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Firefighter 2 Final Exam
Test questions 1-100 (456)
Terms in this set (100)
Which pneumatic tools are often used for delicate cutting operations and can cut case hardened locks and steel?
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?
What is the term used to describe forward velocity pressure at a discharge opening while water is flowing?
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?
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?
The _____ the wood, the easier to ignite and the faster it loses structural integrity.
The threads on pump male discharge outlets are protected by fittings called _____ _____.
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 _____(
c) are common for living spaces.
165 | 76
Cribbing is most commonly used to _________.
Which type of test should be preformed by private contractors or fire department personnel?
Which proportioning method is used with portable extinguishers, wheeled, extinguishers, skid-mounted twin-agent units, and vehicle mounted tank systems?
One of the most important practices to address to building occupants about fire safety is _______.
making sure to maintain clear and unobstructed exit pathways
Normal pressure exiting a system before water is released from a hydrant is called ______.
Energy created by moving parts on machines, such as belts and bearings
Mechanical heat energy
Water received from treatment facilities is delivered to ________ storage tanks before being distributed throughout the area served.
State 3 facts about service testing:
1. The test area should be smooth and free from rock and debris
2. Hose should be tested in a paved area with room to lay out the hose
3. A water source sufficient for filling the hose is necessary
Describe Completed Foam:
completed product after air is introduced into the foam solution
What can hide fire hazards and impede paths of egress?
With the bank-down foam application method, the foam stream is directed:
onto an object, allowing the foam to run down / onto the surface of the fuel.
Winches should be positioned:
as close to the object being pulled as possible
Which hydraulic tools may spread as much as 32 inches (800mm) apart?
Which pneumatic tool can be used to vacuum loose soil from around victims buried in a trench collapse?
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?
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?
The distribution system that provides circulating feed from all directions is called the _______.
Which sprinkler systems are designed to quickly supply a large volume of water to the protected area?
3 question to ask yourself during a vehicle incident size up.
1. are any utilities damaged?
2. Is there a need for additional resources?
3. Is there a fire / potential for a fire?
*Ages of the victims do not apply
Fog nozzles break down ____________ into tiny droplets.
What NFPA standard addresses fire inspection?
What is the first step in the basic four-step method of instruction?
Fixed-temp heat detectors are installed on the ______ of a room.
When service testing fire hose, keep the hose testing area as _____ as possible when filling and discharging air from the hose.
The required air pressure in a dry-pipe system is usually about _____ psi (kPa) above the trip pressure
Which pattern has limited capability for cooling hot gases?
Which automatic alarm systems are used to protect large commercial and industrial buildings
What is a main type of liquified petroleum gas (LPG) ?
Supervising fire alarm systems are designed to be supervised by:
The systems themselves
Air-aspirating foam nozzles provide what?
maximum expansion of the agent, but has less stream reach than a standard fog nozzle
Which type of water main valves are usually the non rising step type?
When are most fire inspections conducted?
during normal business hours
Application foams produce _____________________.
a vapor sealing film of surface-active water solution of a liquid surface
What would require a tactical channel?
What type of structural collapse occurs when the outer walls remain intact and the upper floors and / or roof structure fail in the middle?
When removing tempered glass, where should the window be struck?
in the lower corner
___________: the forward velocity pressure at a discharged opening while water is flowing?
When is batch mixing ineffective?
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 a hydrant?
The threads on a pump male discharge outlets are protected by fittings called ________.
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
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.
Most incendiary devices leave _____ of their existence.
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.
In most jurisdictions, single family residences:
are not subject to any codes.
Water mains are made up of all of the following except:
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?
national fire incident reporting system
3 functions of fire fighting foams include:
-smothering the fire
-Allows water to penetrate deep-seated fires
-cooling surface temp of fuels
Which of the following is likely to be needed for conducting an inspection?
full PPE including SCBA
_____ and _____ factors may have great effect on the natural path of fire spread.
wind direction and velocity
What kind of sprinkler consists of a pellet of solder, under compression, within a small cylinder?
5 things to likely to assessed during an interior survey:
portable heating units
Which part of an automatic sprinkler system is the pipe connecting the riser to the cross mains?
which sprinkler systems are used in locations where temperatures below 40f are not expected?
Which of the following is another name for an arrival report?
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.
What is an example of a groundwater supply?
Chains used for rescue work should be made from:
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?
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
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?
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?
List an example of a factor in hose line selection:
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