OS Fire Fighting and Fire Prevention 2

Question 1

What does the acronym PASS stand for when operating a portable fire extinguisher?

Accepted Answer

Pull, Aim, Squeeze, Sweep

Answer

Push, Aim, Spray, Secure

Answer

Pull, Arm, Squeeze, Spread

Answer

Point, Activate, Squeeze, Spray

Question 2

A Class A fire involves which type of combustible material?

Accepted Answer

Ordinary combustibles such as wood, paper, and cloth

Answer

Flammable liquids such as gasoline or fuel oil

Answer

Energized electrical equipment and wiring

Answer

Combustible metals such as magnesium or titanium

Question 3

How many crew members are generally required to safely and effectively operate a charged fire hose aboard a merchant vessel?

Accepted Answer

Two crew members

Answer

One crew member

Answer

Four crew members

Answer

Six crew members

Question 4

Which firefighting agent is most effective for extinguishing a Class B fire involving flammable liquid spills?

Accepted Answer

Foam (AFFF or protein foam)

Answer

Straight water jet

Answer

Compressed air applied directly

Answer

Sand applied in thin layers

Question 5

What is the primary purpose of a self-contained breathing apparatus (SCBA) used during shipboard firefighting?

Accepted Answer

To protect the wearer from smoke inhalation and toxic gases

Answer

To supply extra oxygen directly into the fire area

Answer

To cool the firefighter's body temperature during hot operations

Answer

To enable radio communication with the bridge while inside a compartment

Question 6

Which area of a ship presents the greatest fire risk due to the concentration of fuel and high-heat machinery?

Accepted Answer

The engine room and machinery spaces

Answer

Crew berthing and accommodation spaces

Answer

The navigation bridge

Answer

The forward cargo hold

Question 7

According to SOLAS requirements, how frequently must fire and boat drills be conducted on merchant vessels?

Accepted Answer

At least once per month

Answer

Once per year for each type of drill

Answer

Once every six months

Answer

Once per week while at sea