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 side sides with the weld made from both side sides
Double J groove weld
Well joint formed when two joint members are positioned at an approximate 90° angle with the well 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
Which metal is more likely to crack due to well joint shrinkage
Cast iron
What type of material has a grain structure that appears very course and silvery
White cast iron
What would be the best type of material to use for making a permanent Pipe template?
Fibre gasket
What tool would you use to describe large arcs and circles?
Trammel points
In addition to manganese and silicone, there are three types of common deoxidizers. What are they?
Aluminum titanium caladium
To prevent whiskers one would?
Decrease travel speed
What lines are used as terminal points for the section lining?
Extension lines
The recommended preheat temperature for fusion Welding gray cast-iron is
590°C (1100°F)
Symbol used on welding symbols to further defined the operation to be completed
(An extra note or specification )
Supplementary symbol
What is the depth of the eternal actually included and fused in the weld?
Groove weld size
What symbol is used with a single or double groove weld symbol
Spacer material
True or false
The arrow on a stud weld is shown with a brake when indicating stud welds
False
Weld used to hold joint members and sub assemblies together
Secondary weld
Line that shows where an object is imagined to be out in order to view internal feature
Cutting plane line
Symbol that’s specifies examination methods and require required to verify weld quality
Non-destructive examination symbol (NDE)
T-11
Gas?
Current polarity?
None
DCEN
T-9
Gas?
Polarity?
CO2
DCEP
T-3
Gas?
polarity?
None
DCEP
T – 1
Gas?
Polarity?
CO2
DCEP
Split bead technique is used to weld for
Single V groove butt joint
For short circuit welding – increasing slope on a CV power source will be?
Decrease peak, current levels
Well type produced by confining fusion of molten base metal using heat and pressure for a series of continuous or overlapping, successive spot welds on joint members
Seam weld
Flange weld with one joint member bent
Corner flange weld
Flange weld with both joint members bent
Edge flange weld
Weld type made of light gauge metal with one or both joint members bent at approximately 90°
Flange weld
Edge flange
Groove weld having two radius joint members with the weld made from both side
Double flare, bevel groove weld
Well deposited in the world route opposite the face of the weld on the other side of the joint member. Deposited before the weld on the opposite side of the part.
Backing weld
A phantom section in a view, primarily used to show
Mating part
The E49IT – 9 – CH specification Welding wire is
Gas shielding wire use DCEP
Groove weld having square edge, joint members with the weld made from one side
Single square groove weld
True or false
Broken lines are usually omitted to simplify reading of the assembly print
True
Well type proceeded by confiding the fusion of molten base metal using heat pressure without preparation to the joint member
Spot weld
Supplementary symbol indicated by a rectangular centred on a reference line
Spacer symbol
Weld symbols used when the well joint weld type and welding operation requires more information that can be specified with one weld symbol
Combination weld symbols
Drilled hole that does not pass through the material
Blind hole
The weight of a cubic metre of steel is
A. 1000 kg.
B. 5780 kg.
C. 7850 kg.
D. 8750 kg.
7850 kg
Supplementary symbol indicated by a square on the opposite side of the groove weld on the reference line
Consumable insert symbol
Groove weld having one straight and one radius joint member with the weld made from one side
Single flare bevel groove weld
Deformation per unit length of a solid under stress
Strain
Plate that is rolled between horizontal and vertical rollers and trimmed only on the ends
Universal plate
The melting together or filler, metal and base metal or base metal only to produce a weld
Fusion welding