BLD-WELD01-14 · Lesson 4 · 14 clock hours · practice
Full Mock Certification Examinations
Objective. Students complete timed full-length mock examinations for each targeted credential — written and performance components — under simulated test-day conditions and achieve the program's minimum readiness benchmark of 80 percent on written sections and passing coupons on all performance sections.
What This Lesson Is
This lesson is your final dress rehearsal before the real credentialing exams. You will sit timed written mock exams and weld performance coupons under the same conditions you will face at official test sites. Nothing is open-book. No coaching is allowed once the clock starts. The goal is simple: score 80 percent or above on every written section and produce coupons that meet all acceptance criteria without help.
Treating this mock day exactly like the real day is the point. Nerves, time pressure, and unfamiliar proctors are all part of official testing. Practicing under those conditions now means fewer surprises later.
Written Mock Exam Overview
Three written sections are administered in sequence:
- AWS SENSE L1-2 written exam — covers safety, print reading, joint and groove geometry, weld symbols, metallurgy basics, and quality inspection. Content is weighted to mirror the official AWS SENSE content outline.
- NCCER Welding Level 1–4 written knowledge assessment — covers fundamentals through advanced topics including SMAW, GMAW, FCAW, GTAW, blueprint reading, and welding inspection. Questions are multiple-choice and follow NCCER module weighting.
- ASME Section IX written section — focuses on essential variables for each welding process, how to read and complete a Welder Qualification Record (WQR), and the difference between a WPS, PQR, and WQR.
You may use only the materials permitted at the official site for each credential. The examiner — your instructor or a visiting AWS Certified Welding Inspector (CWI) — records exact start and stop times and collects your answer sheet when time is called. Late pencils are not accepted.
Performance Mock Exam Overview
After the written sections, you move to the welding stations. Three performance tasks are evaluated:
1. AWS D1.1 Certified Welder coupon — You weld the plate or pipe coupon in the position and process that define your qualification range. The CWI observes your setup, verifies that you are following the prequalified Welding Procedure Specification (WPS), and evaluates the finished coupon against D1.1 visual and mechanical acceptance criteria.
2. ASME Section IX pipe qualification coupon — If you are attempting the full position range, you weld the 6G position (pipe inclined at 45 degrees, fixed, not rotated). This single position, when passed, qualifies you for all positions on pipe and plate within the thickness and process limits of your WPS.
3. NCCER Level 3 or 4 performance profile task — The examiner uses the official NCCER performance evaluation checklist to assess your technique, safety practices, and finished weld quality.
No coaching, hints, or corrections are given once your arc is struck. If the examiner sees an immediate safety hazard, work stops — but that automatically results in a NOT-YET for that component.
Safety Requirements on Mock Test Day
Test conditions do not suspend safety rules — they reinforce them. Every required PPE item must be worn correctly before the arc is struck:
- Welding helmet with appropriate shade lens for the process in use
- Leather welding gloves and sleeves or leather jacket
- Leather boots (no exposed synthetic materials)
- Safety glasses under the helmet at all times
- Hearing protection when grinding
Lockout/tagout (LOTO) procedures apply to any equipment that must be serviced or adjusted between coupons. If you need to change a wire spool or clear a jam, the machine is de-energized and locked out before you open any panel. The examiner will note LOTO compliance as part of the performance evaluation.
Ventilation must be active for every arc-on period. Welding fume is a serious respiratory hazard. Confirm that local exhaust ventilation is on before you strike your first arc. Do not weld galvanized, painted, or coated coupons without additional respiratory protection; official test coupons are bare carbon steel, so this should not be an issue — but verify visually before welding.
Scoring and the GO / NOT-YET System
Written sections are scored domain by domain:
- 80 percent or above on each section → GO recommendation for that credential's written component
- 75–79 percent → NOT-YET; you receive a targeted study prescription and may request one retake before the program end date
- Below 75 percent → NOT-YET with documented remediation required before retake
Performance coupons are evaluated against the official acceptance criteria only:
- All visual criteria (undercut, overlap, surface porosity, cracks, weld size) must be met with no coaching
- Mechanical testing (guided bend, fillet break, or tensile as required by the credential) must pass the first time
- One failing coupon in a required position = NOT-YET for that credential's performance component
The Individual Debrief
After all scoring is complete, you meet privately with the instructor for 20 minutes. The instructor walks through your written scores by domain, reviews your coupon inspection reports, and compares your results directly to official passing standards. You receive a written GO / NOT-YET recommendation for each credential separately — it is possible to receive GO for three credentials and NOT-YET for one. The debrief is not a lecture; bring questions. If you receive a NOT-YET, the two-week prescription that follows is specific: identified domains to restudy, specific joint configurations to re-practice, and the date by which your retake attempt must occur.
Mindset for Mock Day
Approach this day as if your career depends on it — because in a real sense your credential does. Arrive early, stage your PPE before the written exam begins, and read every question fully before answering. On the welding stations, walk through your WPS before striking the arc, check travel angle and work angle, and manage interpass temperature if the WPS requires it. You have prepared for months. Let that preparation do the work.
Key terms10
Welding Procedure Specification (WPS)A document that prescribes the welding variables — process, base metal, filler metal, preheat, position, heat input, and more — required to produce a weld that meets a given code. Welders must follow the applicable WPS during both qualification tests and production welding.
Welder Qualification Record (WQR)The ASME Section IX form that documents an individual welder's test results, the variables tested, and the qualification range earned. It is distinct from the WPS and the Procedure Qualification Record (PQR).
Essential VariableUnder ASME Section IX, a welding variable whose change requires the welder to re-qualify. Examples include a change in welding process or a change from one P-Number base metal group to another outside the qualified range.
6G PositionA pipe welding test position in which the pipe axis is fixed at approximately 45 degrees from horizontal and the pipe is not rotated during welding. Passing the 6G qualification test qualifies a welder for all positions on pipe within the applicable code limits.
Guided-Bend TestA mechanical test in which a coupon strip is bent around a mandrel of specified diameter. The bent face is examined for cracks or discontinuities exceeding acceptance criteria. It is used to evaluate weld soundness and ductility for both D1.1 and ASME Section IX qualification.
Certified Welding Inspector (CWI)An individual certified by the American Welding Society to perform welding inspection according to applicable codes and standards. A CWI may act as an examiner for qualification tests, observing setup compliance and evaluating coupons against acceptance criteria.
Prequalified WPSUnder AWS D1.1, a WPS that meets all of the code's prequalification requirements and therefore does not require a Procedure Qualification Record (PQR) to support it. Welders must still follow it exactly during qualification testing.
Lockout/Tagout (LOTO)An OSHA-required safety procedure that ensures hazardous energy sources are isolated and rendered inoperative before servicing or adjusting equipment. In a welding lab, LOTO applies when opening welding machine panels, clearing wire drive jams, or replacing gas cylinders.
NOT-YET RecommendationThe program's designation for a mock exam result that does not meet the minimum benchmark. It is not a permanent failure; it requires a documented remediation prescription and a retake attempt before the program end date.
Acceptance CriteriaThe specific limits on weld discontinuities — such as maximum undercut depth, maximum porosity diameter, and minimum weld size — defined by the applicable code. A coupon is acceptable only if every measured characteristic is within these limits.
Worked examples4
1. Your AWS D1.1 CW mock coupon is a 3/8-inch fillet weld on a T-joint. The D1.1 visual acceptance criterion for undercut on statically loaded members limits undercut to no more than 1/32 inch (approximately 0.8 mm) deep for welds parallel to primary stress or 1/16 inch deep for welds transverse to primary stress. Your CWI measures an undercut of 0.045 inch with an undercut gauge. Does the coupon meet the criterion for undercut perpendicular to primary stress (transverse), and by how much margin?
- Step 1 — Identify the applicable limit. For undercut transverse to primary stress under D1.1, the visual acceptance limit is 1/16 inch = 0.0625 inch.
- Step 2 — Compare the measured value to the limit. Measured undercut = 0.045 inch; limit = 0.0625 inch.
- Step 3 — Calculate the margin. Margin = 0.0625 − 0.045 = 0.0175 inch. The measured undercut is below the limit by approximately 0.018 inch.
- Step 4 — State the result. The coupon meets the transverse undercut criterion; it passes this particular visual check with a margin of roughly 0.018 inch.
Answer: The coupon passes the transverse undercut visual criterion. The measured undercut of 0.045 inch is below the 0.0625-inch (1/16-inch) limit by approximately 0.018 inch.
2. A student receives the following written mock scores: AWS SENSE L1-2 — 77 percent; NCCER Welding L1–4 — 83 percent; ASME Section IX written section — 71 percent. Using the program's GO / NOT-YET benchmarks, determine the recommendation for each section.
- Step 1 — Apply the GO threshold (80 percent or above). NCCER score of 83 percent ≥ 80 percent → GO.
- Step 2 — Apply the NOT-YET band (75–79 percent). AWS SENSE score of 77 percent falls in 75–79 percent range → NOT-YET with targeted study prescription; eligible for one retake.
- Step 3 — Apply the below-75-percent rule. ASME Section IX score of 71 percent is below 75 percent → NOT-YET with documented remediation required before retake.
- Step 4 — Summarize. NCCER: GO. AWS SENSE L1-2: NOT-YET (retake eligible after targeted study). ASME Section IX: NOT-YET (documented remediation required).
Answer: NCCER Welding L1–4: GO. AWS SENSE L1-2: NOT-YET (score in 75–79% band; targeted prescription and one retake allowed). ASME Section IX: NOT-YET (score below 75%; documented remediation required before retake).
3. A guided-bend test specimen is cut to a width of 1.5 inches from a 3/8-inch thick plate coupon welded for AWS D1.1 CW qualification. After bending, the examiner finds a single open discontinuity on the convex face measuring 3/16 inch (0.1875 inch) in the longest dimension. AWS D1.1 permits individual discontinuities up to 1/8 inch (0.125 inch) on the convex surface of a bend specimen. Does this specimen pass?
- Step 1 — State the acceptance limit. D1.1 limits any individual discontinuity on a bend specimen's convex face to a maximum of 1/8 inch = 0.125 inch.
- Step 2 — Compare to the measured discontinuity. Measured discontinuity = 3/16 inch = 0.1875 inch.
- Step 3 — Compare. 0.1875 inch > 0.125 inch — the discontinuity exceeds the limit.
- Step 4 — State the result. The bend specimen fails. The 3/16-inch discontinuity is larger than the 1/8-inch maximum allowed, so this coupon receives a NOT-YET on the performance component.
Answer: The specimen fails. The 3/16-inch discontinuity (0.1875 inch) exceeds the 1/8-inch (0.125-inch) D1.1 limit for individual surface discontinuities on bend specimens.
4. A student has 90 minutes to complete a 60-question NCCER mock written exam. After 45 minutes, she has answered 30 questions. Is she on pace to finish, and how many minutes per question must she average for the remaining questions?
- Step 1 — Determine questions remaining. 60 − 30 = 30 questions remaining.
- Step 2 — Determine time remaining. 90 − 45 = 45 minutes remaining.
- Step 3 — Calculate required pace. 45 minutes ÷ 30 questions = 1.5 minutes per question.
- Step 4 — Compare to current pace. She answered 30 questions in 45 minutes = 1.5 minutes per question so far. Her current pace exactly matches what is needed to finish on time.
Answer: She is exactly on pace. She needs to maintain 1.5 minutes per question for the remaining 30 questions to finish within the 90-minute window.
The math in this lesson1
Learners compare mock scores to percent benchmarks and compute minutes per question needed to finish 60 questions in 90 minutes.
6.RP.3
In class: Written mock exams are administered in strict timed sessions with no notes or open books allowed, mirroring actual testing conditions: a mock AWS SENSE L1-2 written exam, a mock NCCER Welding Level 1-4 written knowledge assessment, and a written section covering ASME Sec. IX essential variables and welder qualification record (WQR) completion — students use only the materials permitted at official test sites; examiners (instructor or a visiting AWS Certified Welding Inspector) record start and stop times and collect answer sheets for scoring. · Performance mock exams are conducted at timed welding stations replicating official credential test formats: each student welds the coupon(s) required for AWS D1.1 CW qualification (position and process per their qualification range), ASME Sec. IX pipe qualification coupon (6G if attempting full position range), and an NCCER Level 3 or 4 performance profile task — the CWI or qualified examiner observes, documents setup compliance with WPS, and evaluates coupons using official acceptance criteria without coaching. · After all mock exams are scored, each student meets individually with the instructor for a 20-minute debrief: reviewing their mock written scores domain by domain, reviewing coupon inspection reports, comparing results to official passing standards, and receiving a written GO / NOT-YET recommendation for scheduling each official credentialing exam — students who receive NOT-YET on any section are given a specific two-week independent study and practice prescription and may request a second attempt before the program end date.
Materials: Timed mock written exam packets (instructor-developed, domain-weighted to match official content outlines), Scantron or bubble-sheet answer forms, stopwatch/timer visible to students, welding equipment and consumables as listed in Lesson 3, fresh plate and pipe coupons cut to test dimensions, prequalified WPS documents, AWS D1.1 current edition (for examiner reference only, not student use during written), ASME BPVC Section IX current edition (examiner reference), guided-bend jig, CWI inspection kit (fillet weld gauge, undercut gauge, ruler, flashlight), official AWS D1.1 CW and NCCER performance evaluation checklists, individual debrief score report forms
Check: Written mock: 80 percent or above on each credential's written section constitutes GO recommendation; scores of 75-79 percent on any section receive NOT-YET with targeted remediation; scores below 75 percent require documented remediation and retake. Performance mock: coupons must meet all visual and mechanical acceptance criteria per D1.1 and ASME Sec. IX without any coaching during the test; a single failing coupon in a required position receives NOT-YET for that credential's performance component — students receive a written GO/NOT-YET recommendation for each credential separately.
Practice check8
Answer each question, then check it. Nothing is recorded; this is your own practice.
Record this lesson on my transcript. Sign in with your key and enrollment email to record lessons (enroll free if you have no key). This page stays open to read and practise.