ST0349 Welder: practice questions and mock tests
A 30-question closed-book test focused on seven defined knowledge outcomes: safety, materials, power sources, equipment, gases, joints and non-destructive testing.
Apprentices registered to ST0349 version 1.4 and preparing for the multiple-choice part of the Level 2 end-point assessment.
Standard
ST0349
Version
v1.4
Level
2
Exam at a glance
ST0349 · version 1.4
- Questions / papers
- 30 questions
- Time allowed
- 60 minutes
- Pass requirement
- 21/30
- Reference policy
- Closed book
What is the ST0349 Welder test?
The ST0349 multiple-choice test checks the underpinning knowledge a welder needs to prepare equipment and joints, control hazards and understand inspection without reproducing any live EPAO question bank.
This page focuses on the knowledge-test method. The full end-point assessment may also include practical, observation or professional-discussion methods. Use the official assessment-plan links below to check the complete EPA.
When you take it
It is normally taken during end-point assessment, after the apprentice has completed training and passed through gateway. The employer, training provider and end-point assessment organisation agree the booking and sequence.
- 01
Training
Build the occupational knowledge, practical competence and workplace evidence.
- 02
Gateway
The employer confirms the apprentice is ready to enter end-point assessment.
- 03
Knowledge test
Sit the ST0349 multiple-choice test.
- 04
Other EPA methods
Complete the practical, observation or discussion methods specified by the assessment plan.
Try a practice question
ST0349 · Original practice material
A welding bay risk assessment identifies trailing power leads across a walkway.
Which statement correctly describes the risk?
Choose one answer, then check it.
ST0349 exam format and scoring
These are the recorded rules for this standard version. Always compare them with the final joining instructions from your end-point assessment organisation.
Delivery
Controlled and closed book.
Question style
30 four-option multiple-choice questions with one correct answer.
Books and materials
No reference books or notes are used.
| Paper | Coverage | Questions | Time | Grade boundary |
|---|---|---|---|---|
| Multiple-choice test | K1, K3, K4, K5, K6, K9 and K20 | 30 | 60 minutes | Pass 21/30 |
What to revise for ST0349
The current published Trade Exams library for this standard contains 460 original practice questions and 46 focused fact sheets. These are revision-library counts, not official exam weightings.
Knowledge-area map
Standard reference
ST0349
Arc and joint blueprint
- K1Health and safety
- K3Welded materials
- K4Welding power sources
- K5Ancillary equipment
- K6Gases and equipment
- K9Joints and preparation
- K20Non-destructive testing
Health and safety
01Law and guidance, COSHH, fire, signs, equipment, slips, confined spaces, work at height and manual handling.
Welded materials
02Properties of named ferrous and non-ferrous materials and associated heat treatments.
Welding power sources
03Transformers, rectifiers, inverters, AC, DC and polarity.
Ancillary equipment
04Cables, assembly, communication cables, torches and tongs.
Gases and equipment
05Welding gases, cylinder colours, regulators and storage.
Joints and preparation
06Joint types, edge preparation and permanent or temporary backing.
Non-destructive testing
07The purpose and selection of non-destructive examination methods.
How to prepare for the ST0349 test
A practical four-stage revision sequence: understand the rules first, close topic gaps, practise decisions, then rehearse under the real time pressure.
- 1
Keep revision inside the seven outcomes mapped to this multiple-choice test.
- 2
Compare AC/DC power sources, polarity, gases and ancillary equipment by application.
- 3
Use joint sketches to rehearse preparation and backing decisions.
- 4
Complete 30-question mocks inside 60 minutes and explain why every distractor is unsafe or unsuitable.
Revision access
Questions, mocks and fact sheets
One exam, one clear price. Access ends automatically and never renews into a subscription.
£10
30 days of access
Everything for this exam for 30 days.
One-off payment. No automatic renewal.
£20
90 days of access
Everything for this exam for 90 days.
One-off payment. No automatic renewal.
ST0349 exam questions answered
Format, timing, version, preparation and booking questions—answered from the recorded standard and assessment-plan sources.
01What is the ST0349 Welder exam?
The ST0349 multiple-choice test checks the underpinning knowledge a welder needs to prepare equipment and joints, control hazards and understand inspection without reproducing any live EPAO question bank. This page focuses on the knowledge-test method; the full end-point assessment may also contain practical or discussion-based methods.
02Who should use this ST0349 revision page?
Apprentices registered to ST0349 version 1.4 and preparing for the multiple-choice part of the Level 2 end-point assessment.
03When do apprentices take the ST0349 knowledge test?
It is normally taken during end-point assessment, after the apprentice has completed training and passed through gateway. The employer, training provider and end-point assessment organisation agree the booking and sequence.
04What is the ST0349 exam format?
Multiple-choice test. Controlled and closed book. 30 four-option multiple-choice questions with one correct answer.
05How many questions are there and how long does the test take?
30 questions and 60 minutes. Multiple-choice test: 30 questions, 60 minutes, pass 21/30.
06What is the ST0349 pass mark?
21/30. Multiple-choice test: pass 21/30. This assessment method has no distinction grade in the published v1.4 plan.
07Is the ST0349 test open book?
Closed book. No reference books or notes are used.
08What subjects should I revise for ST0349?
The main areas are Health and safety, Welded materials, Welding power sources, Ancillary equipment, Gases and equipment, Joints and preparation and Non-destructive testing. The detailed coverage on this page stays within the knowledge mapped to this assessment method.
09How should I prepare for the ST0349 exam?
Keep revision inside the seven outcomes mapped to this multiple-choice test. Compare AC/DC power sources, polarity, gases and ancillary equipment by application. Use joint sketches to rehearse preparation and backing decisions. Complete 30-question mocks inside 60 minutes and explain why every distractor is unsafe or unsuitable.
10Which version of ST0349 does this page cover?
ST0349 v1.4 applies to new starts from 9 December 2025 to 17 December 2026. That latest-start date is not an exam-expiry date; apprentices on v1.4 may take EPA later. A revised version applies to new starts from 18 December 2026.
11Are the Trade Exams questions official live exam questions?
No. Trade Exams' 460 practice questions and 46 fact sheets are independently authored revision material. They do not reproduce recalled, live, confidential or password-protected EPAO questions.
12Where do the ST0349 exam details come from?
The format and scope are based on the listed Skills England standard and end-point assessment sources, checked for this content pack on 2026-07-28. Always confirm late changes and booking instructions with the employer, training provider or EPAO.
13How does Trade Exams access work?
Access is a one-off £10 payment for 30 days or £20 for 90 days. It never renews automatically.
Official sources and currency
Check the standard behind this page
The format and scope were checked on 28 July 2026. Assessment arrangements can change, so confirm the final booking details with your employer, training provider or EPAO.
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