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100+ Free SAMSA / STCW Section A-VI/3 Certificate of Proficiency in Advanced Firefighting Practice Questions
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2026 Statistics
Key Facts: SAMSA / STCW Section A-VI/3 Certificate of Proficiency in Advanced Firefighting Exam
70%
Passing Score
SAMSA / STCW
2.5 hours
Time Limit
SAMSA / STCW
5 Years
Validity Period
STCW Manila Amendments
Prepare for the SAMSA / STCW Section A-VI/3 Certificate of Proficiency in Advanced Firefighting exam with our 100 high-yield practice questions. Note that these 100 MCQs are an English-language MCQ study adaptation created for self-assessment, concept reinforcement, and exam readiness.
Sample SAMSA / STCW Section A-VI/3 Certificate of Proficiency in Advanced Firefighting Practice Questions
Try these sample questions to test your SAMSA / STCW Section A-VI/3 Certificate of Proficiency in Advanced Firefighting exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1Upon receiving a report of a fire in a shipboard compartment, what is the immediate tactical priority of the On-Scene Commander (OSC)?
A.Gather the emergency team, establish communications, and verify the location and nature of the fire while securing boundaries.
B.Order the immediate discharge of the fixed total-flooding CO2 system.
C.Calculate the vessel's metacentric height change due to firefighting water.
D.Contact the port state authority to request emergency tug assistance.
Explanation: The On-Scene Commander must immediately assemble the fire party, establish reliable communications with the bridge, assess the fire scene, and establish initial fire boundaries. Prematurely discharging fixed systems or conducting complex calculations without initial size-up delays essential life safety and containment measures.
2What is the primary objective of establishing boundary cooling during an onboard fire-fighting operation?
A.To extinguish the fire directly by smothering the fuel source.
B.To prevent heat transfer via conduction and radiation to adjacent compartments and limit fire spread.
C.To wash away hazardous chemical residues from deck surfaces.
D.To increase the humidity in adjacent spaces to prevent electrical arcing.
Explanation: Boundary cooling involves applying water spray to adjacent bulkheads, decks, and overheads to absorb heat and prevent heat conduction and thermal radiation from igniting combustible materials in neighboring spaces. It contains the fire within its original compartment.
3At what cylinder pressure threshold must the low-pressure audible warning device (whistle) sound on an STCW-compliant self-contained breathing apparatus (SCBA)?
A.100 bar ± 10 bar
B.20 bar ± 2 bar
C.55 bar ± 5 bar
D.10 bar ± 1 bar
Explanation: Standard marine SCBA sets feature a low-pressure warning whistle that activates at approximately 55 bar (±5 bar) or when roughly 200 bar operating pressure drops to 20–25% remaining capacity. This provides the wearer sufficient reserve air (typically 5 to 10 minutes) to exit the hazardous area safely.
4What is the main stability hazard associated with applying large volumes of water to extinguish fires on upper decks or in superstructure compartments?
A.Increase in vessel draft leading to anchor line stress.
B.Structural weakening of hull frames from thermal contraction.
C.Immediate corrosion of deck plating caused by fresh water exposure.
D.Loss of metacentric height (GM) due to free surface effect and high center of gravity (KG) elevation.
Explanation: Accumulating water on upper decks raises the vessel's vertical center of gravity (KG) and creates a large free surface effect, both of which severely reduce metacentric height (GM) and can lead to dangerous listing or capsizing.
5Which document outlines the specific duties, stations, and emergency signals for every crew member during a shipboard fire emergency?
A.The Muster List (Muster Roll)
B.The Engine Room Logbook
C.The International Oil Pollution Prevention (IOPP) Certificate
D.The Cargo Securing Manual
Explanation: The Muster List is a statutory SOLAS document displayed prominently throughout the ship. It specifies emergency signals, assigned muster stations, and emergency duties for all crew members during fire, abandon ship, and man overboard scenarios.
6How many trained personnel make up the standard minimum entry team for initial attack in a smoke-filled compartment?
A.1 firefighter acting alone to minimize risk.
B.2 firefighters fitted with full PPE and SCBA, keeping continuous physical or visual contact.
C.5 firefighters working independently throughout the space.
D.4 firefighters connected by a rigid metal bar.
Explanation: For safety in hazardous or zero-visibility compartments, an entry team must consist of at least 2 qualified firefighters equipped with SCBA who maintain continuous physical, visual, or lifeline contact with each other.
7What oxygen concentration by volume is considered the minimum safe level for entering an unventilated compartment without an SCBA?
A.12.0%
B.16.0%
C.20.9%
D.25.0%
Explanation: Normal atmospheric air contains approximately 20.9% oxygen by volume. Any compartment with less than 20.9% (or strictly below 19.5% minimum threshold) is considered oxygen-deficient and requires breathing apparatus for entry.
8How does a Thermal Imaging Camera (TIC) assist firefighters during an enclosed shipboard search and rescue?
A.By extinguishing small class A fires automatically via infrared light.
B.By transmitting live voice signals through heavy steel bulkheads.
C.By measuring atmospheric oxygen and toxic gas levels continuously.
D.By detecting thermal radiation through smoke, enabling identification of casualties, hot spots, and structural boundaries.
Explanation: A Thermal Imaging Camera displays relative surface temperature differences through dense smoke and darkness, allowing search teams to locate unconscious victims, identify hidden fire seats, and assess boundary temperatures.
9What role does the Chief Engineer typically assume during a major machinery space fire emergency?
A.Takes charge of technical machinery operations, engine room isolation, fuel cut-offs, and fixed system readiness under the Master's command.
B.Leads the hose team directly inside the bilges as nozzleman.
C.Manages passenger evacuation on the lifeboat deck.
D.Operates the radio on the bridge to handle press inquiries.
Explanation: The Chief Engineer provides technical command over engineering systems, advising the Master on fuel quick-closing valves, ventilation dampers, electrical isolations, emergency generator operation, and fixed extinguishing system discharge.
10What is the recommended method for communicating between the On-Scene Commander (OSC) and the Command Team on the Navigation Bridge?
A.Shouting through ventilation trunks.
B.Dedicated intrinsically safe UHF/VHF portable radios using standard maritime terminology.
C.Sending handwritten notes via messengers running through corridors.
D.Tapping on steel bulkheads using morse code.
Explanation: Intrinsically safe portable UHF/VHF radios on designated emergency channels provide reliable, continuous two-way communication between tactical leaders on scene and the Master on the bridge.
About the SAMSA / STCW Section A-VI/3 Certificate of Proficiency in Advanced Firefighting Practice Questions
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