oxy
you what to have a ____ flame.
nuchroll
When entering the shop, you should always wear...
Eye Protection
The approximate temp. of an SMAW arc? 5600-6300, 6500-7000, 7200-7600
6500-7000
What are the two types of plasma cutters?
Hand-held & precision
How do you check an O/A welder for leaks?
Soap and water
How big should your flame be when oxy-Welding
About 1 centimeter long
What causes Arc Flash?
UV and Infrared Rays
What is a common angle when welding a fillet weld?
45 degrees
What direction do we want the sparks to move?
Downward
What are two advantages to plasma cutting
Precise
Can do detailed work
What shade lens should be used while oxy-fuel welding?
Shade 5
What can cause backfire
What is to close to metal, wrong pressure, or overheating.
Stringer beads should be 2-3 times wider then the electrode? True or False
true
When cutting you should always hold the tip where?
1/4 inch above metal piece
2 disadvantages to plasma cutting
Limited on material thickness
Expensive
How hot is an oxy acetylene flame?
6,000 °F
2 things you should wear when grinding/ cutting.
What are safety glasses and face shield?
What is a tack weld?
a small weld to align pieces of metal.
Gaseous materials used in plasma cutting is
Compressed oxygen
Safety feature on Acetylene cylinder is called...
Fusible plug
Why can Oxy-Acetylene only be used on steel?
Because steel takes more heat to melt.
What does OSHA stand for?
Occupational Safety and Health Administration
Why should a covered electrode never be bent?
so the flux doesn't break off.
What is the difference between the two types of plasma cutters?
One is hand-held (less precise) while the other one is controlled by a computer
Which cutting mechanism is more manageable and why?
Plasma cutter