AB Firefighting and Emergency Procedures 5

Question 1

Flash point is defined as the lowest temperature at which a liquid:

Accepted Answer

Produces enough vapor to ignite momentarily when exposed to an ignition source

Answer

Flash point is the minimum temperature at which a liquid produces sufficient vapor to ignite briefly when an ignition source is applied.

Question 2

A fire in the ship's paint locker is BEST fought with which fixed system?

Accepted Answer

CO2 total flooding system

Answer

Paint lockers are typically protected by CO2 fixed flooding systems because they are enclosed spaces with flammable liquids.

Question 3

What is the purpose of a fire damper in a ship's ventilation system?

Accepted Answer

To prevent fire and smoke from spreading through ductwork

Answer

Fire dampers automatically close in a fire, preventing flames and smoke from traveling through ventilation ducts to other compartments.

Question 4

When approaching a closed door during a fire investigation, you should:

Accepted Answer

Feel the door and handle for heat before opening

Answer

A hot door or handle indicates fire on the other side; opening it could cause backdraft or sudden flame spread.

Question 5

Which condition is represented by the 'fuel' side of the fire triangle?

Accepted Answer

Any combustible material that can oxidize

Answer

Fuel is any combustible substance (solid, liquid, or gas) that can undergo oxidation, forming one leg of the fire triangle.

(AB) Able Seaman Exam Practice Test