154 terms

Firefighter Exam Prep. FF1/FF2/Hazmat IFSTA 6th. edition

STUDY
PLAY
When utilizing the skip-breathing technique, how long should each breath take?
A. 10 seconds
B. 8 seconds
C. 5 seconds
D. 12 seconds
C. 5 seconds
While inside the immediately dangerous to life and health (IDLH) atmosphere, the technique of buddy breathing is:
A. considered unreliable by the Nation Fire Protection Association (NFPA) and the National Institute on Occupation Safety and Health (NIOSH)
B. acceptable and should be implemented immediately
C. required to be initiated by the Rapid Intervention Crew
D. unsafe unless performed by trained personnel.
A. considered unreliable by the National Fire Protection Agency (NFPA) and the National Institute on Occupational Safety and Health (NIOSH).
What is a component of an open-circuit breathing apparatus?
A. buddy breathing connectors
B. face piece
C. high-pressure alarm
D. oxygen Cylinder
B. face piece
What is one example of a hand-powered hydraulic spreader tool?
A. spanner tool
B. pompier tool
C. rabbet tool
D. come along tool
C. rabbet tool
The body of a ____ is surface-mounted on the inside of the door.
A. mortise lock
B. rim lock
C. cylindrical lock
D. padlock
B. rim lock
Under ideal conditions, the proper place to stand when breaking window glass is ______ the window.
A. directly in front of
B. to the windward side of
C. to the leeward side of
D. to either side, slightly lower than
B. to the windward side of
Which statement regarding the K tool is correct?
A. the front of the tool is shaped like the letter K and slides over the lock cylinder
B. the K tool is designed to cut lock cylinders in order to open the lock.
C. the back of the tool is shaped like the letter K and slides over the lock cylinder.
D. the front of the tool has a block for striking with a flat-head axe.
C. The back of the tool is shaped like the letter K and slides over the lock cylinder.
Which portion of a Halligan tool has three areas designed as striking surfaces?
A. hook point
B. Adz
C. Fork
D. Pick
B. Adz
Which is the most common lock in use?
A. cylindrical
B. pad locks
C. Rim locks
D. deadbolt
A. cylindrical
Fire doors are operated:
A. manually, mechanically, electrically
B. electrically, hydraulically, battery supplied
C. by portable or fixed power units
D. by manual or electrical power
A. manually, mechanically, electrically
A K-Tool is correctly positioned when the blades bite into the:
A. cylinder
B. outer rim
C. face
D. keeper
A. cylinder
A _____ tool provides a mechanical advantage in forcing locks, opening doors, and forcing windows.
A. cutting
B. striking
C. power
D. prying
D. prying
The least desirable point to force entry into a structure is:
A. a check rail window
B. a swinging door
C. plate glass
D. a revolving door
D. a revolving door
When caring for the axe head, remember to:
A. paint the axe head at least annually
B. sand the blade thin to increase the sharpness
C. make sure the blade is sharp
D. maintain the axe head as it will void the manufacturer's warranty
C. make sure the blade is sharp
Overhead doors are classified as:
A. sliding, folding, telescoping
B. glide, roll-up, folding
C. sectional, tilt-slab, roll-up
D. sectional, sliding, rolling
C. sectional, tilt-slab, roll-up
Which is true regarding smoke?
A. compete combustion results in dark black smoke
B. the lighter the smoke, the more fuel it contains
C. the color of smoke does not indicate fuel content
D. The denser the smoke, the more fuel it contains
D. The denser the smoke, the more fuel it contains
A firefighter who is lost in a structure and finds a firehose should remember:
A. the male coupling indicates the direction to the exit
B. the female coupling indicates the direction of exit
C. to find the closest wall
D. to immediately issue a personnel accountability report and then try to attempt a rescue
A. the male coupling indicates the direction to the exit
When an extension ladder can be raised more than ____ feet, it must be equipped with staypoles/tormentor.
A. 34
B. 32
C. 40
D. 50
C. 40
The transfer of heat by the movement of gases or liquid is known as:
A. conduction
B. convection
C. radiation
D. direct-flame contact
B. convection
A class A fire is fueled by:
A. electricity
B. ordinary combustible materials
C. liquids
D. gases
B. ordinary combustible materials
The chemical reaction between two or more materials that changes the materials and produces heat, flames, and toxic smoke is:
A. endothermic heat reaction
B. exothermic heat reaction
C. pyrolysis
D chemical free radicals
B. exothermic heat reaction
Vapor pressure is:
A. the mass per unit volume of a substance under specified conditions of pressure and temperature
B. a process in which liquids or gases mix with one another
C. the measure of the tendency of a substance to evaporate
D. a concentration of a gas or liquid that is not too rich to ignite.
C. the measure of the tendency of a substance to evaporate
The fire triangle is composed of:
A. heat, chemical reaction, fuel
B. heat, fuel and oxygen
C. oxygen, nitrogen, fuel
D. fuel, oxygen, lower explosive limit
B. heat, fuel and oxygen
When a window is opened for the purpose of ventilation:
A. screens may be left in place
B. curtains or drapes may be left in place
C. screens must be removed
D. it signifies that search and rescue has been accomplished
C. screens must be removed
At room temperature, combustion is supported at oxygen concentrations as low as_____ percent.
A. 5-7
B. 10-12
C. 14-16
D. 18-20
C. 14-16
In the fire tetrahedron, what is the reducing agent?
A. fuel
B. heat
C. oxygen
D. chemical chain reaction
A. fuel
In compartment fires, the ____ of the fuel in relation to the walls determines the amount of air that is entrained.
A. ignition
B. location
C. quantity
D. type
B. location
A parapet wall is best described as
A. exterior wall extending above the roof line
B. fire resistant
C. attached to the building by its floors or columns
D. supports its own weight and the weight of the walls floors above it.
A. exterior wall extending above the roof line
A type of wood framing that has vertical channels going from floor to floor, allowing a fire to travel uninterrupted is a _____ frame.
A. platform
B. open
C. balloon
D. box
C. balloon
A chord is:
A. a beam or joist
B. the main member of a truss the top or bottom structural element
C. a framing member that supports floor or roof decking
D. A large structural member used to support beams or joists
B. the main member of a truss, the top or bottom structural element
Which most accurately describes a Kerf cut?
A. a small opening that will be enlarged once the rafters are located.
B. a single cut the width of the saw blade made in a roof to check for fire extension
C. sometimes called a center rafter cut
D. a rectangular exit opening cut in a roof, allowing a section of roof deck to be tilted
B. a single cut the width of the saw blade made in a roof to check for fire extension
Which describes a horizontal member between arches that supports a type of trussless arched roof?
A. Purlin
B. parapet
C. lamella
D. bowstring
A. purlin
Which describes an opening sometimes cut in a roof between a trench cut and the fire?
A. kerf cut
B. heat hole
C. louver cut
D. inspection cut
D. inspection cut
What is another name for a Lamella arched roof?
A. bowstring truss arched roof
B. buttressed arched roof
C. parapet arched roof
D. diagonal grid
D. diagonal grid
One application that uses engineered wood instead of solid lumber is:
A. short, straight beams
B. trusses
C. stair tread risers
D. stair treads
B. trusses
V patterns are most often used to identify:
A. the type of material that burned
B. The location of an object that burned
C. the direction of fire spread
D. arson fires
B. the location of an object that burned
Dump site selection should be based on:
A. access to hydrants
B. turn-around area for the tenders
C. the size of available mains
D. the location of the fill site
B. turn-around area for the tenders
Tankers/Tenders are primarily used to transport water to the scene and have a capacity of:
A. 500 gallons
B. 750 gallons
C. 300 gallons
D. 1,00 gallons or more
D. 1,000 gallons or more
In general, the largest diameter pipes in a distribution system are the:
A. branch lines
B. primary feeder lines
C. secondary feeder lines
D. distribution lines
B. Primary feeder Lines
The recommended minimum pressure for water coming from a fire hydrant is:
A. 115 psi.
B. 80 psi.
C. 50 psi.
D 20 psi.
D. 20 psi
Which is an advantage of power inverters?
A. operate on diesel or gasoline
B. fuel efficiency
C. provide large amounts of electrical power
D. good mobility
B. fuel efficiency
Which statement regarding portable scene lighting is true?
A. they generally range from 300-1500 watts
B. they generally range from 100-250 watts
C. they are located on mechanically operated light towers
D. they have their own power generator built in
A. they generally range from 300-1500 watts
Ground ladders should be tested:
A. monthly
B. quarterly
C. semi-annually
D. annually
D. annually
The hose load finish that is designed to have the last section of hose loosely laid across the hose bed is the:
A. straight finish
B. reverse horseshoe finish
C. skid load finish
D. minuteman finish
A. straight finish
Which is an advantage of the accordion load?
A. hose for shoulder carries can easily be taken from the load
B. hose loaded in this manner is less subject to wear from apparatus vibration.
C. hose loaded in this manner has fewer sharp bends than other loads
D. it is the best way to load large-diameter hose
A. hose for shoulder carries can easily be taken from this load
The development and implementation of a plan that incorporates specific goals to bring a fire under control is called a:
A. tactic
B. goal
C. strategy
D. coordinated attack
C. strategy
The difference between strike teams and task forces is:
A. strike teams are multijurisdictional, while task forces are from one jurisdiction
B. task forces are multijurisdictional, while strike teams are from one jurisdiction
C. Task forces are of a similar kind and type, while strike teams are any combination of single resources
D. strike teams are of a similar kind and type, while task forces are any combination of single resources
D. strike teams are of a similar kind and type, while task forces are any combination of single resources
First arriving companies broadcast _____ reports to incoming units
A. arrival
B. urgent
C. status
D. select
A. arrival
When operating on a digital radio system, end users should expect:
A. a minor time delay between transmitting and receiving
B. overlapping transmissions bleeding into one another
C. an increase in the amount of static or interference
D. the need for vehicle-mounted repeaters
A. a minor time delay between transmitting and receiving
A trunked digital radio system allows:
A. only one agency on the system
B. different agencies on different systems
C. different agencies on the same system
D. less users to communicate
C. different agencies on the same system
The process of utilizing a series of radio frequencies among multiple users rather than assigning single frequencies to each other is referred to as:
A. duplexing
B. encoding
C. transceiving
D. trunking
D. trunking
Ultra-high frequencies (UHF) operate in the ________ bandwidth.
A. 33 MHz- 45MHz
B. 150 MHz-174 MHZ
C. 450 MHz- 460 MHz
D. 800 MHz-900 MHz
C. 450 MHz- 460 MHz
What is the configuration when a fire department switches from a duplex channel to a simplex channel for on-scene communications called?
A. a talk-around channel
B. a repeater system
C. an on-scene communication switch
D. a trunking system
A. a talk-around channel
A poisonous gas with the odor of almonds is:
A. sulphur dioxide
B. hydrogen cyanide
C. propane
D. chlorine
B. hydrogen cyanide
The three crucial fireground operations that must go hand in hand to keep the operation as safe as possible are:
A. fire attack, search and rescue, and ventilation
B. command, operations, and planning
C. overhaul, salvage, and ventilation
D. direct, indirect, and combination attacks
A. fire attack, search and rescue, and ventilation
When forcing entry through a locked wood checkrail/double-hung window, the pry should be made at the:
A. center of the upper sash
B. center of the lower stash
C. the side of the upper sash
D. top of lower sash
B. center of the lower sash
It is recommended that tempered plate glass should be shattered by striking:
A. in the center with a blunt object
B. at the lowest corner with the pick end of a fire axe
C. with a flat-headed axe with hands above the head
D. with a flat-headed axe at the highest corner
B. at the lowest corner with the pick end of a fire axe
Type V construction is:
A. fire resistive
B. Wood frame
C. all masonry
D. masonry and synthetics
B. wood frame
Older heat detectors lack what feature that makes it difficult to track down the cause of an alarm?
A. color-coding of their activation thresholds
B. wide spaced combs
C. visual triggers that tell which device was activated
D. narrow spaced combs
C. visual triggers that tell which device was activated
When ordered to, the firefighter can shut down the sprinkler system by:
A. closing the indicating valve on each branch line
B. closing the main control valve
C. shutting down and removing hoses connected to the fire department connection
D. resetting the alarm check valve
B. closing the main control valve
The flow of water from an individual sprinkler head can be controlled by using:
A. the main system control valve only
B. sprinkler wedges or tongs
C. the valve required at each branch line
D. individual controls
B. sprinkler wedges or tongs
What must be done to stop the flow of water to all sprinklers?
A. crimp the piping in the riser
B. close the fire department connection outside
C. close the sprinkler control valve
D. deactivate the water flow alarm
C. close the sprinkler control valve
Which statement regarding dry/drafting hydrants is correct?
A. they are used primarily in high-hazard areas
B. they are a pipe system with a pumper suction connection at one end and an open pipe at the other
C. dry hydrant is another term for dry barrel hydrant
D. they are a conncection point for standpipe operations
B. they are a pipe system with a pumper suction connection at one end and an open pipe at the other
Which statement regarding dead-end water mains is correct?
A. Dead-end mains are usually found in the central grid of a municipal system.
B. Dead-end mains supply water from only one direction, but at a higher pressure
C. Dead-end mains provide the most volume in the system
D. Hydrants on a dead-end water main will have a limited water supply
D. Hydrants on a dead-end water main will have a limited water supply
Soft suction hosed is used for:
A. transferring water from a hydrant to an apparatus
B. primarily drafting water from a static source
C. siphoning water from one portable tank to another
D. transferring water from pump to tank
A. transferring water from a hydrant to an apparatus
Which statement regarding wet barrel and dry barrel hydrants is correct?
A. deluge hydrants are used in areas where freezing temperatures could damage the hydrant
B. modern wet barrel hydrants have one main outlet
C. Dry barrel hydrants use a valve at the base to control water flow to all outlets
D. wet barrel hydrants are commonly used in the norther parts of the united states
C. Dry barrel hydrants use a valve at the base to control water flow to all outlets
Every sprinkler system should have a primary water supply of adequate reliability, volume, and:
A. capacity
B. size
C. quality
D. pressure
D. pressure
A fire hazard that arises from processes or operations that are related to a specific occupancy best defines a(n) ______hazard.
A. special
B. common
C. expected
D. target
A. special
Which statement is true regarding steel as used for structural support in construction?
A. steel will not begin to fail until it reaches temperatures of over 2000 degrees F.
B. steel will always buckle in the middle before it fails
C. steel may begin to fail at 1000 degrees F.
D. steel trusses will last longer than wood trusses under fire conditions.
C. steel may begin to fail at 1000 degrees F.
Transfer of command:
A. must always occur when an individual with a higher authority arrives on scene.
B. is not necessary on mutual aid incidents
C. requires that the chief officer assumes command upon arrival.
D. must include a situation status report to the relieving fire officer.
D. must include a situation status report to the relieving fire officer.
In fire departments that have access to multiple radio channels, emergency operations should be:
A. continued on primary frequency only
B. run by cell phone so the radio is not tied up
C. assigned a separate channel dedicated for use on that scene only
D. transferred to another agency
C. assigned a separate channel dedicated for use on that scene only
Transfer of command is best accomplished:
A. by radio
B. face to face
C. by cell phone
D. early on in the incident
B. face to face
A situation/ status progress report is provided upon:
A. termination of the incident
B. arrival
C. transfer of command
D. setup of the staging area
C. transfer of command
Situation status/progress reports should be made ten minutes into the incident and at ______ minute intervals thereafter until the incident is under control.
A. 5-10
B. 25-30
C. 10-20
D. exactly 30
C. 10-20
A procedure is a(n):
A. guide to thinking
B. detailed guide to action
C. guide to decision making
D. interpretation
B. detailed guide to action
Policies are examples of standing plans designed to provide:
A. staffing requirement guidelines
B. guidance for decision making
C. problem-solving
D. communications
B. guidance for decision making
The arrival report should contain:
A. a situation evaluation
B. the staging location
C. the location of the cold zone
D. the type of nozzle to be deployed
A. a situation evaluation
Depth of char is:
A. related to the intensity of the fire at a particular location
B. a reliable indicator of the fire's point of origin
C. always linked to the use of an accelerant in starting the fire
D. conclusive evidence of arson
A. related to the intensity of the fire at a particular location
A riser is a _____ pipe that supplies a sprinkler system.
A. lateral
B. horizontal
C. diagonal
D. vertical
D. vertical
A post indicator valve (PIV) is:
A. a device to speed the operation of the dry pipe valve by detecting the decrease in air pressure
B. designed to control the head pressure at the outlet of a standpipe system
C. a control valve that is mounted on a vertical case
D. a control valve that is mounted on a wall
C. a control valve that is mounted on a vertical case
An OS&Y valve is open when the stem threads are:
A. retracted
B. extended
C. reversed
D. crossed
B. extended
Which sprinkler system components is used to limit water flow to one direction?
A. OS&Y valve
B. clapper/check valve
C. control valve
D. butterfly valve
B. clapper/check valve
Which is a component of a grid system?
A. mainlines
B. secondary feeders
C. loop
D. risers
B. secondary feeders
Failure to open a dry-barrel hydrant fully will result in a reduced amount of available water and will contribute to:
A. sedimentation
B. susceptibility to freezing
C. difficulty in draining the main
D. ground erosion
D. ground erosion
Visible products of combustion are best detected by a(n) _____detector.
A. photoelectric
B. ionization
C. ultraviolet
D. infrared
A. photoelectric
Which sprinkler system component is used as an alternative to locking a main control valve in the open position?
A. tamper switch
B. check valve
C. fire department connection
D. alarm valve
A. tamper switch
The control valve for a sprinkler system may be located at the system or outside the building. This valve should be a(n) ______ valve.
A. check
B. indicating-type
C. inspector's test
D. quarter-turn
B. indicating-type
Fixed-temperature heat detectors:
A. cannot be used as part of a suppression system
B. are slow to activate
C. are expensive to install and operate
D. are responsible for most false alarms
B. are slow to activate
Which statement regarding a Class I standpipe system is correct?
A. the system uses 3 in. outlets
B. it is designed for use by untrained building occupants
C. it is designed for use by the fire department
D. a single standpipe should flow a minimum of 500 gpm
C. it is designed for use by the fire department
The backflow preventer or clapper valve:
A. prevents water from entering the system
B. prevents water from reentering the public water supply
C. prevents water from entering noninvolved areas
D. protects the system from water surges
B. prevents water from reentering the public water supply
Which statement regarding residential sprinklers is correct?
A. they are smaller versions of wet or dry-pipe sprinkler systems.
B. the water supply can be connected to the domestic system.
C. the use of steel pipe is required.
D. they are designed to control the level of fire involvement after a flashover has occurred.
B. the water supply can be connected to the domestic system.
The type of hose testing conducted by the fire department is called:
A. acceptance
B. pressure
C. service
D. fire ground
C. service
When filling a hoseline with water for testing, a pump pressure of approximately ________ psi is maintained.
A. 25-30
B. 50
C. 80-90
D. 250
B. 50
After the proper test pressure for fire hose has been reached, the pressure should be maintained for a period of:
A. ten minutes
B. one to three minutes
C. three to five minutes
D. twenty minutes
C. three to five minutes
Fires involving pressurized flammable liquids and gases should:
A. always be extinguished
B. not be extinguished unless the fuel can be immediately shut off.
C. not be extinguished by firefighters; trained specialists should be called for these fires
D. not be extinguished unless the product involved has a vapor density greater than one.
B. not be extinguished unless the fuel can be immediately shut off.
For incidents involving a break in a natural gas line, firefighters should:
A. evacuate the area upwind from it
B. eliminate ignition sources in the area
C. extinguish any flames coming from the line
D. shut down the main valve to stop the leak
B. eliminate ignition sources in the area
One cubic foot of liquid propane will convert into ________ cubic feet of gas when it is released into the atmosphere.
A. 270
B. 1700
C. 8.33
D. 1200
A. 270
Propane has a vapor density of approximately:
A. 0.15
B. 1.5
C. 0.6
D. 2.6
B. 1.5
Propane is approximately ________ than air.
A. 1.5 times lighter
B. 2 times lighter
C. 1.5 times heavier
D. .5 times heavier
C. 1.5 times heavier
A DOT MC-331 tanker that is cylindrically shaped and painted white is probably carrying:
A. compressed natural gas
B. Liquefied petroleum gas
C. gasoline
D. jet fuel
B. liquefied petroleum gas
The tanker that is about 40 ft. in length, aluminum, cylindrically shaped MC-306 that can carry approximately 9,000 gallons is probably carrying:
A. compressed natural gas
B. liquefied petroleum gas
C. gasoline
D. jet fuel
C. gasoline
A dangerous cargo manifest may be located in the:
A. cab of the vehicle
B. cargo hold
C. cockpit
D. wheel house or bridge
D. Wheel house or bridge
A carboy may be used for transporting materials containing:
A. radioactive substances
B. corrosives
C. explosives
D. poison gases
B. corrosives
Telecommunication Device and Teletype are:
A. location finders on so-called smart, enhanced 9-1-1
B. routers that allow calling the 9-1-1 system in another city
C. devices to help hearing-impaired people use telephones
D. chips that go into PDA's and PC's respectively to allow them to call 9-1-1.
C. devices to help hearing-impaired people use telephones
Over the last two decades, an average of more than _____ U.S. firefighters die each year in the line of duty.
A.150
B. 100
C. 300
D. 200
B.100
When attacking a vehicle fire, you should:
A. extinguish fire inside first
B. approach from the side at a 45 degree angle
C. approach upwind and downhill
D.Approach downwind and uphill
B. approach from the side at a 45 degree angle
A 50 foot steel beam will elongate as much as ____ inches when heated from room temperature to about _____degrees Fahrenheit.
A. 2, 400
B. 9, 100
C. 6, 1200
D.8, 1400
B. 9, 100
Rollover occurs when:
A. there is spontaneous ignition of combustible gases
B. everything in a confined area ignites at almost the same time
C. unburned smoke is heated in the absence of oxygen.
D. pressurized smoke rises to the ceiling and begins to rapidly bank down
A. there is spontaneous ignition of combustible gases
The chemical reaction between two or more materials that changes the materials and produces heat, flames, and toxic smoke is:
A. endothermic heat reaction
B. exothermic heat reaction
C. pyrolyis
D. chemical free radicals
B. exothermic heat reaction
Which statement regarding trench cuts is correct?
A. the trench cut is an offensive action
B. the trench cut promotes vertical air flow
C. trench cuts require little effort and time to achieve
D. to be effective, trench cuts should be made at the longest length of the structure.
B. the trench cut promotes vertical air flow
Which way does the wheel on an OS&Y valve turn to close the valve?
A. it depends whether the system is on city or private water system
B. counterclockwise
C. it depends on the valve color
D. clockwise
D. clockwise
One of the most common hazards of salvage work is:
A. hot spots
B. steam burns
C.ceiling collapse
D. heat exhaustion
C.ceiling collapse
According to the National Fire Protection Association (NFPA) 291 standard, a fire hydrant color-coded green will flow:
A. 1500 gallons per minute (GPM) or greater
B. 1000-1499 gpm
C. 500-999 gpm
D. less than 500 gpm
B. 1000-1499 gpm
Pump tank extinguishers are used to apply:
A. water
B. wet chemical
C. dry chemical
D. carbon dioxide
A. water
For an area to qualify as a light hazard, the majority of materials must meet one of two requirements. One of those is that they must:
A. be necessary for the work of the area
B. be Underwriters Laboratories (UL) listed
C. have ignition temperatures in excess of 451 F
D. be noncombustible
D. be noncombustible
In what groups or types are wildfire fuels generally classified?
A. ground, subsurface, and surface
B. surface, intermediate, and crown
C. ground, subsurface, and crown
D. subsurface, surface and aerial
D. subsurface, surface and aerial
How high up do fuels have to be in order to be considered aerial fuels?
A. more than twenty-five feet
B. more than twelve feet
C. more than six feet
D. more than two feet
C. more than six feet
An in-line eductor should be positioned less than ____ above the liquid surface of the foam concentrate in the container.
A. 18 in.
B. 2 ft.
C. 5 ft.
D. 6.ft
D. 6 ft.
Where should rescuers begin their cuts on a windshield?
A. bottom, center
B. middle passenger side
C. Middle driver side
D. Top, center
D. Top, center
Select the best description of fire codes from the choices below.
A. a set of suggestions based on science
B. findings from fire statistics research
C. regulations that have been legally adopted by a government body with the authority to pass laws and enforce safety regulations.
D. previously adopted building codes
C. regulations that have been legally adopted by a government body with the authority to pass laws and enforce safety regulations.
Fire department sprinkler connections typically consist of a siamese with at least two ____ connections.
A. 3-inch male
B. 2.5-inch male
C. 3-inch male
D. 2.5-inch female
D. 2.5-inch female
Heat stress is associated with:
A. hot,dry, red skin
B. a state of unconsciousness
C. cool, moist skin
D. muscle cramps in legs and abdomen
D. muscle cramps in legs and abdomen
The physical destruction or decomposition of chemical protective clothing by a chemical action is called:
A. degradation
B. breakthrough time
C. penetration
D. permeation
A. degradation
Chemical permeation rates are a result of:
A. temperature, thickness, previous exposures and chemical combinations
B. strength, flexibility, current exposure, and ambient temperature
C. temperature, chemical mixtures, and corrosiveness
D. chemical resistance, thickness, decontamination, and time
B. strength, flexibility, current exposure, and ambient temperature
Caustic sodium hydroxide and potassium hydroxide are examples of:
A. polymers
B. catalyst
C. acids
D. bases
D. bases
The most effective means of forcing a lexan window is by using a(n):
A. flat-head axe
B. oxyacetylene torch
C. rotary saw equipped with a carbide-tipped blade
D. reciprocating saw
C. rotary saw equipped with a carbide-tipped blade
Concealed spaces can be created when a second roof is constructed over an older roof. The second roof is called a:
A. support roof
B. rain roof
C. secondary roof
D. trial roof
B. rain roof
A definition of ____ when trapped moisture in concrete is heated to steam and expands causing parts of the concrete to break away.
A. delamination
B. depolymerization
C. spalling
D. stressing
C. spalling
What should be expected in Type I construction?
A. difficult to ventilate
B. structural members have little or no fire resistance
C. roofs are extremely difficult to penetrate
D. timbers provide for structural stability
C. roofs are extremely difficult to penetrate
The proper type of extinguisher for a fire involving magnesium, titanium, or sodium is:
A. dry chemical
B. CO2
C. dry powder
D. water
C. dry powder
_____ is the total quantity of all combustible materials in a given area.
A. thermal property
B. fire/ fuel load
C. heat loading
D. content capability
B. fire/ fuel load
The term for the open space between the ceiling of the top floor and the underside of the roof of a building is the:
A. roof chase
B. cockloft
C. head space
D. mantle
B. cockloft
When attacking a fire in the passenger area, you should pay special attention to:
A. the fire stream to maintain a tight pattern
B. fires in the engine or trunk first
C. using a prying tool to break the windows
D. cooling areas that contain supplemental restraints
D. cooling areas that contain supplemental restraints
When performing search and rescue, you should:
A. have at least three rings to attach and extend the original search line
B. use a one inch kernmantle search rope of at least 100 feet.
C. use search rope devices for all structures over 1,000 square feet only
D. know that implementing a search line system requires a team of three or more firefighters
D. know that implementing a search line system requires a team of three or more firefighters
A suppression action taken by a firefighter around the perimeter of a wildland fire is called:
A. black line
B. direct attack
C. cold fire edging
D. water curtain
B. direct attack
The two primary types of dangerous conditions that may be posed by a particular building are conditions that contribute to the spread of fire and:
A. conditions that make the building susceptible to collapse
B. conditions that allow firefighters to become lost or disoriented
C. amount of fire loading inside the structure
D. access and egress to the structure
A. conditions that make the building susceptible to collapse
The main difference between Types I and II construction is that:
A. the occupants in Type I construction are the main hazard.
B. Type I is more prone to building collapse
C. roofs in Type II construction are more stable.
D. structural components n Type II construction lack insulation and protection.
D. structural components n Type II construction lack insulation and protection.
The location where emergency 9-1-1 calls are routed is referred to as a:
A. public safety answering point
B. communication action center
C. emergency collection point
D. automatic location identification
A. public safety answering point
A(n) ______ detector is one that responds to sudden changes in temperature.
A. disk thermostat
B. photoelectric
C. ionization
D. rate of rise
D. rate of rise
The basic types of lifting bags are:
A. high, medium, and low pressure
B. lift, squeeze and patch bags
C. large, medium and small bags
D. air, oxygen, and hydraulic pressure
A. high, medium, and low pressure
Which release mechanism is commonly used to activate a sprinkler?
A. roller links
B. valve cap
C. chemical bulb
D. chemical pellet
D. chemical pellet
The required air pressure for dry-pipe systems above trip pressure is _____ psi.
A. 5
B. 10
C. 15
D. 20
D. 20
For a gravity system to work, the primary water supply must be at least ____ feet above the highest point in the water distribution system.
A. 50
B. 100
C. 150
D.300
B.100
When extricating a patient from a motor vehicle crash, disassemble refers to:
A. displacement of major parts
B. cutting off of components
C.bending of sheet metal or components
D. actual taking apart of the vehicle components
D. actual taking apart of the vehicle components
As a general guideline, you should cordon off_____ feet around the trench during rescue operations
A. 25
B. 50
C. 75
D. 100
D.100
A detection device that is usually electrically operated with a bimetallic strip of two metals that expand at different rates is a(n):
A. carbon monoxide detector.
B. ionization smoke detector
C. photoelectric smoke detector
D. heat detector
D. heat detector
While assisting with a water rescue it is recommended that all firefighters operating within ____ of the water's edge wear a coast guard approved personal flotation device.
A. 10 feet
B. 15 feet
C. 20 feet
D. 25 feet
A. 10 feet
What are butt spurs on a ladder?
A. Protrusions that attach the hose strap to the ladder
B. The teeth of the cam system that extends the fly sections
C. Bumps and dents on the foot pad
D. Spikes on the base that keep it from slipping
D. Spikes on the base that keep it from slipping
The dogs of an extension ladder serve to:
A. prevent the fly section from being over-extended
B. hold the fly section in place
C. raise the fly section
D. guide the fly section
B. hold the fly section in place
Concrete has excellent ______ strength when it cures.
A. shear
B. compressive
C. torsional
D. tensile
B. compressive
______ construction is often used in mill construction.
A. Frame
B. ordinary
C. heavy timber
D. noncombustible
C. heavy timber
Which statement best describes Type I construction?
A. structural members are noncombustible and have little or no fire resistance
B. structural members are comprised of massive wood columns and beams
C. most of the entire structure is made of combustible products
D. structural members are protected from fire's heat to prevent loss of integrity
D. structural members are protected from fire's heat to prevent loss of integrity
When exposed to intense heat, a lightweight metal truss can:
A. maintain its structural integrity
B. often contain a fire to a specific area
C. be expected to fail in 5 to 10 minutes
D. be expected to support firefighting operations for at least 20 minutes
C. be expected to fail in 5 to 10 minutes
What is the term for plastics that will melt under fire conditions?
A. aluminum oxide
B. mineral salts
C. mineral spirits
D. nothing
B. mineral salts