AB Firefighting and Emergency Procedures Questions and Answers — Questions and Answers
Question 1: You are part of an initial response team for a fire in the engine room. Which of the following actions should be prioritized to prevent the fire from spreading?
- Starting the emergency fire pump and cooling boundaries.
- Immediately discharging the fixed CO2 system.
- Shutting down fuel lines, stopping ventilation, and securing fire dampers. (Correct answer)
- Gathering all available portable fire extinguishers at the scene.
Correct answer: Shutting down fuel lines, stopping ventilation, and securing fire dampers.
The immediate priority in containing an engine room fire is to remove the elements of the fire triangle: fuel and oxygen. Shutting down fuel lines removes the fuel source, while stopping ventilation fans and securing fire dampers cuts off the oxygen supply and helps to contain the fire within the space. Discharging the fixed CO2 system is a last resort and requires all personnel to be evacuated first. Cooling boundaries is important but comes after securing the space.
Question 2: A fire has broken out involving pooled diesel fuel on the deck. Which class of fire is this, and what is the MOST appropriate portable extinguishing agent to use?
- Class A; Water
- Class B; Foam or Dry Chemical (Correct answer)
- Class C; Carbon Dioxide (CO2)
- Class K; Wet Chemical
Correct answer: Class B; Foam or Dry Chemical
Fires involving flammable liquids like diesel fuel are classified as Class B fires. The most appropriate extinguishing agents are foam, which smothers the fire by cutting off oxygen, or dry chemical powder, which interrupts the chemical reaction. Water should not be used as it can spread the burning fuel. CO2 is less effective in open areas, and Wet Chemical is for cooking oils (Class K).
Question 3: What is the general emergency alarm signal that calls all crew to their muster stations?
- One prolonged blast on the ship's whistle.
- A continuous ringing of the ship's bell.
- Three short blasts followed by one long blast.
- Seven or more short blasts followed by one long blast. (Correct answer)
Correct answer: Seven or more short blasts followed by one long blast.
According to SOLAS regulations, the general emergency alarm signal consists of seven or more short blasts followed by one long blast on the ship's whistle or siren, supplemented by the ship's internal alarm bells. This signal alerts all personnel to proceed to their designated muster stations as outlined in the muster list.
Question 4: Which of the following items is a required component of a SOLAS-compliant Fireman's Outfit?
- A handheld GPS unit.
- A multi-gas detector.
- An intrinsically safe (explosion-proof) safety lamp. (Correct answer)
- A thermal imaging camera.
Correct answer: An intrinsically safe (explosion-proof) safety lamp.
A SOLAS-compliant Fireman's Outfit must include specific personal equipment. Among the required items are an electric safety lamp (hand lantern) of an approved, intrinsically safe or explosion-proof type, with a minimum burning period of three hours. While other listed items are useful, they are not part of the minimum required equipment for the outfit itself under SOLAS.
Question 5: Before releasing a fixed CO2 fire-extinguishing system into a machinery space, what is the most critical final step?
- Notifying the port authority of the intention to release CO2.
- Starting the emergency generator.
- Confirming that all personnel have been evacuated and accounted for. (Correct answer)
- Checking the pressure on the master CO2 valve.
Correct answer: Confirming that all personnel have been evacuated and accounted for.
Carbon Dioxide (CO2) extinguishes a fire by displacing oxygen, which also makes the atmosphere in the space lethal to human life. Therefore, the most critical final step before releasing the system is to conduct a headcount and ensure that every single person has safely evacuated the space to be flooded. Failing to do so would result in certain fatality for anyone left behind.
Question 6: You are on watch and see smoke coming from a closed cabin door. What should be your FIRST action?
- Immediately open the door to investigate and fight the fire.
- Sound the fire alarm and report the location to the bridge. (Correct answer)
- Use a fire hose to cool the door and surrounding bulkhead.
- Find the nearest fire extinguisher before taking any other action.
Correct answer: Sound the fire alarm and report the location to the bridge.
The first and most important action upon discovering a fire is to raise the alarm to alert the entire crew and the bridge. This ensures a rapid, organized response from the designated fire teams. Reporting the exact location allows the command team to make critical decisions. Opening the door could introduce oxygen and cause a flashover, making the situation much worse.
AB Firefighting and Emergency Procedures Questions and Answers
You are part of an initial response team for a fire in the engine room.
Which of the following actions should be prioritized to prevent the fire from spreading?