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Firefighter 2 Final Exam
Which pneumatic tools are often used for delicate cutting operations and can cut case hardened locks and steel? - Whizzer saws Which proportioning method uses an external pump or head pressure to force foam concentrate into the fire stream at the correct ratio for the water flow? - Premixing method What is the term used to describe forward velocity pressure at a discharge opening while water is flowing? - Flow pressure Which of the following is NOT a question that would be asked concerning appliances during a residential fire safety survey? Are surge protectors being used? Are appliances name brand? Are electrical cords in good condition? Are the units operating properly? - are appliances name brand? Which type of pressure can be measured with a pitot tube and gauge? - Flow pressure Proportioning methods: When would batch mixing not be effective? - On large incidents because attack lines must be shut down when refilling an empty tank. Water applied to ordinary combustibles usually _______. - Reduce flame spread
Which type of valves are used to control the flow from the hydrant? - Gate valves The _____ the wood, the easier to ignite and the faster it loses structural integrity. - Smaller The threads on pump male discharge outlets are protected by fittings called _____ _____. - Hose caps Who should begin stabilization of a patient trapped inside a vehicle? - A rescuer with EMT training Name one element of patient removal: - Covering sharp edges Fixed-temperature heat detectors rated at _____(f)(c) are common for living spaces. - 165 | 76 Cribbing is most commonly used to _________. - stabilize objects Which type of test should be preformed by private contractors or fire department personnel? - Standard testing Which proportioning method is used with portable extinguishers, wheeled, extinguishers, skid- mounted twin-agent units, and vehicle mounted tank systems? - Premixing method One of the most important practices to address to building occupants about fire safety is _______. - making sure to maintain clear and unobstructed exit pathways
Which pneumatic tool can be used to vacuum loose soil from around victims buried in a trench collapse? - air vacuum Which method of moving water uses a primary water source located at a higher elevation than the distribution system and delivers water to the system without the use of pumps? - gravity system What is NOT a reason a hose clamp is used? - to allow advancement of a charged hose line down stairs Where should the hose be connected on a fire dept pumper when being used for service testing hose line? - to the discharges on the opposite side of the pump panel What is the time span when presenting to young children? - 15 minutes The distribution system that provides circulating feed from all directions is called the _______. - grid system Which sprinkler systems are designed to quickly supply a large volume of water to the protected area? - Deluge system 3 question to ask yourself during a vehicle incident size up. -
- are any utilities damaged?
- Is there a need for additional resources?
- Is there a fire / potential for a fire? *Ages of the victims do not apply Fog nozzles break down ____________ into tiny droplets. -
foam solutions What NFPA standard addresses fire inspection? - NFPA 1031 What is the first step in the basic four-step method of instruction? - preparation Fixed-temp heat detectors are installed on the ______ of a room. - ceiling When service testing fire hose, keep the hose testing area as _____ as possible when filling and discharging air from the hose. - dry The required air pressure in a dry-pipe system is usually about _____ psi (kPa) above the trip pressure - 20 (140) Which pattern has limited capability for cooling hot gases? - solid stream Which automatic alarm systems are used to protect large commercial and industrial buildings - proprietary systems What is a main type of liquified petroleum gas (LPG)? - propane Supervising fire alarm systems are designed to be supervised by: - The systems themselves Air-aspirating foam nozzles provide what? -
gate valves The threads on a pump male discharge outlets are protected by fittings called ________. - hose caps who should begin stabilization of a patient trapped inside a vehicle? - a rescuer with licensed EMS training Which of the following is an element of patient removal? - covering sharp edges Fixed-temp heat detectors rated at ________(*F) are common for living spaces - 165 Firefighters should remove charred materials to prevent the possibility of rekindle and: - to help reduce smoke damage Proportioning refers to: - the mixing of water with foam concentrate to form a solution Name one thing not included in a incident report: - length of rehab Which type of smoke detectors detect minute particles and aerosols produced during combustion? - ionization smoke detectors What information in fire incident records can help with fire prevention efforts? - information about the fire history of a community How many types of portable foam proportioners are there and what are they called? -
in-line and foam nozzle eductors _____________ are made by fire service personnel to ensure compliance with applicable fire and life-safety requirements. - inspections Most incendiary devices leave _____ of their existence. - evidence many fixed fire suppression systems depend on a signal from - a manual pull box The technique of approaching and controlling leaks or fires involving vehicles..... - are the same as for storage vessels The service test should include a specially designed hose test gate valve that has a _____in (mm) hole in the gate. - 1/4 (6) In most jurisdictions, single family residences: - are not subject to any codes. Water mains are made up of all of the following except: - copper Which of the following is a way that human footprints and tire marks can be protected? - cardboard boxes placed over the prints Protect completely or partially burned papers found in a furnace, stove, or fireplace by: - immediately closing dampers and other openings which agency outlines the necessary information needed to complete incident reports? -
On some foam proportioners, the pressure of the water stream flowing through a restriction will create a __________ that inducts foam concentrate into the water stream. - venturi action What is an example of a groundwater supply? - water wells Chains used for rescue work should be made from: - alloy steel Which type of valve devices are most often used in wild land firefighting operations? - water thief appliences How should vertical motion of a vehicle involved in an incident be prevented? - with jacks or cribbing Which sprinkler position extends down from the underside of the piping? - upright postion Test lengths of hose shouldn't exceed _______ft (m) in length. - 300 feet of 100 meters Which automatic alarm systems have a receiving station at an off-site, contracted service point? - central station systems When applying a hose clamp, apply it within _____ft from the coupling on the incoming water side. - 5 feet (1.5) When should a fire hose be service tested? - after being run over by a vehicle
True of False: Diluted foam concentrates are highly dangerous and pose extreme health risks to firefighters - false Which type of glass is designed so that small lines of fracture are spread throughout the entire plate, so that the glass separates into many small pieces? - Tempered Glass Which of the following is a guideline for conducting residential fire safety surveys? - survey all rooms including the garage What should firefighters never do regarding the cause of the fire? - express personal opinions to anyone Wood reacts to fire conditions based on its: - size and moisture content Which type of valve devices are used when large-diameter hose (LDH) is not available to overcome friction loss in exceptionally long hose lays? - Siamese appliances List an example of a factor in hose line selection: - fire load
