Free mock exam

Repair Procedures — Level 3 Fault Diagnosis Practice

Free topic-focused mock exam: all 15 questions on Repair Procedures, drawn from the wider Level 3 Fault Diagnosis 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

  1. 01When replacing a faulty component, the replacement should:
    • ABe the cheapest available regardless of rating
    • BBe any component that physically fits the space
    • CAlways be of a lower rating to be safe
    • DMatch or exceed the original specification

    Why: Replacement components should match or exceed original specifications to maintain safety and performance levels.

  2. 02Before starting repair work, you should:
    • AOrder parts only after dismantling the equipment
    • BEnergise the circuit to confirm the fault
    • CBegin work immediately to save time
    • DVerify isolation, have correct parts and tools ready

    Why: Preparation including confirming isolation, having correct components and tools ensures efficient and safe repair work.

  3. 03When repairing a high resistance joint, the proper procedure is to:
    • AClean all contact surfaces, remake the joint properly
    • BTighten the existing joint as hard as possible
    • CWrap the joint in tape and leave it in place
    • DApply more current to burn off the oxidation

    Why: Proper repair requires cleaning oxidation and contamination from contact surfaces and remaking the joint correctly with appropriate torque.

Common questions

Is the Repair Procedures 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.

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