Live set in progress
100 Free City & Guilds 2391 Practice Questions
Start answering now—this free set requires no account or card and covers Routes, Safety, Initial plus other key exam domains.
FreeNo accountNo card
Question 1 / 100
Safe Isolation and Electricity at Work · Safety Management and Instrument Control
Mixed route-aware review
Exam pace
A single-pole non-contact detector shows no voltage. Is that sufficient proof of dead?
Timed
Keep the queue moving
One tap to switch lanes, then tune the next set without backing out of practice.
Quick switch
Tune next set
Adjust the lane, pressure, and run length only when you need it.
Customize
Tune next set
Adjust the lane, pressure, and run length only when you need it.
Mode
Difficulty
favor easier hits
Run length
Longer runs keep momentum up without forcing a full mock every time.
What is Pass Harbor?
Completely free exam prep for 247 UK exams.
- Practice questions
- Flashcards
- Study guides
- Mock exams
- No registration
- No paywall
- Start instantly
“No more expensive exam prep. Quality study tools should be accessible to everyone.”