Doors in Watertight Bulkheads of Passenger Ships and Cargo Ships – Unified Interpretation – Set B

Source: Unified interpretations of SOLAS chapter II-1, Parts B-2 – Subdivision, Watertight and Weathertight Integrity and B-4 – Stability Management – Doors in watertight bulkheads of passenger ships and cargo ships.
Reference: imorules.com – SOLAS II-1 Parts B-2 and B-4 unified interpretations

Question 4 of 10

4. On passenger ships, the audible alarm for a remotely closed watertight door should sound, before the door begins to move, for:

A) at least 2 s but not more than 5 s B) at least 5 s but not more than 10 s C) at least 10 s but not more than 20 s D) at least 30 s

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