Free mock exam
PLC & Automation — Industrial Electrical Practice
Free topic-focused mock exam: all 15 questions on PLC & Automation, 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 does PLC stand for?
- APrimary Load Controller
- BPower Line Controller
- CProgrammable Logic Controller
- DProcess Level Computer
Why: PLC stands for Programmable Logic Controller, used for industrial automation.
02What is the most common PLC programming language for electricians?
- AJavaScript
- BLadder Logic
- CPython
- DC++
Why: Ladder Logic resembles electrical relay diagrams, making it intuitive for electricians.
03What is a digital input on a PLC?
- AVariable voltage
- BOn/Off signal
- CAnalogue signal
- DCurrent signal
Why: Digital inputs read discrete on/off signals from switches, sensors, and contacts.
Common questions
Is the PLC & Automation 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.
