SMAW (A)
Not a requirement for SMAW.
What is an external shielding gas?
Two elements we must keep out of the weld puddle.
What is oxygen and nitrogen?
Percentage of time in a 10 minute period a machine can operate at a rated output.
What is duty cycle?
Color of hose for oxygen.
What is green?
DCEP (Direct Current Electrode Positive) is also known as what?
Electrode diameter is based on these 3 things.
What is:
1. thickness of base metal
2. welding position
3. type of joint
An example of a deep penetrating rod.
What is an E6010 electrode?
Filter plate shade numbers are based on this.
What is amperage?
Oxy-Acetylene flame that has an excess of oxygen.
What is an oxidizing flame?
Amperage is controlled by adjusting this.
What is wire feed speed?
Indicated by the first 2 digits of the electrode classification.
What is minimum tensile strength?
Indicated by the third digit in the electrode classification.
What is position?
Maximum safe operating pressure for acetylene.
What is 15 psi?
A fully charged oxygen cylinder contains this much PSI.
What is 2200 psi?
Drive rolls used for soft wires.
What are U-Groove drive rolls?
7024 can be welded in these positions.
What is flat and horizontal?
Indicated by the last digit in electrode classification.
(2 answers)
What is type of current and coating?
Examples of ________ spaces include tanks, silos, storage bins, hoppers, vaults, pits, and trenches.
What are confined spaces?
On the Oxy-Acetylene regulator and torch, the ______ connector is reversed threaded.
What is acetylene?
Drive rolls used for flux-cored welding.
The 5 essentials of SMAW.
-arc length
-current
-angle
-travel speed
-electrode selection
Main purpose of flux coating.
What is to protect from atmospheric gases?
2 things you should wear when grinding/ cutting.
What are safety glasses and face shield?
Oxy-Acetylene flame that has an excess of fuel.
What is carburizing flame?
Shielding gas consisting of _____ reduces penetration for welding sheet metal, and reduces spatter for autobody work.
75% Argon/ 35% Carbon Dioxide