IFSTA final Questions Answered 100% correct 2023

IFSTA final Questions Answered 100% correct 2023 What is the leading cause of firefighter fatalities? cardiovascular disease Prior to donning SCBA, firefighters should: Check the air cylinder gauge to make sure the cylinder is full Which is a characteristic of fog streams? Can be adjusted to suit the situation Division of labor refers to The process of dividing large jobs into smaller piece to make them more manageable One goal of the national fallen firefighters association's 16 firefighter life safety initiatives is to: Empower all firefighters to stop unsafe practices Firefighting boots must be: High enough to protect the lower leg A spanner wrench is designed to: Tighten or loosen coupling connections Personal alert the safety system alarms are designed to activate when: A firefighter is motionless for more than 30 seconds After doffing SBA, always remember to: Clean and disinfect the face piece Why is it important to ensure that PPE is dry before wearing it into a fire? Moisture can transfer heat rapidly and result in steam burns When advancing a hose line into a structure, firefighters should: First open the nozzle fully and check for adequate water flow (AVP) Manufactured products affect firefighters exposure to contaminants, because they tend to burn at higher temperatures and these higher temperatures: Increase the skins ability to absorb chemicals deposited on it. Firefighters should wear STBA in hazardous atmospheres, because exposures to particular contaminants such as ______ can cause lung cancer or cardiovascular disease Vehicle exhaust emissions Water absorbs heat in converts to steam most rapidly when it is: Applied in a fog pattern Which describes a master stream device? Large volume hose streams created by appliances such as apparatus mounted deck guns A type of fire department and organizational structure where decisions in information or directed from the top and filter down through the intermediate levels to the base can be described as: Scalar In the most common type of fire department organizational structure Decisions in information are directed from the fire chief down through the intermediate levels Why did the national fallen firefighters association develop the 16 fire fire life safety initiatives in 2004? To provide the fire service with a blueprint for making changes Which statement regarding the use of fire fighting helmets is accurate? Ear flaps must be folded down, even if wearing a protective hood. What should be the first priority of firefighters when there are down high-voltage powerlines? Contact the electric company to shut off power When refilling an SBA cylinder, firefighters must: Ensure that the cylinder is completely full, but not over pressurized. Each employee reporting to just one supervisor, who intern move up the chain of command, is an example of: Unity of command A dry barrel hydrant only has water in it when: The stem nut is operated to open the control valve While on duty, firefighters should avoid wearing Clothing made of non fire resistant synthetic materials What is structural PPE designed to do? Cover all portions of the skin while reaching, bending, or moving. Which statement about structural firefighting protective coats is accurate? The outer shell, moisture barrier, and thermal barrier must always be worn together. When does the response to an emergency begin? As soon as the department is notified of the emergency. In order to avoid contact burns in heat stress after leaving a heated environment, firefighters should: Follow rehabilitation protocols and allow clothing to cool. Which type of nozzle has a street, smooth tip and produces a solid stream of water? Smooth bore nozzle What does it mean to practice situational awareness on the fire ground? Being observant about hazards and changing conditions What is one advantage of the minute load? The host does not drag on the ground Friction loss causes: Reduced water flow and pressure at the nozzle Which type of hose fitting is used to attach a smaller hose to the end of a larger hose Reduce What should be done during routine inspections of PPE, such as after use at an incident? Look for damage like rips and tears What is a safety consideration for PPE? Never wear PPE that does not fit When a compartment fire is in ventilation limited decay, _______ can trigger flashover quickly. Introduction of new oxygen. The _________ on a coupling is a flattened angle at the end of the threads that helps prevent cross threading when connecting couplings. Higbee cut When hoses rolled in a single section straight roll, the: Male coupling is in the center of the rule Class K fires involve: cooking oils In the fire environment, convection usually involves the transfer of heat through: The movement of hot smoke and fire gases. Firefighters working in the exhaust portion of the flow path will: Feel the increase in termperature as the velocity and/or turbulence increases. When operating a portable fire extinguisher: Aim the nozzle at the base of the fire Which is a guideline for loading hose? Remove kinks and twist from the hose when forming a loop Fire hose should be washed with mild soap or detergent using scrub brushes: If it has been exposed to oil. Which is an indicator for potential back draft? Pulsing smoke movement around small openings in the building Observed from the exterior, a high neutral plane may indicate that the fire is in the early stages of development, or could indicate: A fire above your level Class C fires involve Energized electrical equipment By which mechanism of heat transfer does he travel in a straight line at the speed of light, allowing heat to travel through vacuums in the air spaces? Radiation Sawdust ignites more easily than a log because the sawdust has a higher: Surface to mass ratio