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ETO ETO Exam papers 📅 Jul 2025

Exam Question

(a) State essential electrical services on board that are able to be operable under fire conditions. (5)

(b) Explain how electric cables for the essential services in part (a) pass through bulkheads whilst maintaining gas tight and watertight integrity. (5)

(c) State the requirements for the cables which supply electrically driven emergency fire pumps (6)

Exam question diagram

Reference Answer

(a) Electrical services required to be operable under fire conditions are as follows:
Control and power systems to power-operated fire doors and status indication for all fire doors
Control and power systems to power-operated watertight doors and their status indication
Emergency fire pump

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