About and methodology
How we build Angle Beam, check our material and handle corrections.
Who we are
Angle Beam is part of TrueGrade Prep. We make study resources for UT L2, MT L2, PT L2 candidates.
Operating company: Nori Software LLC.
What we build
We build free practice checks, calculators and guides to help you find gaps in your knowledge and plan your study time. Each exam also has a full course: lessons for every task in the published outline, a question bank, timed practice exams and a study plan.
How we write and check questions
Questions are drafted with AI assistance from the exam body's published content outline, then each answer key is re-checked by a separate blind solve and against the code section or source it cites. Questions an expert reviewer has signed say so; every question, signed or not, is corrected as errors are reported.
We write each question from scratch. Each question is mapped to a domain and its published weight, so free check question selection follows the outline's balance. Code references cite section numbers only; we never reproduce code-book text. Use your own licensed copy of any code your exam requires. We never use real or recalled exam items, and reject questions that resemble them.
A question is removed from use if its answer is unreliable, its wording is ambiguous or its reference is out of date. Questions that cannot be corrected are retired, and corrections are recorded in the errata log.
How we check facts
Facts about fees, exam formats and rules link to the exam body's own pages and show the date checked. Those pages are the source to consult before booking or applying. Reported errors go through the corrections process below.
Who checks our questions
Outside experts sign off on question sets. We describe each reviewer by their background and do not publish names unless a reviewer has agreed to it. A reviewer is credited only on the questions they signed.
Our method
- Original questions, written to the exam body's published outline. Never real or recalled exam items.
- Every answer key is confirmed by a separate blind solve.
- Explanations cite the clause, table or figure they rest on, never code-book text.
- Reported errors are corrected within 2 business days and logged in the public errata log.
UT L2
- 40 questions from the NDT Level II practice bank. Signed by an NDT professional with 18 years in the industry, .
- The whole NDT Level II practice bank, course checks and free check. Signed by an NDT professional with 18 years in the industry, .
- 40 NDT Level II practice questions, re-checked after rewording. Signed by an NDT professional with 18 years in the industry, .
- 91 NDT Level II practice question explanations, re-checked after rewording. Signed by an NDT professional with 18 years in the industry, .
- 4 NDT Level II course check questions, re-checked after rewording. Signed by an NDT professional with 18 years in the industry, .
- 40 more NDT UT Level II practice questions. Signed by an NDT professional with 18 years in the industry, .
- 50 UT Level II practice questions written to the UT outline for exams after 5 Feb 2027. Signed by an NDT professional with 18 years in the industry, .
- 21 more NDT UT Level II course check questions. Signed by an NDT professional with 18 years in the industry, .
- 90 NDT UT Level II flashcards. Signed by an NDT professional with 18 years in the industry, .
- 15 more NDT UT Level II practice questions. Signed by an NDT professional with 18 years in the industry, .
Practice bank: 387 of 387 questions carry an outside-expert sign-off.
Every question in the free 10-question check carries an outside-expert sign-off.
MT L2
- 40 MT Level II practice questions written to the MT outline for exams after 15 Dec 2026. Signed by an NDT professional with 18 years in the industry, .
- 10 new-outline MT Level II lesson sections, held back until the 15 Dec 2026 switch. Signed by an NDT professional with 18 years in the industry, .
- 15 more MT Level II practice questions. Signed by an NDT professional with 18 years in the industry, .
Practice bank: 297 of 297 questions carry an outside-expert sign-off.
Every question in the free 10-question check carries an outside-expert sign-off.
PT L2
- One PT Level II free-check question hint, re-checked after rewording. Signed by an NDT professional with 18 years in the industry, .
- 40 more NDT PT Level II practice questions. Signed by an NDT professional with 18 years in the industry, .
- 39 more NDT PT Level II practice questions. Signed by an NDT professional with 18 years in the industry, .
- 90 NDT PT Level II flashcards. Signed by an NDT professional with 18 years in the industry, .
Practice bank: 309 of 309 questions carry an outside-expert sign-off.
Every question in the free 10-question check carries an outside-expert sign-off.
Sign-offs are recorded by month. This list shows only what has been signed so far.
Calculators
Our calculators use formulas and published reference data, cited on each tool alongside its assumptions and limits. They support study and preliminary checks; they are not a substitute for the project's engineer or authority having jurisdiction (AHJ).
Independence
Angle Beam and TrueGrade Prep are independent and are not affiliated with or endorsed by American Society for Nondestructive Testing. Exam names are used descriptively to identify the exams our resources cover.
Corrections
Think an answer is wrong? Report it. We correct errors within 2 business days and log every change publicly.
Email hello@anglebeam.com with the page link, exam and question identifier where applicable, and what needs checking.
Errata log: no corrections logged as of 17 October 2026.