Term
Definition
The effective throat of a complete penetration groove weld shall be Term
The thickness of the thinner part joined
Definition
When welding lengthwise connecting two round bars, the proper symbol would be Term
Flare V Groove weld
Definition
Fillet welds may be used to connect skewed T joints provided the plates are set at an angle of not less than Term
30°
Definition
The minimum thickness for a plug weld in material 1" thick shall be Term
5/8"
Definition
Welding shall not be done when:
Term
When ambient temperature is lower than 0°F or Surfaces are wet or exposed to rain, snow, or high wind or When welders are exposed to inclement conditions. Definition
When ambient temperature is lower than 0°F or Surfaces are wet or exposed to rain, snow, or high wind or When welders are exposed to inclement conditions. Term
AWSA5.17 & A5.23
Definition
When welding 5/16" plate in the field, a welder must be certified for Term
Structural
Definition
Re-entrant copes shall have a minimum radius of: Term
1" Definition
Where tight fit of intermediate stiffeners is specified, it shall be defined as allowing a gap of up to Term
1/16"
Definition
Spatter is caused by Term
Welding current too high or arc length too long Definition
In order to insure sound welds at the ends of a joint. The following shall be used Term
Extension bars & runoff plates
Definition
In repairing cracks in a weld, remove the crack and sound weld metal how far beyond each end of the crack Term
2"
Definition
The removal of slag from a deposited weld bead is: Term
Mandatory
Definition
What electrodes have low hydrogen coating? Term
Electrodes ending 5, 6, or 8. Definition
With which process would an ER70S-X electrode be used Term
GMAW
Definition
Oven storage of low hydrogen electrodes is: Term
To avoid damage by atmospheric moisture Definition
Welded joints not pre-qualified shall be: Term
Qualified Definition
Welder certification may be waived by Term
No one Definition
Peening is not permitted on
Term
Root and surface layers of welds 5.27 Definition
The suggested minimum nominal thickness of backing bars for SMAW process is Term
3/16
Definition
Pre-heat and interpass temperatures must be sufficient to Term
Prevent crack formation
Definition
Low hydrogen electrodes exposed to the atmosphere for longer periods then that permitted by codes shall be £ redried no more than Term
The minimum effective length of a fillet weld shall be: Term
Caulking of welds; What is it and is it permitted
One time
Definition
Overall length of full size fillet including boxing
Definition
Caulking of welds is to plastically deform weld or
base metal surfaces to seal or obscure discontinuities as undercut, piping porosity, pin holes, cracks, etc. Caulking is not permitted on most metals. Term
Definition
In gas metal arc welding the electrode is: Term
Consumable Definition
The effective area of a fillet weld is: Term
The effective weld length X the effective throat. Definition
The minimum length of an intermittent fillet weld shall be: Term
1 1/2"
Definition
The 'U' in joint designation TC-U9a refers to: Term
Metal thickness, U = Unlimited Definition
Arc strikes outside the area of permanent welds should be: Term
Avoided
Definition
Base metal specification may be found in: Term
ASTM Definition
Information regarding back gouging of roots in a single bevel groove weld without backing is found in footnote section: Term
Note 4
Definition
What is the required root opening for the SMA welded CJP single-U-groove weld: Term
When spacers are used in the double-bevel groove weld, the weld is not to be complete until: Term
0 to 1/8"
Definition
Spacer removed by gouging to sound metal before welding second side. Definition
The size of the spacer for double-V groove weld using a 30° bevel and welded in the overhead position shall be: Term
What is the required root opening for a single-Vgroove weld to a back-up strip welded in the vertical position
1/8" X 3/8"
Definition
1/2"
at 20° angle: Term
Definition
A single J-groove weld preparation in the horizontal position shall be made with SMAW & groove angle of: Term
45°
Definition
What is the root opening for a partial joint penetration square groove weld butt joint of material 1/4" thick: Term
1/8"
Definition
A break in the arrow shaft in the symbol in the single bevel groove weld indicates: Term
Which plate to chamfer
Definition
What is the maximum base metal thickness in a single bevel groove weld: Term
U = Unlimited
Definition
What is the included angle of preparation for the double-V-groove weld. Using a spacer and a 1/2" root Term
20°
Definition
In an E70 1 8 electrode, what does the E designate Term
Electrode Definition
Before welding a joint, the surfaces to be welded shall be free of what? Term
Scale, slag, rust, moisture, grease, etc.
Definition
If a welder is qualified by testing in 3/8 inch thick tubular structural steel in the 6-GR position CJP using a E701 8 electrode, is the welder qualified to weld a PJP on 1 inch thick Structural Steel plate in the vertical down position? Term
NO
Definition
It is usually good practice to oscillate which of the mild steel SMAW electrodes Term
E6010 & E6011
Definition
The E7024 electrode may be used in what positions?
Flat and horizontal
Term
Definition
Which of the SMAW electrodes has an iron powder covering? Term
Electrodes with last digit "4"
Definition
Which of the SMAW electrodes has an iron powder and low-hydrogen covering? Term
Electrodes with last digit "8"
Definition
Which welding process would an E7018 electrode be used with? Term
SMAW
Definition
Which welding process would an E70T-X electrode be used with? Term
FCAW
Definition
Single bevel groove, with 45° angle and backing, the root opening must be what? Term
1/4"
Definition
The maximum size of a fillet weld in the flat position, and in one pass shall be how much? Term
3/8"
Definition
Continuous solid wire electrode ( E70S-X ) used in semi-automatic welding would be used in which process? Term
GMAW
Definition
Members distorted by welding may be straightened by application of limited amounts of localized heat. The temperature of heated areas as measured by approved methods shall not exceed how much for Quenched and tempered ( Q. & T.) steel nor how much for other steels.? Term
Q&T1100°F, Other 1200°F
Definition
What is the minimum thickness of material to be used for weld washers? Term
When parts are to be fillet welded, in a lap joint of material under 3" thick the allowable separation of faying surfaces shall not exceed how much?
0.05"
Definition
3/16" Max
Term
Definition
The maximum size electrode allowed for the root pass of an overhead fillet weld is what diameter? Term
5/32"
Definition
What is the maximum permitted carbon equivalent for reinforcing steel that may be welded without prior qualification tests? Term
0.65 %
Definition
The first 7 in the E71T-7 designates what? Term
The tensile strength in 10,000's of psi Definition
The last digit "7" in E7027 designates what?
Term
Type of flux coating on electrode - Iron powder / Iron oxide; & type of current used - AC or DCEN. Definition
When welding a flat fillet root pass, the largest allowable electrode is what diameter? Term
3/16"
Definition
The "S" in E70S-3 designates what? Term
GMAW - Solid wire electrode Definition
The digit "1" in E7018 indicates that welding is to be in what positions? Term
All positions
Definition
Which of the SMAW electrodes has an iron powder and iron oxide covering? Term
SMAW mild steel electrodes where last digit is "7", ie. E6027 Definition
The E6011 electrode will give more penetration than all other SMAW electrodes except what? Term
E6010only
Definition
The "60" in E6011 indicates what Term
60,000 psi Tensile strength Definition
The effective throat thickness of a fillet weld is computed by measuring the shortest distance between what two points? {AW Term
Low hydrogen shielded metal arc electrodes shall
The root to the face
Definition
4 hours
be protected from moisture. The E70XX low hydrogen electrodes shall be returned to an oven within what period of time? Term
Definition
In butt weld root pass in the horizontal position,the thickness of weld metal that may be built up behind the advancing arc shall be how large? Term
5/16"
Definition
Between "Structural Welding Code - Steel" Dl.l and "Structural Welding Code - Sheet Steel" D1.3, there is M a metal thickness overlap of the minimum for Dl.l and the maximum for D1.3. How much overlap of metal thickness is there? Term
0.055 = approx. 1/16 inch.
Definition
Even if prior qualification is made, what is the maximum permitted carbon equivalent for reinforcing steel that is to be welded? Term
0.75%
Definition
In which positions is 1/2" the maximum size allowed for a fillet weld made in one pass? Term
Vertical
Definition
Using DC straight polarity, the electrode is which; . . . . positive, negative or neutral Term
Negative
Definition
The minimum preheat and interpass temperature for ASTM A572 grade 60 structural steel 2" thick welded with ™ SMAW process is how much? Term
225°F
Definition
The minimum preheat and interpass temperature for structural steel 1/2" welded with the SMAW process and an electrode other than Low Hydrogen is how much? Term
The largest electrode permitted when welding in
32°F
Definition
5/16"
the flat position is what diameter Term
Definition
E7018 electrodes are used with what type of welding current Term
AC & DCEP
Definition
Should back-up strips or bars be removed from all welds? Explain Term
No; Not mandatory but permissible
Definition
Shielded metal arc electrodes with low hydrogen covering shall be kept dry in storage ovens. Low hydrogen electrodes of the E80XX series when taken from the oven shall be used within what period of time? Term
2 hours
Definition
Except for root pass, the largest electrode permitted for out of position welding is what diameter Term
1/4
Definition
Reverse polarity means that the electrode is which; .. . positive, negative or netural ? Term
Positive
Definition
What does "CJP" in the tail specifications part of a weld symbol mean? Term
Complete Joint Penetration
Definition
What kind of metal is classified as 6061-T6? Term
Aluminum Definition
Safety precautions shall conform to the latest edition of what specification published by the American Welding Society? Term
ANSI/AWSZ49.1
Definition
If the tensile strength of a single pass weld made with an E6010 electrode is 60,000 p.s.i. what would the tensile strength of a six pass weld be? Term
The amount of lap required for a fillet welded lap joint shall be at least five times the thickness of the thinner
60,000 psi
Definition
1 inch
plate not less than how much? Term
Definition
Backing strips are used to prevent melting through roots of grooves welds by using what for backing material? Term
Metal, weld metal, carbon,flux, gas, glass tape, etc.
Definition
The minimum angle of the plates in a skewed T joint, to be welded with fillet weld, shall not be less than how many degrees to be considered as effective in transmitting applied force? Term
30°
Definition
The minimum thickness of a plug or slot weld in 3/8" plate is how much? Term
3/8"
Definition
The largest size of crater permitted and left at the end of a weld is how much? Term
No crater of any size is allowed
Definition
A fillet weld when measured for size shall be measured how? Term
Leg length of the largest inscribed isosceles rt. triangle Definition
what are the education and experience requirements for a CWI? CAWI?
Term
CWI: 5 years experience, or 3 years & a technical degree; CAWI: 2 years experience, or 6 months & a technical degree Definition
welding inspectors can be categorized how?
Term
1) code or governing body; 2) purchaser's, customer's, or owner's (QA); 3) fabricator's, manufacturer's, or contractor's (QC); 4) architect's or engineer's Definition
what document(s) cover(s) safety in welding and cutting? Term
ANSI Z49.1
Definition
which is most general of the following terms: code, standard, specification? Term
standard
Definition
ASME B31.1 & B31.3 cover what subjects?
B31.1 covers pressure vessels and power piping, B31.3 covers chemical process piping
Term
Definition
Interpass temperatures are measured what distance from the joint? Term
1"
Definition
What topics are covered by ASME Boiler and Pressure Vessel Code sections V, VIII, & IX?
Term
V covers nondestructive examination; VIII covers Unfired Pressure Vessels, and IX covers Welding and Brazing Qualifications Definition
In structural applications, when the metal thickness is less than 1/8", what AWS code applies? Term
AWS D1.3 - sheet metal
Definition
Fillet welds may be measured using a tolerance of :____ Term
-1/32"
Definition
is the name of the document that prescribes the details of how a weld must be performed. Term
WPS - Welding Procedure Specification
Definition
When it is impractical for the welding inspector t witness all tests and observe all welds during production, what kind of inspection results? Term
random-partial
Definition
the welding inspector is responsible for judging acceptability of a product in accord with what? Term
a written document
Definition
which code choices are available for taking AWS QC1 CWI/CAWI exams?
Term
AWS D1.1; API 1104; AWS D1.2 (structural aluminum); AWS D1.5 (Bridge); AWS D15.1 (Railroad); ASME VII & IX; ASME IX, B31.1, & B31.3 Definition
AWS D1.1 specifies that nondestructive testing must be performed by an individual qualified in accordance with what document? Term
SNT-TC-1a
Definition
ASME B31.1 & B31.3 cover what subjects?
Term
B31.1 covers pressure vessels and power piping, B31.3 covers chemical process piping Definition
Interpass temperatures are measured what distance from the joint?
1"
Term
Definition
welding symbols are defined in what publication? Term
AWS A2.4 Definition
What topics are covered by ASME Boiler and Pressure Vessel Code sections V, VIII, & IX?
Term
V covers nondestructive examination; VIII covers Unfired Pressure Vessels, and IX covers Welding and Brazing Qualifications Definition
In structural applications, when the metal thickness is less than 1/8", what AWS code applies? Term
which code choices are available for taking AWS QC1 CWI/CAWI exams?
Term
AWS D1.3 - sheet metal
Definition
AWS D1.1; API 1104; AWS D1.2 (structural aluminum); AWS D1.5 (Bridge); AWS D15.1 (Railroad); ASME VII & IX; ASME IX, B31.1, & B31.3 Definition
for fillet welds on material greater than 1" thick or greater, what is the allowable undercut? Are there exceptions? Term
1/16", no exceptions
Definition
in cases of dispute over welding terms, what document prevails? Term
AWS A3.0
Definition
the standard describing the requirements for welding cross-country pipeline is: Term
API 1104
Definition
acetylene becomes unstable above what pressure? Term
15psi Definition
safety training is mandated under the provisions of what agency? Term
OSHA
Definition
Name the ending numbers in the classification E70XX for low hydrogen SMAW electrodes Term
Name the position numbers in the classification of E-70XX SMAW electrodes Term
70X5, 70X6, 70X8
Definition
701X is all positions, 702X is flat and horizontal only Definition
T or F: according to AWS D1.1, steel backing on groove welds must be continuous. Term
TRUE
Definition
At what level are currents considered "primary shock currents" and hence dangerous? Term
6mA
Definition
what is the most common ASTM structural steel? What is its minimum yield strength? What is its minimum Ultimate Tensile Strength (UTS)? Term
AWS D1.1 states that all surfaces to be welded and surfaces adjacent must be free from what elements? Term
A-36, 36ksi (36,000 psi), and 58ksi
Definition
thick scale, slag, moisture, rust, grease, and other foreign material. Paint & mill scale (not loose or thick) are acceptable Definition
what is the numerical designation for the AWS filler metal specification "Carbon Steel Covered Arc Welding Electrodes"? Term
A5.1
Definition
what is the numerical designation for the AWS filler metal specification "Low Alloy Steel Covered Arc Welding Electrodes"? Term
A5.5
Definition
The American Welding Society certifies welding inspectors according to what document? Term
what topics do the sections of AWS D1.1 cover?
Term
what are the two kinds of welding inspectors defined by the AWS D1.1? What are their roles? Term
"Authorized Inspector" is a term associated with what? By what organization are they certified?
Term
AWS QC1
Definition
1) General Requirements; 2) Design of Welded Connections; 3) Prequalification of WPSs; 4)Qualification; 5) Fabrication; 6) Inspection; 7) Stud Welding; 8) Strengthening and Repair of Existing Structures Definition
Fabrication/Erection (QC), and Verification (QA)
Definition
an "Authorized Inspector" is one who has bottom-line QC responsibility; they are certified by the National Board of Boiler and Pressure Vessel Inspectors Definition
How often are new editions of the AWS AD1.1 published? Term
every 2 years
Definition
what does the "Code of Ethics" of the AWS QC1 consider to be the most important obligation of a welding inspector Term
public safety
Definition
what is a MTR? Term
Material Test Report Definition
For material less than 1" thick what is the maximum allowable undercut in a fillet weld? Are there exceptions? Term
1/32" exception: up to 1/16" for any accumulated length up to 2" in 12"
Definition
the term "Contract Documents" refers to what?
Term
1) all applicable codes; 2) the (structural) plans; 3) the specifications Definition
what is a specification?
Term
a document that describes the requirements for a particular object or component Definition
what is a weld discontinuity?
Term
an interruption in the typical structure of the material Definition
what is a weld defect?
Term
a discontinuity or discontinuities that render a product unacceptable Definition
what is an RFI? Term
Request For Information Definition
the maximum atmospheric exposure time allowed by AWS D1.1 for E-7018 electrodes is what? Term
4 hours
Definition
According to AWS D1.1, the separation between faying surfaces of butt joints landing on a backing bar cannot exceed what amount? Term
1/16"
Definition
what is the national organization for concrete and soils technicians? Term
ASCET
Definition
under the provisions of AWS D1.1, who is ultimately and legally responsible for assuring that the welders are certified? Term
the contractor
Definition
most often, preheat and interpass temperatures are measured using what? Term
temperature-indicating crayons (also contact pyrometer) Definition
when the base metal must be preheated prior to welding, AWS D1.1 specifies that the arts must be heated to the required minimum for at least how far in all directions prior to welding? Term
3" (or thickness of material, whichever is greater))
Definition
ASTM is an abbreviation for what? Term
American Society for Testing and Materials Definition
once removed from their original containers, AWS D1.1 requires that low-hydrogen electrodes be maintained in electrode ovens at what minimum temperature? Term
250°F
Definition
What is an ITL? Term
A CWI or CAWI must have passed what eye test(s)?
Independent Testing Laboratory Definition
20/40 with or without correction and Jaeger J-2 at 12" near vision acuity (color test may be required by employer, but is not required by AWS)
