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Firefighter 1 notes for patrick
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what is a british thermal unit (btu)?
the amount of heat needed to raise the temperature of one pound of water one degree fahrenheit
which is required in order for spontaneous ignition to occur?
sufficient insulation to prevent heat dissipation
in order for heat to be transmitted from one body to another, the bodies must be ________.
at different temperatures
construction type v is also called _________.
wood-frame
type III constructive is also known as ____________.
ordinary
which is one of the three basic roof types?
pitched
which statement about engineered construction systems is correct?
they may be constructed of either steel or wood
which form of ventilation uses a fan to pull smoke from the interior and blow it outside?
negative-pressure
creation of ventilation openings is likely to _________.
increase the fire’s air supply
wind speeds as low as ___ may have a significant effect on structure fire behavior.
10 mph
when using positive-pressure attack (PPA), the size of the exit opening should be based on __________.
the size of the entry opening
for which situation is positive-pressure ventilation (PPV) the most effective?
structure with intact compartmentation
how wide is a kerf cut?
the width of the saw or axe blade
on a pitched roof, a ventilation exhaust opening be cut as __________ as possible.
close to the highest point on the roof
which statement about hydraulic ventilation is correct?
it is conducted from inside the structure
which is cited as a common factor in firefighter injuries/fatalities at basement fires?
firefighters caught in the exhaust portion of the flow path
when smoke temperature in a building equalizes and forms layers, it is said to ___________.
stratify
why is it important to coordinate with suppression crews before beginning ventilation?
ventilation may result in increased fire instensity
which type of tool is a pick-head axe?
cutting
a pick is a _________ tool.
striking
how should a pike pole be carried when indoors?
with the head upright and close to the body
which locking device consists of a frame-mounted plate with a shaft and knob and a door-mounted hinged u-shaped shackle?
door limiter
what does a class c fire consist of?
energized electrical equipment
what is the minimum numerical rating for a class a extinguisher?
40
a ladder that has been exposed to high heat should be _________.
removed from service until it can be tested
NFPA standards require recurring ______ inspection of fire service ladders.
monthly
the actual extended length of an extension ladder ________ the designated length
may be up to 6 inches less than
in general, the reach of a ladder is __________ its designated length for ladders 35 feet or less
1 foot less than
extension ladders 35 feet or longer should be raised by a minimum of ________ people
3
which safety guideline for searching for fire victims is correct?
have a secondary means of egress from the structure
which does a thermal imaging camera use to indicate heat sources?
temperature differentials
in general, when should a search team entering a structure take a hoseline with them?
when working on the fire floor, or on the floors directly above and below
for which situation VEIS the most appropriate technique?
rapid search of a room with exterior access
in the event of a fully exhausted SCBA cylinder, as a last resort, which piece of equipment should be used to filter toxic air?
protective hood
which is correct procedure when conducting a left-handed room search pattern?
if a victim is found, turn right when exiting the room
which type of company specializes in forcible entry, ventilation, and the provision of access to upper levels?
truck
which type of company most typically performs fire suppression?
engine
a _____________ provides detailed, specific steps to take in performing a particular task or solving an issue
procedure
which is an organization’s guide to decision making?
policy
which item is a characteristic of chronic health effect?
recurring
effective scene security is most commonly achieved through the established of ___ control zones.
3
which guide should be consulted for information on the capacities and limitations of lighting equipment?
the manufacturer’s operation guide
which phrase best describes the kinds of incidents for which NIMS-ICS is suited?
a wide variety of incidents
in NIMS-ICS, until responsibility for subordinate management roles has been delegated by the IC, those functions are _________.
performed by the incident commander
in NIMS-ICS, specific objectives to meet strategic goals achieved at the __________ level.
tactical
which statement about personal alert safety systems (PASS) is correct?
the are especially useful in poor-visibility conditions
which temperaure is the approximate transition from “ordinary” heat exposure to “emergency” heat exposure?
400 F
which is the maximum concentration of a chemical substance that the majority of people can tolerate with no adverse effects over a 40 hour work week?
permissible exposure limit
an end-of-service-time indicator is a component of __________.
SCBA
facepiece, regulator, compressed air cylinder, and harness/backplate assembly are the basic components of ________.
open-circuit SCBA
which figure-eight knot would you use to secure an object?
follow-through
which class of rope is designed to stretch significantly without breaking?
dynamic
which substance is produced in significant amounts by burning polyurethane foam?
hydrogen cyanide
in a new multistory building with a flat roof, the structural support system for the roof is most likely ________.
the same as the floor support
fire resistance of factory-built homes improved beginning in ________.
1976
which class of extinguisher has both a letter and a numerical rating?
b
when used in a wide area search, where should the search line be anchored?
outside the entry point
which type of company specializes in mitigating incidents involving dangerous substances?
hazardous materials
which is an example of line personnel?
firefighter
which statement about personal alert safety systems (PASS) is correct?
they are especially useful in poor-visibility conditions
operations personnel exiting the hot zone should first _________.
pass through the decon corridor
most natural fiber ropes are which type of construction?
laid
which is the most common fire department organizational structure?
scalar
what is the purpose of a personnel accountability system?
keep track of all responders during emergency operations
which NIMS-ICS organizational level element is between a section and a division or group?
branch
OSHA requires appointment of a safety officer for which kind of incident?
hazardous materials
how many units are there within a fully developed NIMS-ICS finance/administration section?
4
which statement best describes unified command?
all jurisdictions involved in the incident participate in its management
which NIMS-ICS position is responsible for advising the incident commander regarding media relations?
public information officer
what does the A stand for in PSAP?
answering
which one of these public alerting systems gives the caller a direct voice connection to a telecommunicator?
telephone fire alarm box
what does the first D stand for in TDD?
device
what radio terminology should be used to warm responders of an impending hazard?
“emergency traffic”
what does the C stand for in the ABCs of good communication?
concise
type III construction is also known as _________.
ordinary
type II construction is also known as _____
noncombustible
the panels of common tilt-up construction use which material?
concrete
a casement window consists of _______
a sind-hinged sash that usually swings outward
heat of friction is an example of which type of heat energy?
mechanical
what is heat transfer between bodies through direct contact?
conduction
what is transfer of heat by movement of a fluid?
convection
fuel in the combustion process is the ________
reducing agent
what is the neutral plane?
the interface between the hot and cool gas layers in a compartment
unprotected steel trusses begin to weaken when exposed to temperatures as low as ______
1000 F
of the items listed below, which is the best indicator of impending flashover?
isolated flames in the hot gas layer
what is hypoxia?
lack of oxygen producing illness or death
an open-circuit SCBA uses __________
compressed air
when is it permissible for an individual to work alone in an IDLH atmosphere?
in a confined space operation
which statement best summarizes who should pass through a decon corridor at an incident?
anyone exposed to potentially hazardous substances
an alarm activated when SCBA cylinder pressure drops to _______% of capacity
33
air travels from the cylinder to the regulator through the ________
high-pressure hose
all class c fires involve ____
electricity
which agent is suitable for use on a class a fire?
monoammonium phosphate
aqueous film forming foam (AFFF) works primarily by ______
creating a vapor seal
the core of a kernmantle rope provides about ___________% of the rope’s strength
75
which rope consists of a braided outer sheath over a load-bearing stranded core?
kernmantle
while inspecting a kernmantle rope, you encounter a soft spot in the core. what should you do next?
inspect the outer sheath for damage
knots and sharp bends in a rope can reduce its strength by as much as ___%
50
which part of the rope is used for hoisting and pulling?
running part
which knot is best for tying two ropes of equal diameter together?
figure eight bend