DWO Safety Procedures 3

Question 1

What is the minimum number of independent means of escape required from each machinery space under SOLAS?

Accepted Answer

Two

Answer

SOLAS requires at least two means of escape from each machinery space to ensure crew can evacuate if one route is blocked.

Question 2

During a fire in the cargo hold, the OOW should FIRST ensure which action is taken?

Accepted Answer

Sound the general alarm and notify the master

Answer

Sounding the general alarm and alerting the master initiates the emergency response organization before any other actions.

Question 3

A 'closed circuit' breathing apparatus (SCBA) differs from open-circuit SCBA primarily because it:

Accepted Answer

Recirculates exhaled gas, extending duration

Answer

Closed-circuit SCBA recirculates exhaled breath through a CO2 scrubber, providing a longer air supply than open-circuit units.

Question 4

Under 46 CFR, what is the minimum freeboard deck illumination requirement during emergency drills at night?

Accepted Answer

Emergency lighting must illuminate all assembly stations and escape routes

Answer

Emergency lighting systems must ensure that assembly stations, escape routes, and survival craft embarkation areas are adequately illuminated.

Question 5

Which signal on a ship's whistle indicates 'abandon ship' when used in an emergency?

Accepted Answer

Five or more short and rapid blasts

Answer

The abandon ship signal is more than six short blasts followed by one long blast on the ship's whistle, often paired with the general alarm.

(DWO) Deck Watch Officer Practice Test