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AWS NDE Coordination study materials
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AWS NDE Coordination practice questions

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Question 1Nondestructive Examination Coordination

Under AWS requirements, who is responsible for verifying that NDE personnel hold the certifications required by the applicable code before examination begins?

  1. The client's purchasing department
  2. The welding supplier who delivered the consumables
  3. The individual NDE technician performing the examination
  4. The NDE coordinator or quality manager responsible for personnel qualification records Correct answer.

Explanation

Qualification and certification records must be verified by the responsible quality or NDE function before work starts, because the code places the burden on the fabricator's quality system rather than on the technician. The technician cannot self-certify, and suppliers or purchasing staff have no role in personnel qualification.

Question 2Nondestructive Examination Coordination

A project requires radiographic examination of butt welds in 12 mm plate. Which document should the NDE coordinator consult first to confirm acceptance criteria for the completed weld?

  1. The applicable AWS code section referenced in the project specification Correct answer.
  2. The shop's internal paint specification
  3. The electrode manufacturer's data sheet
  4. The equipment calibration certificate

Explanation

Acceptance criteria for weld discontinuities are defined by the governing code section invoked by the project specification, so that document governs. Electrode data, coating specifications, and calibration records address different concerns and do not establish acceptance limits.

Question 3Nondestructive Examination Coordination

Which of the following best describes the purpose of a written NDE procedure qualified to the applicable AWS code?

  1. To establish the contract price for examination services
  2. To define the technique, variables, and documentation needed to produce reproducible examination results Correct answer.
  3. To specify the base metal chemistry required for welding
  4. To replace the need for examiner certification on simple joints

Explanation

A qualified written procedure controls essential variables so that examinations are repeatable and defensible across personnel and shifts. It does not substitute for personnel certification, set commercial pricing, or dictate base metal chemistry.

Question 4Nondestructive Examination Coordination

During a visual examination of a fillet weld, the inspector finds undercut exceeding the code limit. What is the coordinator's most appropriate immediate action?

  1. Approve the weld because visual examination is only advisory
  2. Discard the inspection record and re-examine on the next shift
  3. Instruct the welder to cover the area with a cosmetic pass before recording
  4. Record the discontinuity, initiate a nonconformance report, and route it for disposition Correct answer.

Explanation

Discontinuities beyond acceptance limits must be documented and dispositioned through the quality system, which typically means a nonconformance report and evaluation for repair or acceptance by other means. Concealing or discarding the finding violates record integrity, and visual examination is a mandatory acceptance method, not advisory.

Question 5Nondestructive Examination Coordination

Which item is normally required on an NDE examination report to maintain traceability?

  1. The purchase order for the base metal
  2. The ambient humidity at the time of bidding
  3. The welder's hourly wage rate
  4. Unique weld or joint identification and the examination date Correct answer.

Explanation

Reports must link each examination to a specific joint and date so results can be traced to the weld, the examiner, and the procedure used. Commercial and procurement details are not part of the examination record.

Question 6Nondestructive Examination Coordination

What is the primary reason for performing a system performance check on magnetic particle equipment at the start of a shift?

  1. To satisfy the client's invoicing requirements
  2. To calibrate the welder's heat input settings
  3. To confirm the equipment still produces the required field strength and particle indication sensitivity Correct answer.
  4. To verify the base metal chemistry

Explanation

Performance checks confirm that magnetization and particle delivery remain within qualified limits so indications are detectable and comparable to the original qualification. They are technical quality controls, not billing formalities, and have nothing to do with welding parameters or metal chemistry.

Question 7Nondestructive Examination Coordination

A drawing note specifies "VT per AWS D1.1" for a complete joint penetration groove weld. What does this require the coordinator to ensure?

  1. Radiographic examination of the full joint length
  2. Only that the welder looked at the joint after welding
  3. Visual examination of the finished weld by qualified personnel against the code acceptance criteria Correct answer.
  4. Dye penetrant examination of the root pass

Explanation

A code-referenced visual examination note obligates qualified visual examination against the specified acceptance criteria and documentation of the results. It does not substitute for the welder's own observation, nor does it invoke radiographic or penetrant methods.

Question 8Nondestructive Examination Coordination

Which record most directly demonstrates that an ultrasonic examiner was qualified for the thickness range examined?

  1. A general employment application form
  2. A qualification record showing certification level and the thickness range demonstrated Correct answer.
  3. The equipment manufacturer's brochure
  4. A safety training attendance sheet

Explanation

Qualification records must show the certification level and the range of thickness or product forms for which the examiner demonstrated competence. Employment forms, brochures, and safety sheets do not establish technical qualification.

Question 9Nondestructive Examination Coordination

A subcontract NDE agency will perform phased array ultrasonic examination on a bridge fabrication project. Before mobilizing, what should the coordinator confirm about the agency's procedure?

  1. That the agency has the lowest bid among qualified suppliers
  2. That the agency owns at least two ultrasonic units
  3. That the procedure is qualified and approved for the specific joint configurations and code edition invoked Correct answer.
  4. That the procedure was written by the client's engineer

Explanation

Subcontractor procedures must be reviewed and accepted against the governing code edition and the actual joint geometries before work begins. Cost ranking, authorship by the client, and equipment counts do not establish technical adequacy.

Question 10Nondestructive Examination Coordination

Radiographic examination reveals a crack indication in a complete joint penetration groove weld. How should the coordinator classify this finding in the quality system?

  1. A cosmetic defect to be blended and left uninspected
  2. An acceptable condition if the crack is shorter than the weld length
  3. A recording error to be corrected without notifying the engineer
  4. A rejectable discontinuity requiring documented disposition, typically repair and re-examination Correct answer.

Explanation

Cracks are generally rejectable under AWS acceptance criteria regardless of length, so the finding must be documented and dispositioned, usually by repair followed by re-examination. Blending without verification or suppressing the record would violate code and quality system requirements.

Question 11Nondestructive Examination Coordination

An examiner reports that penetrant indications appeared but were wiped away and did not return during development. How should the coordinator interpret this result?

  1. The examination must be repeated with magnetic particle testing
  2. The weld definitely contains a crack requiring excavation
  3. The indications were likely nonrelevant, such as surface roughness or improper cleaning residue Correct answer.
  4. The penetrant batch has failed and all prior results are void

Explanation

Indications that wash or wipe away and do not reappear on development are typically associated with surface conditions or cleaning residues rather than open discontinuities. Confirming this requires attention to surface preparation and technique rather than automatic rejection of the weld.

Question 12Nondestructive Examination Coordination

The project specification requires ultrasonic examination of complete joint penetration groove welds in 25 mm steel, but the drawing also notes radiography. What should the coordinator do?

  1. Perform both examinations and report only the more favorable result
  2. Request clarification through the RFI process before scheduling either method Correct answer.
  3. Schedule radiography because it is always the governing method
  4. Ignore the drawing note and follow the specification only

Explanation

Conflicting examination requirements must be resolved through formal clarification so the executed scope matches the contract documents. Selecting results after the fact or unilaterally choosing one document creates documentation and compliance risk.

Question 13Nondestructive Examination Coordination

A welder repairs a rejected weld. What NDE requirement typically applies to the repaired area?

  1. Only a visual check by the welder is sufficient
  2. Re-examination is required only if the repair exceeds 100 mm in length
  3. The repaired area must be re-examined by the same method and acceptance criteria as the original weld Correct answer.
  4. No further examination is needed once the welder signs the repair

Explanation

Repairs restore the weld to the original design condition, so the same examination method and acceptance criteria apply to the repaired region. Self-verification by the welder or length-based exemptions do not satisfy code requirements.

Question 14Nondestructive Examination Coordination

Which practice best supports defensible NDE documentation when multiple examiners work on the same weld over several shifts?

  1. Results are recorded only when a discontinuity is found
  2. The welder records the examination results on behalf of the examiners
  3. A single summary entry is made at project closeout by the lead inspector
  4. Each examiner records identity, date, method, technique, and results for the portion examined Correct answer.

Explanation

Traceability requires that each examiner's work be attributable, dated, and described by method and technique so the record can be reconstructed. Deferred summaries, exception-only reporting, and welder-entered results all break the chain of accountability.

Question 15Nondestructive Examination Coordination

During magnetic particle examination of a fillet weld, the coordinator notes that the yoke is being used on a joint with restricted access and the legs cannot straddle the weld. What is the appropriate response?

  1. Increase particle concentration to compensate for the geometry
  2. Skip the joint and note it as inaccessible without further action
  3. Proceed with the yoke at reduced field strength
  4. Select an alternate magnetization technique or prod method qualified for the configuration Correct answer.

Explanation

When the yoke cannot be positioned to produce the required field direction and coverage, an alternate qualified technique must be selected for that geometry. Reducing field strength, skipping the joint, or altering particle concentration does not provide valid coverage.

Question 16Nondestructive Examination Coordination

An NDE report lists an acceptance decision but omits the code edition and acceptance criteria applied. Why is this a significant deficiency?

  1. The report is still valid because acceptance decisions are self-evident
  2. The acceptance decision cannot be verified or defended without the criteria and edition referenced Correct answer.
  3. The omission matters only for radiographic examinations
  4. Only the client's engineer needs to know which criteria were used

Explanation

Acceptance decisions are only meaningful when tied to a specific code edition and criteria set, because limits change between editions and projects. Without that reference, reviewers, auditors, and engineers cannot confirm the decision was correct.

Question 17Nondestructive Examination Coordination

A fabricator proposes to substitute ultrasonic examination for required radiography on a cyclically loaded bridge weld. What must occur before the substitution is implemented?

  1. Unilateral decision by the NDE agency based on equipment availability
  2. Written approval from the engineer of record under the contract's substitution provisions Correct answer.
  3. Verbal agreement between the NDE coordinator and the welder
  4. Approval by the coating supplier

Explanation

Method substitutions affect code compliance and must be approved in writing by the authority identified in the contract, typically the engineer of record. Informal agreement, agency preference, or unrelated parties cannot authorize a substitution.

Question 18Nondestructive Examination Coordination

Which factor most directly determines the required frequency of NDE sampling on a project governed by AWS D1.1?

  1. The ambient temperature in the fabrication shop
  2. The brand of welding machine used
  3. The examination extent specified in the contract documents and applicable code provisions Correct answer.
  4. The number of welders employed by the fabricator

Explanation

Sampling frequency is set by the contract documents together with the applicable code provisions, which may specify percentages or mandatory examination of certain joint types. Workforce size, shop temperature, and equipment brand do not establish examination frequency.

Question 19Nondestructive Examination Coordination

A coordinator must decide whether to accept an ultrasonic indication as a slag inclusion or a lack of fusion. Which approach is most defensible?

  1. Evaluate signal characteristics and geometry against qualified technique criteria, and confirm with a second method when ambiguous Correct answer.
  2. Reject the weld without further evaluation
  3. Average the amplitude readings and accept if below mid-scale
  4. Accept it as slag because slag is more common

Explanation

Characterizing indications requires evaluating signal behavior and geometry against the qualified technique, with cross-verification when the response is ambiguous. Assumptions based on frequency, rejection without evaluation, or arbitrary amplitude averaging are not valid characterization methods.

Question 20Nondestructive Examination Coordination

A project invokes an older edition of an AWS code while the fabricator's procedures were written to the current edition. What is the coordinator's best course of action?

  1. Apply whichever edition yields fewer rejections
  2. Assume the editions are identical for all NDE requirements
  3. Use the current edition only for documentation and the older edition for acceptance
  4. Compare the two editions for the affected requirements and document any differences before work proceeds Correct answer.

Explanation

Code editions can differ in acceptance limits, examination extent, and qualification requirements, so a documented comparison is needed to ensure the executed work matches the contract. Assuming equivalence, selecting by outcome, or splitting editions creates inconsistent and indefensible results.

Question 21Nondestructive Examination Coordination

An ultrasonic examiner reports a planar indication oriented transverse to the weld in a thick section. What coordination action is most appropriate?

  1. Disregard the indication because transverse scanning is optional
  2. Record the indication as acceptable because planar indications are permitted
  3. Re-examine only with radiography and close the finding
  4. Verify that the technique included transverse scan coverage and evaluate the indication against the applicable criteria Correct answer.

Explanation

Transverse-oriented discontinuities require scan coverage that can detect them, and the finding must be evaluated against the governing criteria once coverage is confirmed. Dismissing it as optional, closing it with another method alone, or assuming planarity is acceptable would be unsupported.

Question 22Nondestructive Examination Coordination

A fabricator wants to reduce examination cost by having the same individual perform the weld and the final visual acceptance examination. How should the coordinator respond?

  1. The arrangement is acceptable for fillet welds only
  2. The acceptance examination must be performed by qualified personnel independent of the production work Correct answer.
  3. The arrangement is acceptable if the welder holds a visual examiner certification
  4. The arrangement is acceptable if the client is informed afterward

Explanation

Final acceptance examination must be independent of the production activity so that acceptance decisions are objective and verifiable. Holding a certification does not remove the conflict of interest created by examining one's own work, and the requirement is not limited by joint type.

Question 23Nondestructive Examination Coordination

During a review of NDE records, the coordinator finds that a required examination was performed but the report lacks the equipment identification and calibration status. What is the most appropriate action?

  1. Void all examinations performed that month
  2. Accept the report because the examination was actually performed
  3. Trace the equipment and calibration records to reconstruct the documentation and correct the report Correct answer.
  4. Re-examine every weld listed on the report without further review

Explanation

Equipment identification and calibration status are essential to demonstrating that the examination was valid, so the records should be reconstructed and the report corrected. Accepting incomplete records or taking blanket corrective actions without investigation is disproportionate and unsupported.

Question 24Nondestructive Examination Coordination

Which situation most clearly requires the coordinator to suspend NDE work and escalate to engineering?

  1. The client asks for an additional copy of a report
  2. An examiner requests a shift change for personal reasons
  3. A new shipment of penetrant arrives at the shop
  4. A procedure's essential variables no longer match the joint configuration being examined Correct answer.

Explanation

When essential variables no longer match the actual joint configuration, the qualification basis for the examination is invalid and work must stop until engineering resolves it. Scheduling preferences, consumable deliveries, and report requests are routine and do not invalidate the technique.

Question 25Nondestructive Examination Coordination

A coordinator is planning examination for a project with both shop and field welds. Which planning consideration most affects the choice of NDE methods for field joints?

  1. Access, portability of equipment, and site conditions that may limit technique feasibility Correct answer.
  2. The number of shop employees assigned to the project
  3. The delivery schedule for structural bolts
  4. The color of the field primer applied to the steel

Explanation

Field examination planning is driven by physical access, equipment portability, and environmental conditions that constrain which qualified techniques can be applied. Coating color, shop staffing, and bolt deliveries do not determine method feasibility.

Question 26Nondestructive Examination Coordination

Which document normally defines the NDE methods, extent of examination, and acceptance criteria for a welded steel project?

  1. The welding consumable manufacturer's data sheet
  2. The fabricator's internal quality manual
  3. The project specification or contract documents Correct answer.
  4. The examiner's personal technique sheet

Explanation

The governing contract documents, typically the project specification together with the referenced code, establish which methods apply, how much of the work is examined, and what acceptance criteria govern. Internal manuals and technique sheets implement those requirements but cannot override them.

Question 27Nondestructive Examination Coordination

What is the main purpose of a written NDE procedure being reviewed and accepted before examination begins?

  1. To satisfy the client's invoicing requirements
  2. To replace the need for examiner certification
  3. To confirm the method, technique, and acceptance criteria match the governing code Correct answer.
  4. To document the examiner's hourly rate

Explanation

Procedure review verifies that the chosen method and technique, equipment, calibration, and acceptance criteria conform to the governing code and specification. It is a technical control, not an administrative or commercial step, and it never substitutes for personnel qualification.

Question 28Nondestructive Examination Coordination

A coordinator is assembling a package for magnetic particle examination of a weld. Which item belongs in the examination plan?

  1. The magnetization technique and the direction of the applied field relative to the weld Correct answer.
  2. The welder's travel speed and arc voltage
  3. The paint system specified for the finished structure
  4. The base metal purchase order number

Explanation

Magnetic particle detection depends on the field being oriented roughly perpendicular to the expected discontinuity, so the technique and field direction are core planning content. Welding parameters, purchasing records, and coating systems do not define the examination technique.

Question 29Nondestructive Examination Coordination

Which individual is responsible for confirming that an NDE report is complete and technically correct before it enters the project record?

  1. The project accountant
  2. The NDE coordinator or responsible level III reviewing the report Correct answer.
  3. The site security officer
  4. The welding consumable supplier

Explanation

Report review is a technical function performed by the coordinator or a responsible Level III who can judge whether the method, technique, results, and acceptance statement are correct and complete. Roles without NDE competence cannot perform this verification.

Question 30Nondestructive Examination Coordination

What does a calibration check on a thickness gauge or flaw detector confirm at the time it is performed?

  1. That the instrument responds accurately to known reference reflectors or thicknesses Correct answer.
  2. That the examiner's certification is current
  3. That the acceptance criteria are correct
  4. That the weld was made with an approved procedure

Explanation

Calibration checks verify instrument response against known references so that measured values are trustworthy. They say nothing about personnel certification, welding procedure adequacy, or the correctness of acceptance criteria, which are separate controls.

Question 31Nondestructive Examination Coordination

Which term describes the process of confirming that a subcontract NDE laboratory's scope of accreditation covers the specific test methods it will perform?

  1. Personnel performance demonstration
  2. Procedure qualification
  3. Accreditation scope verification Correct answer.
  4. Equipment calibration

Explanation

Accreditation is granted for defined test methods and sometimes specific techniques, so the coordinator must confirm the laboratory's scope actually covers the work being subcontracted. The other terms concern welding procedures, examiner capability, or instrument accuracy.

Question 32Nondestructive Examination Coordination

Why should NDE hold points be identified in the fabrication schedule?

  1. So that the fabricator can bill earlier
  2. So that welding can begin without approved procedures
  3. So that the client can reduce the number of examiners
  4. So that work cannot proceed past a stage until the required examination is completed and accepted Correct answer.

Explanation

A hold point stops subsequent work until the specified examination has been performed and accepted, protecting access to the joint and preventing concealment of discontinuities. Hold points are technical gates, not billing or staffing devices.

Question 33Nondestructive Examination Coordination

Which characteristic of a discontinuity most influences whether a surface method such as penetrant testing can detect it?

  1. The tensile strength of the base metal
  2. The welding process used to make the joint
  3. The ambient humidity during welding
  4. Whether the discontinuity is open to the examined surface Correct answer.

Explanation

Penetrant testing relies on liquid entering and bleeding back from discontinuities that are open to the surface. Discontinuities that are entirely subsurface, or that are closed at the surface, cannot be detected regardless of base metal strength or welding process.

Question 34Nondestructive Examination Coordination

A specification requires visual examination of all completed welds plus ultrasonic examination of a stated percentage of complete joint penetration groove welds. How should the coordinator translate this into an examination plan?

  1. Plan visual examination of the stated percentage and ultrasonic examination of all welds
  2. Plan ultrasonic examination of 100 percent of welds and skip visual examination
  3. Plan either method at the fabricator's discretion
  4. Plan 100 percent visual examination and ultrasonic examination of the stated percentage, selected as the specification directs Correct answer.

Explanation

Each requirement is applied as written: visual examination applies to all completed welds, and ultrasonic examination applies to the specified percentage using whatever selection rule the specification states. Neither method may be substituted for the other unless the specification permits it.

Question 35Nondestructive Examination Coordination

A coordinator notices that an examiner is testing a weld with a technique that differs from the accepted written procedure. What is the most appropriate immediate action?

  1. Allow the work to continue and note the deviation in the final report
  2. Stop the examination and require the work to be redone in accordance with the accepted procedure Correct answer.
  3. Recalibrate the equipment and continue with the same technique
  4. Ask the welder to confirm the joint is acceptable

Explanation

Examination performed outside the accepted procedure does not provide valid, code-compliant results, so the work must be halted and repeated correctly. Recording a deviation or recalibrating does not cure a technique that does not match the procedure, and welders cannot validate NDE results.

Question 36Nondestructive Examination Coordination

A project requires examination of a sampling of welds, and one sampled weld is rejected. What does typical code practice require the coordinator to do next?

  1. Reject the entire structure immediately
  2. Re-examine only the rejected weld after repair
  3. Examine additional welds from the same lot or group as the code requires Correct answer.
  4. Accept the remaining welds without further examination

Explanation

When a sampled weld fails, codes commonly require expanded examination within the same lot or designated group to determine whether the defect is isolated. Re-examining only the repaired weld or accepting the rest ignores that requirement, and wholesale rejection is not the prescribed first step.

Question 37Nondestructive Examination Coordination

Two NDE agencies will examine the same weldment using the same method. Which coordination step best prevents inconsistent results?

  1. Have each agency examine a different weld region
  2. Assign each agency a different acceptance standard
  3. Let each agency use its own preferred technique and criteria
  4. Align both agencies on the same governing code edition, procedure, and acceptance criteria Correct answer.

Explanation

Consistency requires a common technical baseline: the same code edition, accepted procedure, and acceptance criteria. Allowing divergent techniques or standards would produce results that cannot be compared or reconciled.

Question 38Nondestructive Examination Coordination

A repair weld is completed on a joint that previously failed ultrasonic examination. What coordination action is most appropriate before the joint is accepted?

  1. Accept the joint based on the welder's assurance
  2. Re-examine the repaired region with the method and extent required by the governing code Correct answer.
  3. Substitute visual examination for the original method without approval
  4. Reduce the examination extent because the joint was already tested once

Explanation

Repaired regions must be re-examined using the method and extent the code requires, since repair welding introduces new thermal cycles and potential discontinuities. Verbal assurance, reduced extent, or unapproved method substitution does not demonstrate acceptability.

Question 39Nondestructive Examination Coordination

A coordinator is reviewing an ultrasonic report in which the examiner recorded indication amplitudes but no indication lengths or depths. Why is this a deficiency?

  1. Lengths are recorded only when a repair is planned
  2. Acceptance criteria are typically based on indication dimensions and character, so the record cannot support an acceptance decision Correct answer.
  3. Amplitude alone always exceeds the rejection threshold
  4. Depths are only needed for radiographic examination

Explanation

Ultrasonic acceptance criteria generally evaluate indication length, depth, and character in addition to amplitude, so a report lacking dimensions cannot demonstrate whether the criteria were met. Amplitude alone is insufficient, and dimensions are needed regardless of whether repair follows.

Question 40Nondestructive Examination Coordination

A fabricator asks to begin production before the NDE procedure has been accepted. How should the coordinator respond?

  1. Advise that examination-dependent hold points cannot be released until the procedure is accepted Correct answer.
  2. Approve production because examination can be done later
  3. Permit production but plan to skip examination on the first units
  4. Authorize production if the fabricator signs a waiver

Explanation

Where examination is a hold point, production cannot pass that point until the procedure is accepted and the examination can be validly performed. Starting early risks concealed work that cannot be verified, and waivers or skipped examination do not satisfy the specification.

Question 41Nondestructive Examination Coordination

A coordinator must verify that a radiographic examination report is traceable to the specific weld it covers. Which combination of information best achieves this?

  1. Weld identification, film or image identification, and examination date Correct answer.
  2. The client's purchase order and the paint color
  3. The welding machine serial number and shift length
  4. Examiner's home address and the film supplier

Explanation

Traceability requires a link between the reported results and the physical weld, achieved through unique weld and image identifiers plus the examination date. Commercial, personal, or unrelated fabrication details do not establish that link.

Question 42Nondestructive Examination Coordination

An examiner reports an indication that is evaluated as acceptable under the code but lies close to the rejection threshold. What is the most useful coordination action?

  1. Re-examine the weld with an unrelated method and ignore the original result
  2. Discard the record because the indication was acceptable
  3. Ensure the indication is recorded with its location and size so it can be re-evaluated if service conditions or criteria change Correct answer.
  4. Require immediate repair of the weld

Explanation

Recording near-threshold indications preserves information that supports future evaluation, trending, and integrity assessment even though the weld is currently acceptable. Discarding the data, forcing repair, or ignoring the original result wastes valid information or contradicts the acceptance decision.

Question 43Nondestructive Examination Coordination

A client requests that NDE be performed to a standard that is not referenced in the contract. What should the coordinator do first?

  1. Immediately implement the new standard in the field
  2. Raise the request through the contract change process before committing resources Correct answer.
  3. Refuse the request without further discussion
  4. Instruct examiners to apply whichever standard is stricter

Explanation

Changing the governing standard alters scope, cost, and possibly schedule, so it must be processed as a contract change before work is committed. Field implementation, informal selection, or flat refusal bypasses the proper authorization path.

Question 44Nondestructive Examination Coordination

A coordinator is planning examination for welds made in a shop and welds made in the field. Which consideration most affects the plan?

  1. Access, environment, and sequencing differ between shop and field, changing method feasibility and timing Correct answer.
  2. Shop welds are exempt from acceptance criteria
  3. Field welds never require NDE
  4. The same examiner must perform both scopes

Explanation

Field conditions such as weather, access, and coordination with construction sequence can limit which methods are practical and when examination can occur, whereas shop work is more controlled. Neither location removes examination or acceptance requirements.

Question 45Nondestructive Examination Coordination

An NDE report cites an acceptance criterion that does not match the code edition invoked by the contract. What is the coordinator's most appropriate action?

  1. Accept the report if the criterion used was more lenient
  2. Hold acceptance of the report and require re-evaluation against the contractually invoked edition Correct answer.
  3. Ask the fabricator to choose which edition applies
  4. Accept the report because the examiner was certified

Explanation

Acceptance decisions must be made against the edition the contract invokes, so a mismatch invalidates the reported conclusion and requires re-evaluation. Certification of the examiner, leniency of the criterion, or fabricator preference cannot substitute for the correct edition.

Question 46Nondestructive Examination Coordination

A coordinator observes that surface preparation for penetrant testing was performed by wire brushing that smeared the surface. What is the likely consequence?

  1. Penetrant will enter discontinuities more readily
  2. The acceptance criteria will change
  3. Surface discontinuities may be closed over, preventing penetrant from entering and causing missed detections Correct answer.
  4. The developer will react too quickly

Explanation

Smeared metal can bridge over surface-breaking discontinuities, blocking penetrant entry and producing false acceptances. Proper preparation removes smearing, and it has no effect on developer reaction speed or on the acceptance criteria themselves.

Question 47Nondestructive Examination Coordination

A coordinator must resolve a disagreement between two examiners about whether an ultrasonic indication is a slag line or lack of fusion. Which approach is most defensible?

  1. Average the two opinions and record the midpoint
  2. Accept the opinion of the more senior examiner without further evidence
  3. Compare indication character, orientation, and response from multiple scan angles against documented reference data, with Level III review Correct answer.
  4. Re-examine only with radiography and disregard ultrasonic data

Explanation

Discriminating between volumetric slag and planar lack of fusion depends on signal character, orientation, and response from several directions, supported by documented references and Level III review. Seniority, averaging opinions, or discarding valid data does not provide a technically defensible characterization.

Question 48Nondestructive Examination Coordination

A coordinator notes that the same individual performed fit-up, welding, and final visual acceptance on a critical joint. Why is this arrangement a concern?

  1. The individual lacks the skill to perform both tasks
  2. Independence of the acceptance function is compromised, reducing confidence that defects will be reported Correct answer.
  3. Visual examination is prohibited after welding
  4. Fit-up records are no longer required

Explanation

Acceptance examination should be independent of the work being examined so that there is no incentive to overlook defects. The concern is about independence and objectivity, not about the person's skill, and it does not eliminate record or examination requirements.

Question 49Nondestructive Examination Coordination

A specification requires examination of a percentage of welds but does not state how welds are to be selected. What is the most defensible coordination approach?

  1. Select only the welds that appear easiest to examine
  2. Examine the first welds completed and stop
  3. Seek clarification from the engineer and document the agreed selection basis before examination Correct answer.
  4. Let the welder choose which welds are examined

Explanation

When the selection basis is undefined, the coordinator should obtain engineering clarification and record the agreed method so the sampling is random or representative and defensible. Convenience-based, welder-selected, or arbitrary sampling undermines the purpose of sampling.

Question 50Nondestructive Examination Coordination

A coordinator finds that an examination was performed and reported, but the report does not identify the specific procedure revision used. Why does this matter for long-term records?

  1. Without the procedure revision, the technical basis of the results cannot be reconstructed or defended later Correct answer.
  2. It automatically invalidates the examiner's certification
  3. It only affects the invoice amount
  4. It proves the examination was unnecessary

Explanation

Linking results to a specific procedure revision allows the technique, equipment, and criteria used to be reconstructed if the record is challenged or revisited. The omission affects technical defensibility, not billing, necessity, or certification status.