Term
| The effective throat of a complete penetration groove weld shall be |
|
Definition
| The thickness of the thinner part joined |
|
|
Term
| When welding lengthwise connecting two round bars, the proper symbol would be |
|
Definition
|
|
Term
| Fillet welds may be used to connect skewed T joints provided the plates are set at an angle of not less than |
|
Definition
|
|
Term
| The minimum thickness for a plug weld in material 1" thick shall be |
|
Definition
|
|
Term
| Welding shall not be done when: |
|
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 in-
clement conditions. |
|
|
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 in-
clement conditions. |
|
Definition
|
|
Term
| When welding 5/16" plate in the field, a welder must be certified for |
|
Definition
|
|
Term
| Re-entrant copes shall have a minimum radius of: |
|
Definition
|
|
Term
| Where tight fit of intermediate stiffeners is specified, it shall be defined as allowing a gap of up to |
|
Definition
|
|
Term
|
Definition
| Welding current too high or arc length too long |
|
|
Term
| In order to insure sound welds at the ends of a joint. The following shall be used |
|
Definition
| Extension bars & runoff plates |
|
|
Term
| In repairing cracks in a weld, remove the crack and sound weld metal how far beyond each end of the crack |
|
Definition
|
|
Term
| The removal of slag from a deposited weld bead is: |
|
Definition
|
|
Term
| What electrodes have low hydrogen coating? |
|
Definition
| Electrodes ending 5, 6, or 8. |
|
|
Term
| With which process would an ER70S-X electrode be used |
|
Definition
|
|
Term
| Oven storage of low hydrogen electrodes is: |
|
Definition
| To avoid damage by atmospheric moisture |
|
|
Term
| Welded joints not pre-qualified shall be: |
|
Definition
|
|
Term
| Welder certification may be waived by |
|
Definition
|
|
Term
| Peening is not permitted on |
|
Definition
Root and surface layers of welds
5.27 |
|
|
Term
| The suggested minimum nominal thickness of backing bars for SMAW process is |
|
Definition
|
|
Term
| Pre-heat and interpass temperatures must be sufficient to |
|
Definition
|
|
Term
Low hydrogen electrodes exposed to the atmosphere for longer periods then that permitted by codes shall be £
redried no more than |
|
Definition
|
|
Term
| The minimum effective length of a fillet weld shall be: |
|
Definition
| Overall length of full size fillet including boxing |
|
|
Term
| Caulking of welds; What is it and is it permitted |
|
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
| In gas metal arc welding the electrode is: |
|
Definition
|
|
Term
| The effective area of a fillet weld is: |
|
Definition
| The effective weld length X the effective throat. |
|
|
Term
| The minimum length of an intermittent fillet weld shall be: |
|
Definition
|
|
Term
| The 'U' in joint designation TC-U9a refers to: |
|
Definition
| Metal thickness, U = Unlimited |
|
|
Term
| Arc strikes outside the area of permanent welds should be: |
|
Definition
|
|
Term
| Base metal specification may be found in: |
|
Definition
|
|
Term
Information regarding back gouging of roots in a single bevel groove weld without backing is found in footnote
section: |
|
Definition
|
|
Term
| What is the required root opening for the SMA welded CJP single-U-groove weld: |
|
Definition
|
|
Term
| When spacers are used in the double-bevel groove weld, the weld is not to be complete until: |
|
Definition
| Spacer removed by gouging to sound metal be-fore welding second side. |
|
|
Term
| The size of the spacer for double-V groove weld using a 30° bevel and welded in the overhead position shall be: |
|
Definition
|
|
Term
What is the required root opening for a single-V-groove weld to a back-up strip welded in the vertical position
at 20° angle: |
|
Definition
|
|
Term
| A single J-groove weld preparation in the horizontal position shall be made with SMAW & groove angle of: |
|
Definition
|
|
Term
| What is the root opening for a partial joint penetration square groove weld butt joint of material 1/4" thick: |
|
Definition
|
|
Term
| A break in the arrow shaft in the symbol in the single bevel groove weld indicates: |
|
Definition
|
|
Term
| What is the maximum base metal thickness in a single bevel groove weld: |
|
Definition
|
|
Term
| What is the included angle of preparation for the double-V-groove weld. Using a spacer and a 1/2" root |
|
Definition
|
|
Term
| In an E70 1 8 electrode, what does the E designate |
|
Definition
|
|
Term
| Before welding a joint, the surfaces to be welded shall be free of what? |
|
Definition
| Scale, slag, rust, moisture, grease, etc. |
|
|
Term
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? |
|
Definition
|
|
Term
| It is usually good practice to oscillate which of the mild steel SMAW electrodes |
|
Definition
|
|
Term
| The E7024 electrode may be used in what positions? |
|
Definition
|
|
Term
| Which of the SMAW electrodes has an iron powder covering? |
|
Definition
| Electrodes with last digit "4" |
|
|
Term
| Which of the SMAW electrodes has an iron powder and low-hydrogen covering? |
|
Definition
| Electrodes with last digit "8" |
|
|
Term
| Which welding process would an E7018 electrode be used with? |
|
Definition
|
|
Term
| Which welding process would an E70T-X electrode be used with? |
|
Definition
|
|
Term
| Single bevel groove, with 45° angle and backing, the root opening must be what? |
|
Definition
|
|
Term
| The maximum size of a fillet weld in the flat position, and in one pass shall be how much? |
|
Definition
|
|
Term
| Continuous solid wire electrode ( E70S-X ) used in semi-automatic welding would be used in which process? |
|
Definition
|
|
Term
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.? |
|
Definition
|
|
Term
| What is the minimum thickness of material to be used for weld washers? |
|
Definition
|
|
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? |
|
Definition
|
|
Term
| The maximum size electrode allowed for the root pass of an overhead fillet weld is what diameter? |
|
Definition
|
|
Term
What is the maximum permitted carbon equivalent for reinforcing steel that may be welded without prior qualification
tests? |
|
Definition
|
|
Term
| The first 7 in the E71T-7 designates what? |
|
Definition
| The tensile strength in 10,000's of psi |
|
|
Term
| The last digit "7" in E7027 designates what? |
|
Definition
Type of flux coating on electrode - Iron powder /
Iron oxide; & type of current used - AC or
DCEN. |
|
|
Term
| When welding a flat fillet root pass, the largest allowable electrode is what diameter? |
|
Definition
|
|
Term
| The "S" in E70S-3 designates what? |
|
Definition
| GMAW - Solid wire electrode |
|
|
Term
| The digit "1" in E7018 indicates that welding is to be in what positions? |
|
Definition
|
|
Term
| Which of the SMAW electrodes has an iron powder and iron oxide covering? |
|
Definition
SMAW mild steel electrodes where last digit is
"7", ie. E6027 |
|
|
Term
| The E6011 electrode will give more penetration than all other SMAW electrodes except what? |
|
Definition
|
|
Term
| The "60" in E6011 indicates what |
|
Definition
| 60,000 psi Tensile strength |
|
|
Term
The effective throat thickness of a fillet weld is computed by measuring the shortest distance between what two
points?
{AW |
|
Definition
|
|
Term
Low hydrogen shielded metal arc electrodes shall be protected from moisture. The E70XX low hydrogen electrodes
shall be returned to an oven within what period of time? |
|
Definition
|
|
Term
In butt weld root pass in the horizontal position,the thickness of weld metal that may be built up behind the ad-
vancing arc shall be how large? |
|
Definition
|
|
Term
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? |
|
Definition
| 0.055 = approx. 1/16 inch. |
|
|
Term
Even if prior qualification is made, what is the maximum permitted carbon equivalent for reinforcing steel that
is to be welded? |
|
Definition
|
|
Term
| In which positions is 1/2" the maximum size allowed for a fillet weld made in one pass? |
|
Definition
|
|
Term
| Using DC straight polarity, the electrode is which; . . . . positive, negative or neutral |
|
Definition
|
|
Term
The minimum preheat and interpass temperature for ASTM A572 grade 60 structural steel 2" thick welded with ™
SMAW process is how much? |
|
Definition
|
|
Term
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? |
|
Definition
|
|
Term
| The largest electrode permitted when welding in the flat position is what diameter |
|
Definition
|
|
Term
| E7018 electrodes are used with what type of welding current |
|
Definition
|
|
Term
| Should back-up strips or bars be removed from all welds? Explain |
|
Definition
| No; Not mandatory but permissible |
|
|
Term
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? |
|
Definition
|
|
Term
| Except for root pass, the largest electrode permitted for out of position welding is what diameter |
|
Definition
|
|
Term
| Reverse polarity means that the electrode is which; .. . positive, negative or netural ? |
|
Definition
|
|
Term
| What does "CJP" in the tail specifications part of a weld symbol mean? |
|
Definition
| Complete Joint Penetration |
|
|
Term
| What kind of metal is classified as 6061-T6? |
|
Definition
|
|
Term
Safety precautions shall conform to the latest edition of what specification published by the American Welding
Society? |
|
Definition
|
|
Term
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? |
|
Definition
|
|
Term
The amount of lap required for a fillet welded lap joint shall be at least five times the thickness of the thinner
plate not less than how much? |
|
Definition
|
|
Term
| Backing strips are used to prevent melting through roots of grooves welds by using what for backing material? |
|
Definition
| Metal, weld metal, carbon,flux, gas, glass tape, etc. |
|
|
Term
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? |
|
Definition
|
|
Term
| The minimum thickness of a plug or slot weld in 3/8" plate is how much? |
|
Definition
|
|
Term
| The largest size of crater permitted and left at the end of a weld is how much? |
|
Definition
| No crater of any size is allowed |
|
|
Term
| A fillet weld when measured for size shall be measured how? |
|
Definition
Leg length of the largest inscribed isosceles rt.
triangle |
|
|
Term
| what are the education and experience requirements for a CWI? CAWI? |
|
Definition
| CWI: 5 years experience, or 3 years & a technical degree; CAWI: 2 years experience, or 6 months & a technical degree |
|
|
Term
| welding inspectors can be categorized how? |
|
Definition
| 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 |
|
|
Term
| what document(s) cover(s) safety in welding and cutting? |
|
Definition
|
|
Term
| which is most general of the following terms: code, standard, specification? |
|
Definition
|
|
Term
| ASME B31.1 & B31.3 cover what subjects? |
|
Definition
| B31.1 covers pressure vessels and power piping, B31.3 covers chemical process piping |
|
|
Term
| Interpass temperatures are measured what distance from the joint? |
|
Definition
|
|
Term
| What topics are covered by ASME Boiler and Pressure Vessel Code sections V, VIII, & IX? |
|
Definition
| V covers nondestructive examination; VIII covers Unfired Pressure Vessels, and IX covers Welding and Brazing Qualifications |
|
|
Term
| In structural applications, when the metal thickness is less than 1/8", what AWS code applies? |
|
Definition
|
|
Term
| Fillet welds may be measured using a tolerance of :____ |
|
Definition
|
|
Term
| is the name of the document that prescribes the details of how a weld must be performed. |
|
Definition
| WPS - Welding Procedure Specification |
|
|
Term
| When it is impractical for the welding inspector t witness all tests and observe all welds during production, what kind of inspection results? |
|
Definition
|
|
Term
| the welding inspector is responsible for judging acceptability of a product in accord with what? |
|
Definition
|
|
Term
| which code choices are available for taking AWS QC1 CWI/CAWI exams? |
|
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 |
|
|
Term
| AWS D1.1 specifies that nondestructive testing must be performed by an individual qualified in accordance with what document? |
|
Definition
|
|
Term
| ASME B31.1 & B31.3 cover what subjects? |
|
Definition
| B31.1 covers pressure vessels and power piping, B31.3 covers chemical process piping |
|
|
Term
| Interpass temperatures are measured what distance from the joint? |
|
Definition
|
|
Term
| welding symbols are defined in what publication? |
|
Definition
|
|
Term
| What topics are covered by ASME Boiler and Pressure Vessel Code sections V, VIII, & IX? |
|
Definition
| V covers nondestructive examination; VIII covers Unfired Pressure Vessels, and IX covers Welding and Brazing Qualifications |
|
|
Term
| In structural applications, when the metal thickness is less than 1/8", what AWS code applies? |
|
Definition
|
|
Term
| which code choices are available for taking AWS QC1 CWI/CAWI exams? |
|
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 |
|
|
Term
| for fillet welds on material greater than 1" thick or greater, what is the allowable undercut? Are there exceptions? |
|
Definition
|
|
Term
| in cases of dispute over welding terms, what document prevails? |
|
Definition
|
|
Term
| the standard describing the requirements for welding cross-country pipeline is: |
|
Definition
|
|
Term
| acetylene becomes unstable above what pressure? |
|
Definition
|
|
Term
| safety training is mandated under the provisions of what agency? |
|
Definition
|
|
Term
| Name the ending numbers in the classification E-70XX for low hydrogen SMAW electrodes |
|
Definition
|
|
Term
| Name the position numbers in the classification of E-70XX SMAW electrodes |
|
Definition
| 701X is all positions, 702X is flat and horizontal only |
|
|
Term
| T or F: according to AWS D1.1, steel backing on groove welds must be continuous. |
|
Definition
|
|
Term
| At what level are currents considered "primary shock currents" and hence dangerous? |
|
Definition
|
|
Term
| what is the most common ASTM structural steel? What is its minimum yield strength? What is its minimum Ultimate Tensile Strength (UTS)? |
|
Definition
| A-36, 36ksi (36,000 psi), and 58ksi |
|
|
Term
| AWS D1.1 states that all surfaces to be welded and surfaces adjacent must be free from what elements? |
|
Definition
| thick scale, slag, moisture, rust, grease, and other foreign material. Paint & mill scale (not loose or thick) are acceptable |
|
|
Term
| what is the numerical designation for the AWS filler metal specification "Carbon Steel Covered Arc Welding Electrodes"? |
|
Definition
|
|
Term
| what is the numerical designation for the AWS filler metal specification "Low Alloy Steel Covered Arc Welding Electrodes"? |
|
Definition
|
|
Term
| The American Welding Society certifies welding inspectors according to what document? |
|
Definition
|
|
Term
| what topics do the sections of AWS D1.1 cover? |
|
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 |
|
|
Term
| what are the two kinds of welding inspectors defined by the AWS D1.1? What are their roles? |
|
Definition
| Fabrication/Erection (QC), and Verification (QA) |
|
|
Term
| "Authorized Inspector" is a term associated with what? By what organization are they certified? |
|
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 |
|
|
Term
| How often are new editions of the AWS AD1.1 published? |
|
Definition
|
|
Term
| what does the "Code of Ethics" of the AWS QC1 consider to be the most important obligation of a welding inspector |
|
Definition
|
|
Term
|
Definition
|
|
Term
| For material less than 1" thick what is the maximum allowable undercut in a fillet weld? Are there exceptions? |
|
Definition
| 1/32" exception: up to 1/16" for any accumulated length up to 2" in 12" |
|
|
Term
| the term "Contract Documents" refers to what? |
|
Definition
| 1) all applicable codes; 2) the (structural) plans; 3) the specifications |
|
|
Term
|
Definition
| a document that describes the requirements for a particular object or component |
|
|
Term
| what is a weld discontinuity? |
|
Definition
| an interruption in the typical structure of the material |
|
|
Term
|
Definition
| a discontinuity or discontinuities that render a product unacceptable |
|
|
Term
|
Definition
|
|
Term
| the maximum atmospheric exposure time allowed by AWS D1.1 for E-7018 electrodes is what? |
|
Definition
|
|
Term
| According to AWS D1.1, the separation between faying surfaces of butt joints landing on a backing bar cannot exceed what amount? |
|
Definition
|
|
Term
| what is the national organization for concrete and soils technicians? |
|
Definition
|
|
Term
| under the provisions of AWS D1.1, who is ultimately and legally responsible for assuring that the welders are certified? |
|
Definition
|
|
Term
| most often, preheat and interpass temperatures are measured using what? |
|
Definition
| temperature-indicating crayons (also contact pyrometer) |
|
|
Term
| 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? |
|
Definition
| 3" (or thickness of material, whichever is greater)) |
|
|
Term
| ASTM is an abbreviation for what? |
|
Definition
| American Society for Testing and Materials |
|
|
Term
| once removed from their original containers, AWS D1.1 requires that low-hydrogen electrodes be maintained in electrode ovens at what minimum temperature? |
|
Definition
|
|
Term
|
Definition
| Independent Testing Laboratory |
|
|
Term
| A CWI or CAWI must have passed what eye test(s)? |
|
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) |
|
|
