AB Safety Procedures & Emergency Response 4

Question 1

Which of the following best describes a 'boundary cooling' technique during a shipboard fire?

Accepted Answer

Applying water to bulkheads, decks, and overheads adjacent to the fire to prevent heat transfer

Answer

Boundary cooling involves applying water to the surfaces surrounding a fire to prevent heat from spreading to adjacent spaces and causing structural damage.

Question 2

What is the correct action if a fire cannot be controlled by the initial response team within a short time?

Accepted Answer

Evacuate the compartment, close all openings, and use fixed suppression systems

Answer

If a fire cannot be quickly controlled, the compartment should be evacuated, all openings closed to limit oxygen, and fixed suppression systems activated.

Question 3

Under the STCW Code, what is the minimum rest period required for watchkeepers to prevent fatigue-related accidents?

Accepted Answer

10 hours rest in any 24-hour period

Answer

STCW requires a minimum of 10 hours of rest in any 24-hour period and 77 hours in any 7-day period to prevent fatigue.

Question 4

A vessel's bilge alarm sounds in the engine room. What does this indicate?

Accepted Answer

Water has accumulated to a dangerous level in the bilge

Answer

A bilge high-water alarm indicates that water has accumulated in the bilge to a level that could pose a risk to the vessel's stability or machinery.

Question 5

What type of personal protective equipment (PPE) should be worn when fighting a fire with foam?

Accepted Answer

Full firefighting ensemble including SCBA, fire helmet, gloves, and boots

Answer

Firefighting requires a full structural firefighting ensemble consisting of SCBA, fire-resistant coat and pants, helmet, gloves, and boots to protect against heat and toxic gases.

(AB) Able Seaman Exam Practice Test

(AB) Able Seaman Exam Practice Test

AB Safety Procedures & Emergency Response 4