or felt
What can be done on the shops/welding areas to reduce the danger of reflected light
paint it a flat dark color/ it will absorb more light
what would expose a welder to Zinc
welding any type of galvanized