Enpq - Intervention Pompier 1 - Examen Diagnostique Intervention

The correct answer is D) Yes, because the interior components are made of plastic that burns quickly and releases toxic fumes. When dealing with a vehicle fire, the interior components, such as the seats, dashboard, and other plastic materials, can ignite and produce toxic smoke and gases. Therefore, wearing a self-contained breathing apparatus (SCBA) is justified to protect firefighters from inhaling these harmful substances and to ensure their safety during firefighting operations.

The correct answer, D, states that debris removal operations reduce the risk of fire re-ignition and help determine its cause. This reflects the importance of these operations as they not only prevent the fire from starting again but also contribute to investigating and understanding the root cause of the fire. By removing debris, potential fuel sources for the fire are eliminated, reducing the risk of it reigniting. Additionally, the process of debris removal allows investigators to examine the scene more thoroughly, aiding in determining the cause of the fire.

It is preferable to use large diameter pipes between the fire trucks in order to decrease the pressure losses. When water flows through a pipe, there is a loss of pressure due to friction between the water and the walls of the pipe. By using larger diameter pipes, the flow of water is smoother and there is less friction, resulting in lower pressure losses. This allows the water to be pumped more efficiently and effectively to combat the fire.

L'engelure est une réponse inflammatoire de la peau causée par une exposition prolongée au froid. Lorsque la peau entre en contact avec les ajutages ou les cornets des extincteurs au halon 1211 et CO2 pendant leur projection, la peau peut être exposée à des températures extrêmement froides, ce qui peut entraîner des engelures.

The correct answer is C) Fermer lentement la borne, attendre que celle-ci se vidange et visser tous les capuchons. This is the correct sequence for closing an unfreezable fire hydrant. It is important to close the hydrant slowly to allow it to drain properly, and then secure all the caps to prevent any leakage or contamination.

The term that corresponds to the given definition of "chemical reaction that releases heat" is A) Réaction exothermique. In an exothermic reaction, energy is released in the form of heat, resulting in an increase in temperature of the surroundings. This is opposite to an endothermic reaction, where heat is absorbed from the surroundings. The term "réaction énergétique" is not specific to heat, and "réaction calorimétrique" refers to a reaction measured using a calorimeter, which may or may not involve heat release.

The correct answer is A) Murs déplacés en raison de l'allongement des supports de toiture en acier. This is because if the walls of the building are displaced due to the elongation of the steel roof supports, it indicates structural damage and instability, which can pose a significant risk to the safety and health of firefighters involved in debris removal and surveillance operations.

The correct answer is D) Prévenir les incendies, améliorer la sécurité des personnes et aider l'occupant à comprendre et à améliorer les conditions existantes. This answer is the most comprehensive and encompasses all the main objectives that should be achieved during the fire prevention visits. It includes preventing fires, improving the safety of individuals, and assisting the occupant in understanding and improving the existing conditions. This answer focuses on both proactive measures (preventing fires) and reactive measures (improving safety and assisting the occupant).

Based on the information given, we know that the building in sector 52 is at risk of the embers burning its roof due to strong winds. The phrase "à l’avant et à gauche de la maison en feu" translates to "in front and to the left of the house on fire." Therefore, the building in sector 52 is located in front and to the left of the house on fire.

During ventilation operations in a two-story residence fire, it is important to consider safety measures. Option B suggests that observing the direction of the winds in relation to neighboring buildings is a safety measure that should be implemented. This is because understanding the wind direction can help in determining the spread of the fire and prevent it from spreading to nearby structures. By being aware of the wind direction, firefighters can better plan their ventilation operations and ensure the safety of themselves and others involved in the operation.

The correct answer is A) 1, 3, 5. This is because the question asks for the possible means of water distribution in a municipal network. Option 1, the direct pumping system, involves using pumps to directly push water through the network. Option 3, the gravitational system, relies on the force of gravity to distribute water. Option 5, the combined system, likely refers to a combination of both pumping and gravitational methods. Therefore, options 1, 3, and 5 are the correct choices.

The correct answer is B) Il s'agit du point le plus rapproché dans le sens du vent. In firefighting, the "talon du feu" refers to the point on the fire's edge that is closest to the direction of the wind. This is an important point to identify because it allows firefighters to determine the fire's direction of spread and take appropriate actions to slow down its progression. By focusing on the point closest to the wind, firefighters can effectively apply water or other suppression techniques to prevent the fire from spreading further.

The correct answer is D) Une maison de retraite. In the context of fire prevention, the term "risques cibles" refers to specific targets or locations that are at risk of fire. A retirement home, such as a maison de retraite, would be considered a high-risk target due to the presence of elderly residents who may have limited mobility and may require assistance in case of a fire emergency.

In order to observe safety rules during a building fire, the hose team and its helpers must always stand on the same side of the hose. This ensures that they are not in the way of the water stream and reduces the risk of injury. Standing on the same side of the hose also allows for better coordination and communication between team members.

If the fire hydrant is not fully opened, the flow control valve will allow water to flow out. This means that even if the hydrant is not fully open, water will still be able to flow through the valve.

The correct answer is C) 10 litres (± 2 gallons). This is because a portable water fire extinguisher with a 2A rating typically contains 10 liters of water. The rating indicates the extinguishing capability, with 2A being suitable for extinguishing Class A fires, which involve ordinary combustible materials such as wood, paper, and cloth. The range of ± 2 gallons allows for slight variations in the exact amount of water contained in the extinguisher.

The correct answer is C) D'au moins cinq échelons. This means that the ladder should extend beyond the edge of the roof by at least five rungs. This is important for safety reasons as it ensures that there is enough stability and support for the person climbing the ladder. Having at least five rungs beyond the edge of the roof provides a secure foothold and prevents the ladder from slipping or tipping over.

When dealing with a bomb threat, it is important to maintain a safe distance to avoid triggering a remotely controlled bomb. The correct answer is C) 50 meters (150 feet), which means that radio communications should cease at a distance of 50 meters to minimize the risk of detonation.

The correct answer is A) Un tuyau d'alimentation souple de 100 mm muni d'un adaptateur de 65 mm (4 po). This option suggests using a flexible supply hose of 100 mm with a 65 mm adapter. By using a larger diameter hose, more water can flow through it, resulting in a higher maximum flow rate to the fire pump. The adapter allows for the connection to the 65 mm fire hydrant, ensuring compatibility with the existing infrastructure.

The correct answer is C) Échelle à coulisse de 10,7 m (35 pi). This is the appropriate ladder because it is long enough to reach the roof of the two-story building, which has a height of 6 meters (20 feet). The ladder's length of 10.7 meters (35 feet) allows for a safe and stable climb to the roof.

Tirer avantage de la direction et de l'intensité du vent permet de garantir l'efficacité des opérations de ventilation à pression positive. En utilisant la force du vent, il est possible de créer un flux d'air constant à l'intérieur de l'espace ventilé, assurant ainsi une circulation d'air adéquate. Cela permet de maintenir une pression positive dans la zone, empêchant ainsi l'infiltration d'air contaminé ou toxique provenant de l'extérieur.

The correct answer is D) En porte-à-faux (pentes non supportées). This means that the collapse shown in the photograph is a cantilever collapse, where the structure collapses due to unsupported slopes.

In order to maintain the normal thermal stratification inside the room, the correct type of water jet to use is a narrow diffused jet at the base of the fire. This type of jet helps to cool the fire at its source and prevent the heat from rising and spreading throughout the room, thus maintaining the desired thermal stratification.

The correct answer is D) Anti-panique, à levier et à crochets. This answer suggests that the three main types of mechanisms for folding revolving doors are anti-panic, lever, and hooks. These mechanisms are designed to ensure the safety and ease of use of the revolving doors. The anti-panic mechanism allows for quick and easy exit in case of an emergency, the lever mechanism provides a convenient way to open and close the doors, and the hook mechanism ensures that the doors stay securely closed when needed.