1
Q
Portable extinguishers are primarily used on
A
Small incipient fires or fires in the early growth stage
2
Q
Fire extinguishers are classified according yo
A
Type of fire that each is designed to extinguish
3
Q
Class K
A
Cooking oils (Kitchen)
4
Q
Class C
A
Electrical Equipment (electriCity)
5
Q
Class A
A
Ordinary combustibles
6
Q
Class B
A
Flammable Liquids
7
Q
Class D
A
Metals
8
Q
The class A rating of extinguishers is primarily based on
A
The amount of water and the duration and range of the discharge used in extinguishing test fires
9
Q
Magnesium is an example of what kind of fuel
A
Class D
10
Q
Dry powder works best on
A
Class D fires
11
Q
Gasoline is an example of what kind of fuel
A
Class B
12
Q
What agents are used to extinguish class b fires
A
Carbon dioxide, dry chemicals and class b foam
13
Q
When can water and water-based agents be used on Class C fires
A
When the electricity is shut off or disconnected, treat fire as class A or B
14
Q
Fire identified by bright white light emissions
A
Magnesium
15
Q
The use of water/water-agents on class D fires will cause the fire
A
To react violently
16
Q
Class D fire extinguishing agents are not given a rating but when they are deemed safe the manufactures
A
Include the application instructions on the faceplate of the extinguisher
17
Q
Method of extinguishing that excludes oxygen from the burning process
A
Smothering
18
Q
Smothering extinguishing agents will not work on
A
Materials that contain their own oxidizing agents
19
Q
Wet chemical systems are used to extinguish
A
Class K fire
20
Q
Method to extinguish fire that forms an oxygen-excluding soapy foam surface
A
Saponification
21
Q
Interrupts the chemical chain reaction in the burning process to extinguish fire
A
Chemical flame inhibition
22
Q
Portable extinguisher that requires the operator to physically apply pressure to a pump that increases pressure within the container forcing agent out of the nozzle
A
Manual pump
23
Q
Pump-type water extinguishers are primarily used on
A
Ground cover fires or small Class A fires
24
Q
Stored-pressure water extinguishers are useful on
A
all types of Class A fires and hot spots during overhaul
25
Class A extinguisher safe to use on energized electrical equipment
Stored-pressure water-mist extinguishers
26
Fire extinguishers that contain a special potassium-based, low pH agent formulated to operate on saponification
Stored-pressure wet chemical
27
Useful in combating fires or suppressing vapors from small liquid fuel spills
Aqueous film forming foam (AFFF)
28
In AFFF extibguisher ____________ aerates the foam solution, producing better quality foam than a standard extinguisher
Air-aspirating foam nozzle
29
How to avoid disturbing the foam blanket when applying foam
Allow it to rain down gently onto the fuel surface or deflect off an object
30
Agents that are non-conductive and can extinguish electrical equipment fire
Clean agents
31
Carbon dioxide fire extinguishers work by
Displaces available oxygen and smothers the fire
32
The application of dry chemicals may result in
A cloud of airborne particulates
33
Two types of hand-held dry chemical extiguishers
Cartridge-operated and stored-pressure
34
Type of fire that requires special dry powder
Class D
35
When selecting a fire extinguisher you should consider
The classification of the burning fuel
Hazards to be protected against
36
In fires in electronics or computer equipment you should select ___________ to fight fires in highly sensitive computer equipment
Clean agent to carbon dioxide extinguishers
37
When inspecting a fire exiguisher you should check
Pressure gauge
Hose/nozzle
Weight
38
Aim your Fiore extinguisher at
The base of the fire
39
If extinguishment is not achieved after an entire extinguisher has been discharged you should
Withdraw and reasses
40
How to show that a fire extinguisher is empty
Lay it on its side
41
Upon arriving at a scene the IC should
Establish command and communication
Perform a 360
42
Essential parts to effective tactical operations and firefighter safety
Reading the fire and understanding effects in ventilation
43
The movement of air toward burning fuel and movement of smoke out of the compartment
Air and smoke flow
44
Indicators of air flow include
Velocity, turbulence, direction and movement of the neutral plane
45
Information gathered during reports is used for
Determining trends in fire cause
46
En route to an incident firefighters should consider
Weather conditions and effects of fire behavior
47
What dicatates whether a fire is attacked offensively or defensively
If risking the lives of firefighters will have a positive outcome, such as saving the lives of victims inside
48
Why would an IC order a transitional attack
To cool the interior before attempting to rescue victims
49
Defensive attacked is order when
Firefighters lives would be unnecessarily endangers
Occupants are not savable
Structural members are burning as part of the fuel load
50
Intend to attack the fire directly and/or conduct a search
Offensive
51
Most important variable when choosing a Hoseline is
Flow rate, gpm
52
the initial attack line should provide a minimum flow of
100 gpm from the nozzle
53
The appliance useful when one attack line has been laid, but two are needed to implement a plan
Wye appliance
54
The back up line should
At least the same size and provide the same water flow as the attack Hoseline
55
Best choice of nozzle for an interior attack
Fog nozzle
56
Interior attack crews carry tools needed to
Open interior doors, check concealed spaces for fire extension or make an emergency exit
57
Fast moving air in at the bottom and smoke moving out at the top indicated
An active structure fire
58
If firefighters observe fast air moving in and smoke moving out they should
Apply water to the hot gas layers and observe changes to conditions or fire behavior
59
Appliance useful when a smaller line is needed but a larger line is still in service
Water thief
60
Alarm assignment
Number and type of units that respond to each alarm
61
Fire attack must be coordinated with
Ventilation
Forcible entry
Search and rescue a
Control of utilities
62
If you discover victims during an interior fire attack you should
Communicate to your IC
63
To maintain a safe working environment in electrical emergencies
Establish an exclusion zone equal to 1.5 times the distance between power poles in all directions away from downed power lines
64
A class C fire extinguisher should be used
In smaller electrical fires - computer equipment
65
If you find yourself in a gradient field or feel tingling in you legs you should
Place your feet close together and hop or shuffle until you are out of the danger zone
66
The size ad location of a fire may be indicated by
Visible flames
67
If downed power lines cause a ground cover fire
You should wait for the fire to burn away from the point of contact before extinguishing it
68
Information included in a post incident report
Number of personnel and apparatus that responded
69
The purpose of the NFIRS?
Collect data for analysis to help prevent future fires
70
When should spark plugs be replaced
Signs of arcing, presence of soot
71
Who should perform repair work on a generator
Qualified service personnel
72
A power plant/generator will overheat and damage if
It is run for a long period os time without a load
73
When should you inspect power tools
At the beginning of each shift
74
Detailed maintenance and modification of lighting equipment is. Performed by
Qualified technicians
75
When are service tests performed on a hose
Annually, after repairs, or after a vehicle has run over it
76
Test lengths of hose should not exceed
300 ft
77
Potentially danergous because it has a tendency to whip back and forth if it ruptures
Pressurized hose
78
Indicators for removal of service for a hose
Leaks
Ruptures
Loose couplings
Couplings loosening from the hose
79
Used to prevent pressurized hose from dangerously whipping back and forth
Hose test gate valve
80
Why should the test length of hose not exceed 300ft
It is difficult to purge air
81
Fire and life safety programs provide
Mentoring, fire prevention, community education, health awareness and disaster preparedness
82
Private dwelling fire safety surveys can be performed
On a voluntary basis to determine the extent to which community members implement fire and life safety
83
Hoarding, open burning, improper use of electricity are examples of
Unsafe behaviors
84
Frayed wires, overloaded outlets, loose handrails are examples of
Unsafe conditions
85
Fire and life safety surveys should be documents every time in case the documentation is
Needed as evidence should there be a fire at a particular residence
86
What information can firefighters gain during home safety surveys
Home construction, presence of security grilles/gates, occupancy conditions, location of fire hydrants, trends in housing developments
87
Primary focus of a fire and life safety presentation
To provide effective and appropriate information of risk-reduction issues and strategies
88
A characteristic of good presentations is
Audience centered
89
Contains the electronics that control and monitor the fire alarm system
Fire alarm control panel (FACP)
90
Initiating device that may be manually operated
Pull station
91
Sense the presence of products of combustion of other hazardous conditions
Automatic devices
92
Visible products of combustion detectors
Photoelectric smoke detectors
93
Detect the particles and aerosols produced during combustion that are too small to see from the naked eye
Ionized smoke detectors
94
Device that detects light in ultraviolet and infrared spectrums
Flame detectors
95
Sprinkler system component that is vertical piping to which the sprinkler valve, FDC are attacked
Riser
96
Internal pressure increases until the bulb shatters at the proper temperature, the valve cap is release and water is allowed to flow
Frangible bulb
97
Mounted in a ceiling with the body of the sprinkler, including the threaded shank, above the plane of the ceiling
Flush
98
Sprinkler system that includes a hollow metal post that houses the valve stem and move le plate with the words OPEN or SHUT on it
PIV
99
Sprinkler system than contains water under pressure in the piping and is used in locations where temperatures remain above 40F
Wet-pipe
100
Sprinkler system where there is no water in the distribution piping before system activation. All sprinklers are open all the time
Deluge
101
Aircraft hangar will typically install what kind of sprinkler system
Deluge
102
Type of sprinkler system used when it is vital to prevent water damage
Pre action sprinkler system
103
During overhaul _________ can reduce the amount of hose needed to reach sprinklered areas
Horizontal standpipe s
104
Standpipe system designed to be used by fire suppression personnel trained in larger hose lines
Class 1
105
Type or sprinkler mechanism that activated the sprinkler after the solder inside melts and release the valve cap
Chemical pellet
106
Type of standpipe system containing air under pressure in the pipes, but admits water to the piping when a hose valve is opened
Automatic dry
107
Type of system that does not have a permanent water supply. It is designed to have water only when the system is being supplied by the FDC
Manual dry
108
Used in large spaces where smoke migration from the fire zone is limited by an opposed airflow. High velocity air aimed at the area of fire origin keeps the smoke from migrating into unaffected areas
Opposed air flow method
109
Removal of load-bearing interior walls and installing HVAC equipment on a roof are examples of
Unapproved and hazardous modifications
110
NFPA for uniform fire safety symbols to improve communication wherever signs and symbols are sued to provide fire safety information
NFPA 170
