Junior Protection and Control Engineer practice interview
Protection principles, relay and trip-circuit testing, control schematics, fault evidence and safe commissioning support. Practise the 5 questions interviewers ask for this role with follow-ups. Paid plans add scored feedback on every answer.
Free with an Intaviu account: 320 credits a month, at 10 credits a minute of practice. Private: interview creators never see them.
- Junior
- 15 minutes
- 5 questions
- Scored feedback on paid plans
About the role
This interview covers the junior work behind dependable protection and control systems. The panel wants electrical fundamentals, careful use of schematics and test evidence, and a safe approach to relay settings, trip circuits and commissioning records.
How to prepare
- Review overcurrent, earth-fault, differential and distance protection at a level appropriate to the vacancy.
- Practise explaining selectivity, sensitivity, speed and reliability with a simple network example.
- Revise current transformers, voltage transformers, circuit-breaker trip coils and DC control supplies.
- Study how event records, disturbance records and relay indications support a fault investigation.
- Prepare one example of reading a control schematic or testing an electrical circuit.
Common mistakes
- Naming relay functions without explaining what quantity they measure or what they should trip.
- Changing a setting to make a test pass without an approved instruction.
- Ignoring DC supply, wiring or instrument-transformer issues when investigating a protection operation.
- Recording only a pass or fail result without the test conditions and measured values.
What to expect
A real first-round interview
5 questions the way interviewers ask for this role, with follow-ups when an answer needs more.
Spoken, like the real thing
Speak your answers in your browser or the free desktop app, with live captions. You can ask the interviewer to repeat anything.
Scored on 4 areas
The things this interview weighs most. With a paid plan, your report shows how you did on each one.
A private report
On Plus, Pro and Premium: every answer scored, your strongest lines quoted and what to say differently next time. Interview creators never see it.
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