Term
| What metals cannot be efficiently cut with OFC? |
|
Definition
| stainless steel cast rion |
|
|
Term
| Electrical conductivity of a part is the primary requirement for which NDE method? |
|
Definition
|
|
Term
| The melting point of carbon steel is approximately: |
|
Definition
|
|
Term
| Decibel is a term associated with which NDE method? |
|
Definition
|
|
Term
| Which GMAW metal transfer mode results in the least amount of penetration? |
|
Definition
|
|
Term
| What gas(es) are commonly used as a shielding gas for GTAW? |
|
Definition
|
|
Term
| NDE technicians are certified in accordance with |
|
Definition
|
|
Term
| When a metal is alloyed, how are the atoms of the alloy incorporated into the original metal lattice structure? |
|
Definition
| substitutionally or interstitialy |
|
|
Term
| A wire IQI is used in which NDE method? |
|
Definition
|
|
Term
| In general, what is not commonly used as a semiautomatic process? |
|
Definition
|
|
Term
| Items to be monitored by VT after welding are: |
|
Definition
extent of welding
final weld appearance
dimensional accuracy
amount of distortion |
|
|
Term
| Crater cracks are most often the result of |
|
Definition
|
|
Term
| The tail of a welding symbol should not be used for |
|
Definition
|
|
Term
| During tempering, as the temperature increases, what happens? |
|
Definition
|
|
Term
| In GMAW, the distance from the end of the contact tube tot he arc is |
|
Definition
|
|
Term
| What are the types of metal transfer in GMAW |
|
Definition
Spray
short circuiting
globular
pulsed arc |
|
|
Term
| Ultraviolet light may be used with which NDE methods? |
|
Definition
|
|
Term
| The techniques aid in reducing residual stress are: |
|
Definition
peening
vibratory stress relief
thermal stress relief
preheating |
|
|
Term
| What is not detected with VT? |
|
Definition
|
|
Term
| Heat treatment conditions can be determined using what? |
|
Definition
|
|
Term
| What elements are commonly used as alloying elements with tungsten to produce STAW electrodes? |
|
Definition
|
|
Term
| For single bevel-groove weld symbols, the line of the AWS weld symbol running perpendicular to the reference line is always drawn on which side of the weld symbol? |
|
Definition
|
|
Term
| The portion of the groove face within the joint root is called: |
|
Definition
|
|
Term
| NDE technicians are usually qualified in accordance with the requirements of: |
|
Definition
|
|
Term
| What are the factors that have the least effect on the residual stress and distortion that results from welding? |
|
Definition
|
|
Term
| Capillary action plays a role in which NDE method? |
|
Definition
|
|
Term
| What test would be least effective for judging the soundness of weld int he as-welded condition? |
|
Definition
|
|
Term
| Arc blow cannot be caused by: |
|
Definition
|
|
Term
| what shielding gases is used for GMAW spray transfer on steel? |
|
Definition
|
|
Term
| What discontinuity will provide the sharpest MT indication? |
|
Definition
|
|
Term
| In SMAW, an increase in arc length results in |
|
Definition
| decreased current; increased voltage |
|
|
Term
| Weld inspection reports should always: |
|
Definition
| be completed in ink, or typewritten and signed |
|
|
Term
| The ability to be cyclically loaded without failing is related to what properties of a metal? |
|
Definition
|
|
Term
| In GMAW, the type of metal transfer requiring a special power source is: |
|
Definition
|
|
Term
| What is truly a volumetric weld test method? |
|
Definition
|
|
Term
| Use of preheat will result in: |
|
Definition
| a slower cooling rate and wider heat-affected zone |
|
|
Term
| What method is most likely to use a transducer to scan for flaws? |
|
Definition
|
|
Term
| For plain carbon steels, how are hardness and tensile strength related? |
|
Definition
| increase hardness; increase tensile strength |
|
|
Term
| In GMAW, the welding variable controlled by the wire feed speed is: |
|
Definition
|
|
Term
| The welding variables used to calculate heat input are: |
|
Definition
| (voltage * current) / travel speed |
|
|
Term
| As the temperature of the base metal is decreased: |
|
Definition
impact strength decreases
tensile strength increases
ductility decreases
hardness increases |
|
|
Term
| During RT, what provides the best protection from radiation for a given thickness? |
|
Definition
|
|
Term
| A weld inspection plan should be developed: |
|
Definition
|
|
Term
| If the weld symbol straddles the reference line, it means: |
|
Definition
| weld has no side significance |
|
|
Term
| An 7018 SMAW electrode exhibits what characteristics? |
|
Definition
| low hydrogen: AC and DCEP; iron powder |
|
|
Term
| Piezoelectricity is a material property used by which NDE method? |
|
Definition
|
|
Term
| Thermal treatment that follows quenching and restores some of the metal's ductility is referred to as: |
|
Definition
|
|
Term
| What method is often used to eliminate the high residual stress created by welding? |
|
Definition
|
|
Term
| The physical principle that permits the migration of liquid penetrant into very fine surface discontinuities is: |
|
Definition
|
|
Term
| The process whereby a large gap is filled with braze material without the help of capillary action is: |
|
Definition
|
|
Term
| What contains ferrous base metal specifications? |
|
Definition
|
|
Term
| What is considered to be the most portable method of magnetization when conduction a magnetic particle test? |
|
Definition
|
|
Term
|
Definition
the detection of surface flaws
both AC and DC methods
the detection of surface flaws tightly closed by carbon, slag, or contaminants
the fact that it is faster the PT |
|
|
Term
| In general, an increase in the carbon equivalent of a carbon steel will result in an increase in its: |
|
Definition
|
|
Term
| A welding process commonly used to join light gage stainless steel tubing for critical applications is: |
|
Definition
|
|
Term
| Hydrogen in the molten weld metal can cause: |
|
Definition
|
|
Term
| What is the results from improper termination of the SMAW electrode and shrinking of the molten weld pool during welding? |
|
Definition
|
|
Term
| Entrapped slag can result when using: |
|
Definition
|
|
Term
| The material property that best describes its ability to withstand a static load is: |
|
Definition
|
|
Term
| The presence of pain on the surface of apart will most greatly affect the results of which NDE method? |
|
Definition
|
|
Term
| If no information appears to the left of a groove weld symbol, this means: |
|
Definition
| the weld is to be complete joint penetration |
|
|
Term
| What is not easily detected using RT that is perpendicular to the weld center line? |
|
Definition
| side wall incomplete fusion at a bevel angle of 35 degrees |
|
|
Term
| Dwell time is a term associated with which NDE method? |
|
Definition
|
|
Term
| The material property expressed in terms of an endurance limit is: |
|
Definition
|
|
Term
| Fracture toughness results will often be expressed in terms of: |
|
Definition
|
|
Term
| Shielding of the molten pool in OFW is accomplished by: |
|
Definition
|
|
Term
| The last digit of an SMAW electrode designation if an indication of: |
|
Definition
| operating characteristics |
|
|
Term
| ET can be used to detect: |
|
Definition
a material's conductivity
a material's hardness
a thin material's thickness
a material's heat treatment |
|
|
Term
| For an SMAW electrode designation E60X3 the 'X' refers to: |
|
Definition
| the positiom in which the electrode can be used |
|
|
Term
| The property of a material that best relates to its resistance to impact loading is: |
|
Definition
|
|
Term
| what is most likely to be a flaw caused during the manufacture of steel? |
|
Definition
|
|
Term
| What is considered to be an advantage of VT? |
|
Definition
| discontinuities can be located and noted when they occur |
|
|
Term
| What is considered to be part of the welding inspector's responsibility to the public? |
|
Definition
| undertaking only those assignments for which the inspector is qualified |
|
|
Term
| What is performed primarily in the flat and horizontal position? |
|
Definition
|
|
Term
| A groove weld symbol with no information appearing to the right means: |
|
Definition
| the weld is to be continuous for the entire joint length |
|
|
Term
| The welding process that requires a tubular electrode is: |
|
Definition
|
|
Term
| The property relating to a metal's resistance to indentation is: |
|
Definition
|
|
Term
| LT is the abbreviation for: |
|
Definition
|
|
Term
| Filler metal specifications are found in what documents? |
|
Definition
|
|
Term
| What does the flux covering on an SMAW electrode provide? |
|
Definition
gas shielding for the molten pool
arc stabilization
alloying
deoxidation |
|
|
Term
| When a weld joint preparation is found to be defective, the inspector should: |
|
Definition
| report the deficiency tot he proper supervisory personnel |
|
|
Term
| The orientation of the probing energy source with respect to that of a flaw is considered to be a significant variable for which NDE method? |
|
Definition
|
|
Term
| Information that appears tot he left of the weld symbol refers to: |
|
Definition
|
|
Term
| Which process uses a granular flux that can be manually added to the weld pool? |
|
Definition
|
|
Term
| What micro-structural constituents are the hardest? |
|
Definition
|
|
Term
| In radiography, the image on the film of a groove weld with a crack extending from the face to the root: |
|
Definition
| appears as a well-defined, high density, darkly shaded, sharp line |
|
|
Term
| A material's ductility is commonly expressed in terms of: |
|
Definition
| percent elongation and reduction of area |
|
|
Term
| Who is responsible for verify welding procedures have been properly qualified? |
|
Definition
|
|
Term
| What MT technique could be used for the discovery of longitudinal flaws on a pipe using a stationary MT machine or bench unit? |
|
Definition
|
|
Term
| What code gives prequalified status to certain weld joint configurations? |
|
Definition
|
|
Term
| Information that appears tot he right of the weld symbol refers to the: |
|
Definition
|
|
Term
| When a clerical mistake is made while completing an inspection report, the inspector should: |
|
Definition
| line out the error with a single line, supply the proper information, and initial and date the occurrence in ink |
|
|
Term
| The rapid quenching of high carbon steel from the austenitizing range will result in the formation of: |
|
Definition
|
|
Term
| When an austenitized carbon steel is cooled to room temperature, an increase in the cooling rate will result in: |
|
Definition
| an increase in hardness and a decrease in ductility |
|
|
Term
| The heat treatment in which a carbon steel's temperature is raised to the austenitizing rang, held for a prescribed time and then allowed to cool to room temperature while remaining in the furnace is referred to as: |
|
Definition
|
|
Term
| In which direction does a rolled plate of carbon steel usually exhibit its leas amount of ductility? |
|
Definition
| in the through thickness direction |
|
|
Term
| When a weld has been rejected by a qualified NDE technician, the welding inspector should: |
|
Definition
| review the test results and maintain the test record |
|
|
Term
| If equal thicknesses of steel, cast iron, aluminum, lead, and copper are radio-graphed using the same exposure conditions, which material will result in the darkest radio-graph? |
|
Definition
|
|
Term
| The welding process that uses a non-consumable electrode is: |
|
Definition
|
|
Term
| The heat treatment in which the metal's temperature is raised to the austenitizing range, held for a prescribed time, and then allowed to cool to room temperature in still air is referred to as: |
|
Definition
|
|
Term
| In a guided bend test, the bend radius in: |
|
Definition
| as specified in the appropriate code or specificaiton |
|
|
Term
| An E71T-1 electrode designation if for which welding process? |
|
Definition
|
|
Term
| A break in the arrow line of a welding symbol has what significance? |
|
Definition
| The broken arrow line segment points that member which receives preparation. |
|
|
Term
| It is discovered that a GMAW mild steel weld was produced with a shielding gas containing excess moisture. To determine the extent of subsurface porosity that resulted, which NDE method would be most effective? |
|
Definition
|
|
Term
| What welding process utilizes a vertical joint orientation with welding occurring in the flat position? |
|
Definition
|
|
Term
| The heat treatment for carbon steels in which the metal's temperature is raised to just below the lower transformation temperature and held for a prescribed time before allowing it to cool at a controlled rate is referred to as: |
|
Definition
|
|
Term
| the position on metal's stress-strain curve referring to its change in behavior from elastic to plastic is the: |
|
Definition
|
|
Term
| Low-hydrogen electrodes can be properly identified by which digit of a classification number? |
|
Definition
|
|
Term
| All welding symbol information referring to the arrow side of the joint is found: |
|
Definition
|
|
Term
| The marking of a rejectable weld should |
|
Definition
| be clear and understandable to all involved |
|
|
Term
| MT can be used effectively to inspect what metals? |
|
Definition
|
|
Term
| what welding process is most commonly having the highest deposition rate? |
|
Definition
|
|
Term
| The use of preheat on a medium carbon steel weld test plate will perform all of the following |
|
Definition
reduce distortion
reduce the possibility of hydrogen cracking
produce a wide heat-effected zone
diffuse hydrogen |
|
|
Term
| The tensile test can bu use to provide values for what? |
|
Definition
yield point
ultimate tensile strength
modulus of elasticity
elastic limit |
|
|
Term
| What is no an acceptable method for controlling raw materials? |
|
Definition
|
|
Term
| In what document are the duties and responsibilities of a CWI described? |
|
Definition
|
|
Term
| All welding symbols require what basic elements in their construction? |
|
Definition
|
|
Term
|
Definition
| cannot be determined directly from the symbol |
|
|
Term
| Welding symbol information provided in figure requires: |
|
Definition
| field welding, weld-all-around, a fillet weld, the use of shielded metal arc welding |
|
|
Term
| A shielded metal arc weld was produced in which the welder failed to properly clean between passes in a multi-pass weld. what nondestructive test would best reveal the flaws that may be present in the completed weld? |
|
Definition
|
|
Term
| SMAW is typically used in what type of application? |
|
Definition
|
|
Term
| What position id depicted in the figure |
|
Definition
|
|
Term
| Under-bead cracking is primarily caused by: |
|
Definition
|
|
Term
| What is a correct statement about brazing? |
|
Definition
| the base metal is not melted |
|
|
Term
| What welding processes commonly use a constant current power source? |
|
Definition
|
|
Term
|
Definition
| welding a V-groove from the other-side of the joint |
|
|
Term
|
Definition
| on the entire length of the other side weld |
|
|
Term
| What discontinuities are associated with shrinkage stresses in the through thickness direction of thick plate? |
|
Definition
|
|
Term
| What welding technique describes a welding process in which the filler metal feeding is machine operated while the joint travel speed and guidance are the responsibility of the welder? |
|
Definition
|
|
Term
|
Definition
| a V-groove weld arrow-side with melt-through |
|
|
Term
|
Definition
|
|
Term
| The width of the cut produced during a cutting process is referred to as: |
|
Definition
|
|
Term
| For the 2G position in pipe welding: |
|
Definition
| the axis of the pipe is vertical and the plane of the weld is horizontal. |
|
|
Term
| During operation, the heat for electro-slag welding is provided by: |
|
Definition
| the electrical resistance heating of the molten slag |
|
|
Term
| Using th eappropriate conversion factor, determine the approximate cubic feet per hour (cfh) for a flow rate of 22 liters per minute. |
|
Definition
|
|
Term
| It is suspected that a GMAW weld was produced in an area where there was an excessive draft. What nondestructive test would best reveal the internal discontinuities which may have resulted? |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| If a contour symbol is used but the finishing method is not specified on the welding symbol: |
|
Definition
| the desired contour must be as-welded. |
|
|
Term
| In order to learn the exact location of a subsurface flaw in the three directions, the best NDE method would be |
|
Definition
|
|
Term
| The surface of a member included in the groove of a weldment best describes: |
|
Definition
|
|
Term
| Crater cracks can be the result of: |
|
Definition
| poor welding technique abrupt termination of welding shrinkage of the molten pool under-fill of the crater |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| Using the appropriate conversion factor provided in the chart on page 40, determine the approximate degrees Celsius for a preheat temperature of 225F |
|
Definition
|
|
Term
| What weld is not considered applicable for a but joint? |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| What is not a type of weld joint |
|
Definition
|
|
Term
| When using SMAW,wet electrode will most likely cause? |
|
Definition
|
|
Term
| What is considered to be an acceptable way to provide backing for a V-groove weld in a carbon steel but joint? |
|
Definition
| copper backing bar ceramic backing flux backing backing weld |
|
|
Term
| A welder deposits an average of 12 pounds of weld metal per hour. Using the appropriate conversion factor provided in the chart on page 40, determine the approximate kilograms of the weld metal that will be deposited in 6 hours of continuous welding. |
|
Definition
|
|
Term
| A single-wire, submerged arc welding machine is operating at 32 volts, 600 amps , and is traveling at 8 inches per minute. using the formula provided below, what is the heat input of this situation? heat input = J/in = V X A X 60/ travel speed (ipm) |
|
Definition
|
|
Term
| The pipe welding test position in which the axis of the pipe is horizontal and the pipe is rotated so that welding takes place at or near the top is designated as |
|
Definition
|
|
Term
| The most efficient NDE method for discovery of undercut on the face of a weld is |
|
Definition
|
|
Term
| The design strength of a fillet weld is always based on the throat dimension because: |
|
Definition
| it is the shortest failure path through the weld |
|
|
Term
| Arc strikes are discontinuities most commonly associated with |
|
Definition
|
|
Term
| Double-groove welds in butt joints always require: |
|
Definition
| weld to be deposited from both sides of the joint |
|
|
Term
|
Definition
|
|
Term
| Light-colored areas within the weld zone in a radio-graph could represent: |
|
Definition
| tungsten inclusions and melt-through |
|
|
Term
| A single V-groove weld requires |
|
Definition
| CJP unless otherwise specified |
|
|
Term
| The substance used in UT to aid in the transmission of sound from the search unit to the work-piece and back is called |
|
Definition
|
|
Term
| Using the appropriate conversion factor from the chart on page 40, determine the approximate kilogram weight of a 30 pound roll of welding wire. |
|
Definition
|
|
Term
| The junction of the weld face with the exterior surface of the base metal is referred to as the |
|
Definition
|
|
Term
| Internal plate laminations are best revealed using |
|
Definition
|
|
Term
| Porosity in GMAW can be caused by |
|
Definition
drafts
contamination
too little shielding gas flow
too much shielding gas flow |
|
|
Term
| The overhead fillet position is designated as |
|
Definition
|
|
Term
|
Definition
| incomplete joint penetration |
|
|
Term
|
Definition
|
|
Term
|
Definition
| lack of penetration due to poor starts and stops |
|
|
Term
| What is an example of an electrode classification number for GTAW |
|
Definition
|
|
Term
| In a groove-weld cross section, the 'line' separating weld metal from base metal is called |
|
Definition
|
|
Term
|
Definition
|
|
Term
| In pipe groove welding, the 45 degree fixed position is designated as |
|
Definition
|
|
Term
| Using the appropriate conversion factor provided in the chart on page 40 determine the approximate feed speed in inches per minute for a wire fed at a speed of 120 mm/s |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| the beginning of the joint root |
|
|
Term
|
Definition
|
|
Term
|
Definition
| the effective throat and the actual throat |
|
|
Term
|
Definition
|
|
Term
| One common cause of centerline weld cracks is |
|
Definition
| a highly restrained weld joint |
|
|
Term
| Using the appropriate conversion factor from the chart on page 40, determine the approximate pounds per square in (PSI) for a yield strength of 198 MPa |
|
Definition
|
|
Term
| Which NDE method will best reveal subsurface porosity? |
|
Definition
|
|
Term
| In a PT examination scattered round indications on the surface of a weld could be indicative of: |
|
Definition
|
|
Term
| Using the conversion factor provided in the chart on page 40, determine the approximate MPA for a tensile strength of 65,000 psi |
|
Definition
|
|
Term
| an MT indication of a subsurface discontinuity 1 in below the surface will appear how as compared to a surface discontinuity? |
|
Definition
| MT cannot detect a subsurface flaw 1 in below the surface |
|
|
Term
| what conditions can cause slag inclusions in a weld? |
|
Definition
| insufficient groove angle in an SMAW single V-groove weld |
|
|
Term
| What is meant by the term essential variable? |
|
Definition
| Data on WPS that if changed beyond code limits during production will render a WPS disqualified. |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| Where should the preheat temperature be measured? |
|
Definition
| 2 in - 3 in from point if welding |
|
|
Term
|
Definition
| an interruption in the uniformity of a weldment |
|
|
Term
|
Definition
|
|
Term
| An oxygen regulator is set for 40 PSI. Using the appropriate conversion factor from the chart on page 40, determine the pressure in kPa |
|
Definition
|
|
Term
| What discontinuities can be caused by poor welding technique? |
|
Definition
incomplete fusion
porosity
undercut
overlap |
|
|
Term
| If a welder is continually turning out rejectable work, the welding inspector should |
|
Definition
|
|
Term
| How does a welder become certified? |
|
Definition
| by documenting successful completion of a weld test according to the requirements of an applicable standard |
|
|
Term
| Which discontinuity occurs in the feat-affected zone and can result from excess moisture in the weld zone? |
|
Definition
|
|
Term
| What measurements are taken from a tensile specimen to determine area? |
|
Definition
|
|
Term
|
Definition
| the type and number of tests required is determined by the applicable standard |
|
|
Term
| What discontinuities is not associated with GTAW? |
|
Definition
|
|
Term
| Convert a travel speed of 21 ipm to mm/s |
|
Definition
|
|
Term
Calculate the ultimate tensile strength in MPa of a tensile specimen having a cross-sectional area of 0.300 sq in and which broke at a tensile load of 24,600 lbs
load (lbs)/area of specimen (sq in) = tensile strength (psi) |
|
Definition
|
|
Term
|
Definition
| inspects weldments only under the direction of a CWI or SCWI |
|
|
Term
| The performance of what test methods is least affected by high part temperatures? |
|
Definition
|
|
Term
| Base metal thickness can be determined using what |
|
Definition
|
|
Term
| The mating surface between two overlapping base metals to be joined is called |
|
Definition
|
|
Term
| A developer is used as one of the steps in which NDE method? |
|
Definition
|
|
Term
| ET is the abbreviation for what NDE method? |
|
Definition
|
|
Term
| To be most effective, visual inspection must be conducted |
|
Definition
| before welding, during welding and after welding |
|
|
Term
| What conditions can cause porosity in a weld? |
|
Definition
| welder technique, damp electrodes, oily base metal, and rainy weather |
|
|
Term
| What are the common causes of undercut when using SMAW? |
|
Definition
| weld current too high improper electrode manipulation welding electrode too large improper electrode angle |
|
|
