PlumbMate ยท Gas

ACS Reassessment โ€” Revision Hub

โ† Short courses Account

Self-test question banks for domestic gas reassessment, written to current UK standards. Every question gives instant feedback and an explanation; pick a single topic to drill or test across a whole category. Tap a card to begin.

๐ŸŽฏ Straight to practice quizzes โ€” pick a category and go โ†’
CCN1 Core Gas Safety

Legislation & landlord duties, combustion, safety controls, tightness testing, gas rate, pipework, installation and ventilation.

Learn ยท 229 questionsLearn โ†’
CKR1 Cookers

Standards & siting, stability & connection, ventilation by room volume, flame supervision and commissioning.

Learn ยท 33 questionsLearn โ†’
HTR1 Gas Fires & Space Heaters

BS 5871 appliance types, flue-flow & spillage testing, hearths & closure plates, clearances, ventilation and commissioning.

Learn ยท 57 questionsLearn โ†’
CENWAT1 Boilers & Water Heaters

Boiler types, sealed vs open-vented systems, condensate, flueing, boiler interlock & controls, commissioning and unvented hot water.

Learn ยท 60 questionsLearn โ†’
CPA1 Combustion Performance Analysis

BS 7967, analyser use & procedure, the CO/COโ‚‚ ratio, interpreting results, the calculations and what to do when out of limits.

Learn ยท 51 questionsLearn โ†’
Revision Revise Your Misses

Pick a category, then revise the questions you've missed, quiz yourself on them, or take a practice end test.

By categoryStart โ†’
Flashcards Flip Cards by Category

Quick flip-cards across all five categories, tagged to each lesson. Filter by category and mark the ones you know.

234 cardsOpen โ†’
Key Revision Drill Your Wrong Answers

The questions you've missed, gathered in one place. Revise then test โ€” get one right twice and it clears itself.

Your missesOpen โ†’
Reference Glossary of Terms & Acronyms

A searchable Aโ€“Z of the tricky words, abbreviations and standards across the gas course โ€” look anything up in seconds.

SearchableOpen โ†’
Unsafe Situations ID, At Risk or No Issue?

Classify real gas scenarios as Immediately Dangerous, At Risk, or No Issue โ€” then choose the correct action.

30 scenariosPlay โ†’
Figures reflect current published standards (mid-2026). Always follow the manufacturer's instructions, which take precedence, and confirm exact tolerances and the editions your assessment centre is testing to. Revision support โ€” not a substitute for your ACS training.

430 questions across five categories ยท revision, key revision, flashcards & glossary ยท PlumbMate Gas