🎯 Free demo quizzes

Test your knowledge
before the exam

Two focused demo quizzes for the certificates that actually decide your oral exam — ETO and High Voltage. Questions are structured by chapter, the same way as the real exam.

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STCW A-III/6
ETO — Electro-Technical Officer
Shipboard Electrical · Automation · Propulsion
  • Shipboard power generation and distribution
  • Automation and control systems
  • Electric propulsion systems
  • Maintenance and fault finding
Start ETO Quiz →
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HV SAFETY
HV — High Voltage
Safety at Sea
High Voltage Operations · Permit to Work
  • Safe working practices on HV systems
  • Switchgear and protection
  • Isolation procedures (PTW / LOTO)
  • Transformers and switchboards
Start HV Quiz →
ETO + HV
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