Free mock exam
Maintenance — Renewable Energy & Solar PV Practice
Free topic-focused mock exam: all 11 questions on Maintenance, drawn from the wider Renewable Energy & Solar PV 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
- 11
- Time limit
- 35 min
- Pass mark
- 70% · 8/11
- Question bank
- 11
Free, no sign-up. Retake as many times as you like — the questions are reshuffled, with the answer order changed.
Sample questions
01How often should solar panels be visually inspected?
- AMonthly
- BQuarterly
- CAnnually
- DEvery 2 years
Why: Annual visual inspections are recommended for residential solar installations.
02What is the most common cause of reduced solar panel performance?
- AShading
- BSoiling and debris
- CModule degradation
- DInverter failure
Why: Soiling and debris accumulation is the most common cause of performance reduction.
03What is the typical lifespan of a solar inverter?
- A5-8 years
- B12-15 years
- C20-25 years
- D8-12 years
Why: Solar inverters typically last 12-15 years, shorter than the 25-year panel warranty.
Common questions
Is the Maintenance 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.