# ETO - Electro-Technical Officer — Practice Test Geeks
# https://practicetestgeeks.com/llms/eto-electro-technical-officer.txt
# Updated: 2026-06-03

> Free ETO - Electro-Technical Officer practice tests and study guides. Pass the Electro exam with confidence. Practice questions with detailed explanations and instant feedback on every answer. Language: English. Region: US.

## Overview

- **Category**: ETO - Electro-Technical Officer
- **Main page**: https://practicetestgeeks.com/electro-technical-officer
- **Language**: English | **Region**: US
- **Practice tests**: 25 tests, 168 questions total
- **Exam simulation**: Full-length 100-question timed exam (180 min, 60% pass mark)
- **Study guides / articles**: 2 published

## Exam Simulations (Full-Length, Timed, Scored)

Simulates real exam conditions: question count, time limit, passing score, domain weighting.

- [STCW Electro-Technical Officer (ETO) CoC Exam](https://practicetestgeeks.com/eto/exam) — 100 questions, 180 min, 60% pass
  The Electro-Technical Officer (ETO) Certificate of Competency (CoC) certifies an individual's competence to perform the duties of an ETO on board a se

## Practice Tests (25 available)

- [Free ETO Safety Procedures & Regulatory Compliance Questions and Answers](https://practicetestgeeks.com/free-eto-safety-procedures-regulatory-compliance-questions-and-answers) (9 questions)
- [Free ETO Troubleshooting & Fault Diagnosis Questions and Answers](https://practicetestgeeks.com/free-eto-troubleshooting-fault-diagnosis-questions-and-answers) (9 questions)
- [Free ETO Automation & Control Systems Questions and Answers](https://practicetestgeeks.com/free-eto-automation-control-systems-questions-and-answers) (9 questions)
- [Free ETO Electrical Systems Operation & Maintenance Questions and Answers](https://practicetestgeeks.com/free-eto-electrical-systems-operation-maintenance-questions-and-answers) (9 questions)
- [ETO Navigation Electronics & GMDSS 2](https://practicetestgeeks.com/eto/questions/navigation-electronics-gmdss-2) (7 questions)
- [ETO Navigation Electronics & GMDSS 3](https://practicetestgeeks.com/eto/questions/navigation-electronics-gmdss-3) (7 questions)
- [ETO Navigation Electronics & GMDSS 1](https://practicetestgeeks.com/eto/questions/navigation-electronics-gmdss) (7 questions)
- [ETO Power Generation & Distribution 1](https://practicetestgeeks.com/eto/questions/power-generation-distribution) (7 questions)
- [ETO Power Generation & Distribution 2](https://practicetestgeeks.com/eto/questions/power-generation-distribution-2) (7 questions)
- [ETO Power Generation & Distribution 3](https://practicetestgeeks.com/eto/questions/power-generation-distribution-3) (7 questions)
- [ETO Wills, Trusts & Estates](https://practicetestgeeks.com/eto-wills-trusts-estates-practice-test) (6 questions)
- [ETO Labor & Employment Law](https://practicetestgeeks.com/eto-labor-employment-law-practice-test) (6 questions)
- [ETO Immigration Law & Policy](https://practicetestgeeks.com/eto-immigration-law-policy-practice-test) (6 questions)
- [ETO Constitutional Law & Civil Rights](https://practicetestgeeks.com/eto-constitutional-law-civil-rights-practice-test) (6 questions)
- [ETO Criminal Law & Procedure](https://practicetestgeeks.com/eto-criminal-law-procedure-practice-test) (6 questions)
- [ETO Civil Procedure & Litigation](https://practicetestgeeks.com/eto-civil-procedure-litigation-practice-test) (6 questions)
- [ETO Evidence & Trial Practice](https://practicetestgeeks.com/eto-evidence-trial-practice-practice-test) (6 questions)
- [ETO Contract Law & Commercial Transactions](https://practicetestgeeks.com/eto-contract-law-commercial-transactions-practice-test) (6 questions)
- [ETO Torts & Personal Injury](https://practicetestgeeks.com/eto-torts-personal-injury-practice-test) (6 questions)
- [ETO Property Law & Real Estate](https://practicetestgeeks.com/eto-property-law-real-estate-practice-test) (6 questions)
- [ETO Legal Ethics & Professional Responsibility](https://practicetestgeeks.com/eto-legal-ethics-professional-responsibility-practice-test) (6 questions)
- [ETO Alternative Dispute Resolution](https://practicetestgeeks.com/eto-alternative-dispute-resolution-practice-test) (6 questions)
- [ETO Administrative Law & Regulations](https://practicetestgeeks.com/eto-administrative-law-regulations-practice-test) (6 questions)
- [ETO Family Law & Domestic Relations](https://practicetestgeeks.com/eto-family-law-domestic-relations-practice-test) (6 questions)
- [ETO Business Organizations & Corporate Law](https://practicetestgeeks.com/eto-business-organizations-corporate-law-practice-test) (6 questions)

## Articles & Study Guides

- [Electro-Technical Officer: Your Path to Professional Growth at Sea](https://practicetestgeeks.com/electro-technical-officer)

## Reference Pages

- [ETO Practice Test PDF (Free Printable 2026)](https://practicetestgeeks.com/eto/eto-practice-test-pdf)

## About Practice Test Geeks

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