Free mock exam
Visual Inspection & Documentation — C&G 2391 Inspection & Testing Practice
Free topic-focused mock exam: 30 random questions from a pool of 77 on Visual Inspection & Documentation, drawn from the wider C&G 2391 Inspection & Testing bank. 35-minute timer, 70% to pass, worked explanation on every question. Use this when you've taken the full mock once and want to drill the topics you got wrong.
- Questions
- 30
- Time limit
- 35 min
- Pass mark
- 70% · 21/30
- Question bank
- 77
Free, no sign-up. Retake as many times as you like — different questions each time.
Sample questions
01When should visual inspection be carried out?
- ABefore testing, with the installation isolated
- BAfter all dead and live testing is complete
- CAfter the certificate has been signed off
- DOnly once the installation has been energised
Why: Visual inspection should be carried out before testing, with the installation safely isolated.
02What does visual inspection verify?
- AThe disconnection times of all protective devices
- BCompliance with standards, correct installation, and absence of damage
- CThe insulation resistance of every circuit in megohms
- DThe earth fault loop impedance at every accessory
Why: Visual inspection verifies compliance with standards, correct installation methods, and absence of visible damage.
03What should be checked regarding cable selection during visual inspection?
- ACorrect type, current-carrying capacity, and suitability for the environment
- BThat the cable is from a BASEC-approved maker and within its shelf life
- CVoltage drop only, as thermal constraints are covered by the device rating
- DConductor csa alone, since the installation method does not affect selection
Why: Check cables are correct type for the application, have adequate current-carrying capacity, and suit the environment.
Common questions
Is the Visual Inspection & Documentation mock exam free?
Yes — 100% free, no sign-up needed. Questions are pulled at random from a substantial bank, with a worked explanation on every question after you submit.
Can I retake the mock exam?
Yes. Every attempt picks a different random selection and reshuffles the options, so each retake gives you genuinely new questions. No limit on retakes.
Does this count towards the real qualification?
No — this is independent practice material. To gain the actual qualification you need to sit the official assessment through an approved provider.