DWO Emergency Response 5

Question 1

A vessel receives a Coastal Warning that a tropical storm is approaching. Under US regulations, the DWO should FIRST:

Accepted Answer

Notify the master and plot the storm's track to determine safe routing

Answer

The master must be informed immediately so command decisions can be made; plotting the storm track allows informed routing decisions.

Question 2

When a vessel loses steering in a narrow channel, which emergency measure should the DWO take FIRST to warn other traffic?

Accepted Answer

Broadcast a SECURITE message on VHF channel 16

Answer

A SECURITE broadcast on VHF 16 immediately warns all nearby traffic of the navigational hazard, allowing them to take avoiding action.

Question 3

Under the ISM Code, what document must be completed and maintained following any emergency drill?

Accepted Answer

A drill record in the ship's official logbook

Answer

SOLAS and ISM Code require that all drills be recorded in the official logbook, including date, type of drill, and names of participants.

Question 4

What is the primary purpose of a hydrostatic release unit (HRU) on an EPIRB?

Accepted Answer

To automatically release and activate the EPIRB when submerged to 1.5–4 meters

Answer

The HRU releases the EPIRB from its bracket and activates it automatically when submerged, ensuring activation even if the crew cannot manually deploy it.

Question 5

During a fire in a vessel's galley involving cooking oil, the correct extinguishing agent is:

Accepted Answer

Wet chemical (Class K) extinguisher

Answer

Cooking oil fires are Class K (US) or Class F (international); wet chemical agents react with the oil to form a soap-like crust that smothers the fire.

(DWO) Deck Watch Officer Practice Test

(DWO) Deck Watch Officer Practice Test

DWO Emergency Response 5