Red Seal Flashcards
The type of metal transfer most commonly used for FCAW is?
Globular
What would you check for leaks on oxy fuel equipment?
With a leak detection fluid
The first rule when using a gas cylinder is to ____ it
Secure it
Increasing or decreasing the arc voltage will increase or decrease the ____ required
Arc length
What is the main reason for using preheat on heavy sections prior to Welding?
To reduce the quenching effect and remove hydrogen
The wire diameter type of shield and gas material mode of transfer all determine the?
Voltage required
Cc machines are widely used for what Welding process?
SMAW
The wire feeder for a cc machine should be ____ speed
Variable
Flat volt amp curve is for constant _____ machines
Voltage/potential
What shielding gas is used for welding material over half inch thick
Argon – helium
What is the controlled heating(1100 to 1150F) of a welded steel fabrication, then slow controlled, cooling process?
Stress relieving
You would need above _____ to go into spray transfer mode
80% argon
Why is there a deoxidizer on filler rods?
To prevent contamination
Standard screw thread series with a set number of threads per inch regardless of diameter is what?
Constant pitch
Back purging is required on what type of metal
Stainless
What is the most precise method of identifying properties of a metal?
By reviewing the appropriate mail test report
Which disc would be selected when using a 5 inch grinder that has a 10,000 RPM rating and grinding on the flat side of the desk?
Disc thickness 1/4 inch rated at 12200 RPM
When preparing test coupons for an ASME section IX. Welder qualification what is the maximum that the edges of each coupon may be radiused
1/8
A kneeling is a heat treatment process which leaves the material in what state?
Softest toughest weakest state
T - stands for
Tubular
Groove weld having joint members grooved in a J shape on both sides with the weld made from both sides
Double J groove weld
Weld joint formed when two joint members are positioned at an approximate 90° angle with the weld joint at the outside of the joint members
Corner joint
Groove weld having joint members grooved in a U shape on both sides with the weld made from both side sides
Double U groove weld
Which fuel gas would provide the greatest amount of heat energy for preheating
Propane