Free mock exam
Safety & Isolation — Industrial Electrical Practice
Free topic-focused mock exam: all 15 questions on Safety & Isolation, drawn from the wider Industrial Electrical 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
- 15
- Time limit
- 35 min
- Pass mark
- 70% · 11/15
- Question bank
- 15
Free, no sign-up. Retake as many times as you like — the questions are reshuffled, with the answer order changed.
Sample questions
01What is safe isolation?
- AComplete procedure to ensure circuit cannot be re-energised
- BSeparating power and data cables for safety
- CFitting an RCD to disconnect under earth fault
- DSwitching off the load but leaving the supply live
Why: Safe isolation is a formal procedure ensuring circuits are de-energised and cannot be re-energised.
02What is LOTO in industrial safety?
- ALighting Only Turn Off
- BLow Output Turn On
- CLocal Operation Test Order
- DLock Out Tag Out
Why: LOTO (Lock Out Tag Out) is a safety procedure to ensure dangerous machines are properly isolated.
03What must be done before working on isolated equipment?
- AProve dead with an approved voltage indicator
- BCarry out an insulation resistance test
- CConfirm the power factor is within limits
- DMeasure the load current with a clamp meter
Why: Always prove dead using an approved voltage indicator tested before and after on known live source.
Common questions
Is the Safety & Isolation 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.
