Free DAA Mechanical Comprehension practice
Mechanical comprehension covers everyday physics — levers and moments, gears, pulleys and forces. Each question shows a set-up as a diagram and asks you to work out what happens. No advanced maths is needed, just a feel for how simple machines behave.
Read the full mechanical comprehension guide →
Try the official free practice first
The Royal Navy publishes free official DAA familiarisation questions that show the real question formats and the time allowed for each part. Try them first — our practice is extra drilling for the same abilities, not a copy of the real test.
Open the Royal Navy DAA familiarisation questions ↗Try a free sample
Mechanical comprehension — free sample
4 questions · 3:00
This sample runs on our practice clock, at the same pace as our timed section mocks. You can change an answer until you press Next. If the clock runs out, you'll see your score for the questions you answered.
Unlock all 6 DAA sections
One payment unlocks every section of the Defence Aptitude Assessment — verbal reasoning, numerical reasoning, work rate, spatial reasoning, mechanical comprehension, electrical comprehension — with full question banks and unlimited mock tests. One-time payment, no subscription.
These are original practice questions for the abilities the Defence Aptitude Assessment (DAA) assesses. They are not the official questions, and our question formats, section lengths and timings are our own — they differ from the real test. Forces Ready is independent and not affiliated with or endorsed by the RAF, Royal Navy, British Army or Ministry of Defence — always follow the official guidance from your Armed Forces Careers Office.