Quick skill test · 20 questions · 20 minutes · Free

NDT Practice Test (UT, MT, PT & VT)

Tests non-destructive testing (NDT) knowledge for Level I and II candidates — NDT principles, qualification schemes and discontinuities, visual, penetrant and magnetic particle testing, ultrasonic and radiographic testing, and eddy current, safety and procedures — written to ASNT SNT-TC-1A guidance and ISO 9712 for 2026. Pass to earn NDT Knowledge SOA-NDT.

What is the NDT Practice Test (UT, MT, PT & VT)?

Updated for 2026 and 2027 exams. Covers ultrasonic, magnetic particle, and penetrant and visual testing principles.

The NDT Practice Test (UT, MT, PT & VT) is a free intermediate-level, 20-minute skill test from Science of Apps. It tests non-destructive testing (NDT) knowledge for Level I and II candidates — NDT principles, qualification schemes and discontinuities, visual, penetrant and magnetic particle testing, ultrasonic and radiographic testing, and eddy current, safety and procedures — written to ASNT SNT-TC-1A guidance and ISO 9712 for 2026. Score 70% or more on its 20 questions to earn a verifiable NDT Knowledge certificate (SOA-NDT). Every question is based on published standards and research — including ASNT SNT-TC-1A and NDT method resources (American Society for Nondestructive Testing), ISO 9712 Non-destructive testing — Qualification and certification of NDT personnel (ISO), Hazard communication (OSHA) — and each answer is explained with its source.

Built for your job title

NDT technician, Quality inspector, Welding inspector, Aerospace maintenance technician and Pipeline inspector — and anyone who wants quick, verifiable proof of NDT knowledge for a CV or LinkedIn in 2026 and 2027.

  • NDT technician
  • Quality inspector
  • Welding inspector
  • Aerospace maintenance technician
  • Pipeline inspector

What the test covers

Four skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.

  1. 01

    NDT Principles, Qualification and Discontinuities

    25%
    • Methods overview
    • Personnel levels
    • Discontinuities
  2. 02

    Penetrant and Magnetic Particle Testing

    25%
    • PT process
    • MT principles
    • Limitations
  3. 03

    Ultrasonic and Radiographic Testing

    25%
    • UT principles
    • RT principles
    • Interpretation
  4. 04

    Eddy Current, Safety and Procedures

    25%
    • ET
    • Safety
    • Reporting

It is a knowledge and exam-readiness test: it does not replace official certification, licensure, supervised clinical or practical training, or local regulations.

Based on published standards

The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this test:

Try a sample question

Non-destructive testing is used to

  1. paint and coat finished parts
  2. weld parts together
  3. find defects without damaging the part
  4. destroy samples to measure strength
Show the answer

C. find defects without damaging the part — Part stays usable. The real test has 20 questions like this.

How the test works

  1. 20 minutes, 20 questions

    One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.

  2. Graded on our server

    Answers reach the page only after you submit, so the certificate can only be earned by passing.

  3. Every answer explained

    Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.

  4. Your certificate

    Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.

What you earn

A Science of Apps certificate for Engineering, Architecture, Construction & Safety: ivory paper with a gold medal
LinkedIn-ready certificate

Pass, then add it to LinkedIn in one click

No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.

  1. 1Take the 20-minute test
  2. 2Score 70% or more
  3. 3Click Add to LinkedIn
Free · no sign-up · also emailed to you as a PDF
How it shows on your LinkedIn profile

See every Engineering & safety certification and test →

Frequently asked questions

What is the NDT Practice Test (UT, MT, PT & VT)?

The NDT Practice Test (UT, MT, PT & VT) is a free intermediate-level, 20-minute skill test from Science of Apps. It tests non-destructive testing (NDT) knowledge for Level I and II candidates — NDT principles, qualification schemes and discontinuities, visual, penetrant and magnetic particle testing, ultrasonic and radiographic testing, and eddy current, safety and procedures — written to ASNT SNT-TC-1A guidance and ISO 9712 for 2026. Score 70% or more on its 20 questions to earn a verifiable NDT Knowledge certificate (SOA-NDT). Every question is based on published standards and research — including ASNT SNT-TC-1A and NDT method resources (American Society for Nondestructive Testing), ISO 9712 Non-destructive testing — Qualification and certification of NDT personnel (ISO), Hazard communication (OSHA) — and each answer is explained with its source.

Is there a free NDT practice test for 2026?

Yes. Science of Apps has a free NDT Practice Test built on ASNT SNT-TC-1A for 2026 and 2027. It covers ultrasonic, magnetic particle, and penetrant and visual testing principles, scores you instantly and issues a verifiable certificate.

How do I take the NDT Practice Test (UT, MT, PT & VT) for free?

Read the four skill areas on this page, then take the 20-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a NDT Knowledge certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.

Are the NDT Practice Test (UT, MT, PT & VT) questions based on real standards?

Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: ASNT SNT-TC-1A and NDT method resources (American Society for Nondestructive Testing); ISO 9712 Non-destructive testing — Qualification and certification of NDT personnel (ISO); Hazard communication (OSHA). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.

What does the NDT Practice Test (UT, MT, PT & VT) cover?

Four skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: NDT Principles, Qualification and Discontinuities (Methods overview, Personnel levels and Discontinuities); Penetrant and Magnetic Particle Testing (PT process, MT principles and Limitations); Ultrasonic and Radiographic Testing (UT principles, RT principles and Interpretation); Eddy Current, Safety and Procedures (ET, Safety and Reporting). Every question is an original scenario written to the 2026–2027 standard, with the published source named under it.

Who should take the NDT Practice Test (UT, MT, PT & VT)?

NDT technician, Quality inspector, Welding inspector, Aerospace maintenance technician and Pipeline inspector. It suits anyone who wants a quick, verifiable way to show NDT knowledge in 2026 and 2027, from students and career switchers to experienced professionals.

How are NDT technicians certified?

In the US, employers certify personnel to a written practice based on ASNT SNT-TC-1A or CP-189 (Levels I, II and III). Internationally, ISO 9712 provides central, third-party certification. ASNT also offers ACCP and Level III certification.

What are the main NDT methods?

Visual (VT), liquid penetrant (PT), magnetic particle (MT), ultrasonic (UT), radiographic (RT) and eddy current (ET) testing are the most common, each suited to different materials and flaw types.

Can I take the NDT Practice Test (UT, MT, PT & VT) from any country?

Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.

How long is the NDT Practice Test (UT, MT, PT & VT)?

20 questions — 5 from each of 4 skill areas — with a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.

How hard is the NDT Practice Test (UT, MT, PT & VT)?

We rate it Intermediate: assumes hands-on experience in the role. It has 20 scenario questions — 5 from each of 4 skill areas — and a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.

How much do Science of Apps certifications cost?

Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.

How are the tests graded?

On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.

What happens if I don't pass?

You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.

Do the certificates expire?

No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.

Can I add the certificate to LinkedIn?

Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.

How can an employer verify my certificate?

Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.

Are these accredited qualifications?

No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.

All free · no sign-up

1222 more certifications to collect

Keep exploring

Read before you test

Pass it on

Challenge a friend or your team

Send them this test. It's free, takes minutes, and you can compare scores — every certificate can be verified.

Join free

Get the ideas, not the noise.

Sign up with Google and we’ll send you short UX psychology tips by email — why people tap, stall and leave, and what to do about it. Unsubscribe anytime. Prefer something to keep? Get the free Laws of UX guide as a PDF.

Get the free Laws of UX PDFFree · no spam · unsubscribe anytime
Free PDF · 74 pages · 2 editions

The Laws of UX, in one field guide

60 research-backed principles in 6 categories — what each one means, why it works on the human brain and how to use it on your own screens. Written by Sushant Singh, founder of Science of Apps, who has scaled consumer apps to lacs of users and spent 10+ years leading product across startups and digital businesses in the US, EU & India.

Pick your edition
Free PDF · 74 pages

Get Laws of UX by email

Choose your edition

You’ll also get occasional UX psychology tips. Unsubscribe anytime. Privacy policy

Free PDF · 90 pages · 2 editions

100+ Subscription Paywalls, decoded

110 real paywalls from top apps, taken apart, rated out of 5 and decoded with the Laws of UX — plus the frameworks, copy and checklists to ship your own. By Sushant Singh, founder of Science of Apps.

  • 110 paywalls rated
  • 34 Laws of UX
  • 12 frameworks

Which paywall scored 4.8 out of 5, and which scored 2.6? It’s all inside.

Pick your edition
Free PDF · 90 pages

Get 100+ Paywalls, Decoded by email

Choose your edition

You’ll also get occasional UX psychology tips. Unsubscribe anytime. Privacy policy