FINAL TEST PACK 3
A green triangle containing a letter would indicate an extinguisher to be used on _______ fires. A. Class A B. Class B C. Class C D. Class D
A. Class A
A stored-pressure water extinguisher should be chosen to attack a __________ fire. A. Class A B. Class B C. Class C D. Class D
A. Class A
A fire extinguisher bearing the symbols shown below would be suitable for extinguishing fires. A. Class A, B, and C B. Class B and C C. Class A and B D. Class A and C
A. Class A, B, and C
Which of the following types of portable fire extinguishers is least likely to expose the operator to electrical shock? A. Dry chemical B. Pressurized water C. Stored pressure AFFF D. Calcium chloride
A. Dry chemical
A firefighter who is not riding in an enclosed cab should wear: A. a helmet and eye protection. B. boots and a helmet. C. boots and a coat. D. hearing protection and a coat.
A. a helmet and eye protection.
When attacking wildland fires, the control line may be established: A. at the edge of the fire, next to it, or at a distance away. B. inside the black. C. at the head only. D. from the flanks only.
A. at the edge of the fire, next to it, or at a distance away.
A Class D fire involves: A. combustible metals. B. flammable liquids. C. electrical equipment. D. ordinary combustibles.
A. combustible metals.
Aspect is the: A. direction a slope faces. B. measure of the steepness of a slope. C. measure of the roughness of a slope. D. measure of the direction in which the wind moves across a slope.
A. direction a slope faces.
Automatic sprinklers enhance occupant safety because they: A. discharge water directly on the fire while it is still small. B. reduce the possibility of a fire starting. C. limit the amount of water damage. D. are installed during the construction phase.
A. discharge water directly on the fire while it is still small.
Firefighters should treat all downed wires as: A. energized. B. safe if in contact with the ground. C. only dangerous if nearby homes have power. D. safe if not arcing.
A. energized.
Class B fires involve fuels such as: A. flammable liquids. B. energized electrical equipment. C. combustible metals. D. ordinary combustibles.
A. flammable liquids.
The quick-response type sprinkler head utilizes a for its release mechanism. A. fusible link B. chemical pellet C. frangible disc D. valve cap
A. fusible link
Portable water tanks should be positioned in a location that allows easy access from: A. multiple directions. B. only one direction. C. the windward side. D. the leeward side.
A. multiple directions.
Class A fires involve: A. ordinary combustibles. B. electrical equipment. C. flammable liquids. D. combustible metals.
A. ordinary combustibles.
A fire caused by flying embers, that starts outside the perimeter of the main fire, is called a fire. A. spot B. surface C. torch D. slash
A. spot
A flat-head axe is more suitable for , but a pick-head axe is more adaptable to a variety of firefighting functions. A. striking B. prying C. heavy work D. chopping
A. striking
A pump tank extinguisher rated as 4-A can be expected to extinguish approximately ______ as much fire as one rated 2-A. A. twice B. three times C. four times D. eight times
A. twice
Modern extinguishers are designed to be operated in a/an: A. upright position. B. position that allows for ease of use. C. inverted position. D. horizontal position.
A. upright position.
A sprinkler head rated for 180 degrees will be color coded: A. white. B. blue. C. red. D. green.
A. white.
A dry chemical fire extinguisher rated as 10-B should be capable of extinguishing ___________ times as much fire as a unit rated as 1B. A. 5 B. 10 C. 20 D. 100
B. 10
NFPA 1901, 1999 Edition, Standard for Automotive Fire Apparatus, requires pumpers to carry at least feet of large soft sleeve intake hose. A. 10 B. 15 C. 30 D. 40
B. 15
Extinguishers suitable for use on Class B fires are classified with numerical ratings based on the approximate square foot area of flammable liquid fire that a nonexpert operator can extinguish. A dry chemical extinguisher rated 60-B is capable of extinguishing a ________ flammable liquid pan fire. A. 40 ft2 B. 60 ft2 C. 120 ft2 D. 150 ft2
B. 60 ft2
CO2and dry chemical extinguishers will extinguish both Class B and C fires. What advantage does CO2 have over a dry chemical extinguisher? A. CO2 is not a hazard in an enclosed area. B. CO2 does not leave a residue or corrode electrical contacts. C. CO2 will prevent reignition longer than dry chemical extinguisher. D. CO2 is effective at a greater distance.
B. CO2 does not leave a residue or corrode electrical contacts.
Aqueous film-forming foam extinguishers are suitable for use on fires. A. Class B and C B. Class A and B C. Class D D. Class A, B, and C
B. Class A and B
A red square containing a letter indicates an extinguisher to be used on _______ fires. A. Class A B. Class B C. Class C D. Class D
B. Class B
Fires involving flammable liquids, greases, and gases where the smothering or blanketing effect is needed are fires. A. Class A B. Class B C. Class C D. Class D
B. Class B
Carbon dioxide extinguishers are generally rated for ______ fires. A. Class A and B B. Class B and C C. Class C and D D. Class B and D
B. Class B and C
Halon 1211 fire extinguishers are primarily designed for use on fires. A. Class A, B, and C B. Class B and C C. Class A and B D. Class C only
B. Class B and C
Which of the following is not a safety practice when riding on an apparatus? A. Riding in a fully enclosed cab B. Dressing while the apparatus is in motion C. Being seated with seat belts fastened D. Not standing on the apparatus
B. Dressing while the apparatus is in motion
Which of the following 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
Tempered plate glass should be broken only as a last resort. It is recommended that it be shattered by striking: A. in the center with a large, 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.
Extinguishing agents safe for use on fires in or near energized electrical equipment include: A. dry powder, carbon dioxide, and AFFF. B. carbon dioxide and dry chemical. C. dry chemical, pressurized water, and carbon dioxide. D. AFFF, carbon dioxide, and dry chemical.
B. carbon dioxide and dry chemical.
During a structure fire involving a building with a sprinkler system, the incident commander orders a firefighter to shut down the sprinkler system. The firefighter can accomplish this task 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.
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.
Electrical cables used in conjunction with power plants and lighting equipment should be: A. no more than 1/2" in diameter. B. explosion proof. C. orange in color. D. long enough to reach the scene.
B. explosion proof.
The term reverse lay describes an apparatus that lays out a supply line: A. while the apparatus is moving in reverse. B. from the fire to the water source. C. from the water source to the fire. D. with the male coupling ending up at the fire scene.
B. from the fire to the water source.
After connecting the supply line to the hydrant, the firefighter should open the hydrant. A. partially open B. fully open C. barely crack open D. never open
B. fully open
When faced with an electrical emergency the firefighter shall try to: A. obtain a pair of lineman gloves. B. have equipment de-energized. C. use a dry rope to pull victim from contact with an energized conductor. D. wear rubber boots when approaching the emergency scene.
B. have equipment de-energized.
Automatic sprinklers enhance life safety because they limit the: A. amount of water damage. B. products of combustion. C. products of convection. D. products of conduction.
B. products of combustion
Once the glass on a window is broken, a firefighter should: A. move to the next window. B. remove all broken glass from around the sash. C. direct a hose stream into the opened space. D. set up smoke-ejectors.
B. remove all broken glass from around the sash.
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.
A carbon dioxide (CO2) extinguisher's means of discharge is: A. chemical reaction. B. stored liquified compressed gas. C. cartridge activation. D. manual hand-pump.
B. stored liquified compressed gas.
When approaching a fire, stored-pressure water extinguishers are designed to be carried in a/an _______ position and the operator is cautioned to keep the _________ in hand at all times. A. inverted, nozzle B. upright, hose C. horizontal, release grip D. vertical, pin
B. upright, hose
. When performing a forward lay, the pumper is driven from the: A. fire scene to water source. B. water source to fire scene. C. water source to fire scene to water source. D. discharge of one pumper to intake of another.
B. water source to fire scene.
The most common danger that the firefighter experiences occurs: A. during nonfire emergencies. B. while riding the apparatus to and from emergency calls. C. during training. D. at emergency medical calls.
B. while riding the apparatus to and from emergency calls.
Extinguishers suitable for Class D fires can be identified by a containing the letter D. A. blue circle B. yellow star C. green triangle D. red square
B. yellow star
How much water is required for a fire extinguisher to receive a 2-A rating? A. 2 gallons B. 1-1/4 gallons C. 2-1/2 gallons D. 1-3/4 gallons
C. 2-1/2 gallons
The temperature rating of a sprinkler head color-coded red is degrees F. A. 175 to 225 B. 250 to 300 C. 325 to 375 D. 400 to 475
C. 325 to 375
Read the following statements, then select your answer from alternatives A-D below. 1. Firefighters should use handrails when mounting or dismounting the apparatus. 2. Firefighters should not use handrails when dismounting an aerial apparatus that is close to electrical wires. A. Statement 1 is true; statement 2 is false. B. Statement 1 is false; statement 2 is true. C. Both statements 1 and 2 are true. D. Both statements 1 and 2 are false.
C. Both statements 1 and 2 are true.
A blue circle with a letter designation in the center would indicate an extinguisher is rated for use on ______ fires. A. Class A B. Class B C. Class C D. Class D
C. Class C
Energized electrical equipment and the surrounding area have to be protected with extinguishers that have a ______ rating. A. Class A B. Class B C. Class C D. Class D
C. Class C
Which type of extinguisher is best suited for use on a Class B fire? A. Pump tank B. Dry powder C. Dry chemical D. Air pressurized water
C. Dry chemical
Which of the following devices is not used as a release mechanism in sprinkler heads? A. Solder pellets B. Glass bulbs (liquid) C. Glass bulbs (gas) D. Fusible links
C. Glass bulbs (gas)
Riding on a tailboard of an apparatus is: A. acceptable if an enclosed cab is not available. B. acceptable if the firefighter is wearing a safety belt. C. a major safety violation. D. necessary for transporting firefighters to the scene.
C. a major safety violation.
When attacking a Class A fire using a dry chemical extinguisher, the discharge should be: A. directed at the flames. B. directed at the liquid levels of the fire. C. applied in a sweeping motion at the base of the fire. D. applied until the extinguisher is empty.
C. applied in a sweeping motion at the base of the fire.
AFFF extinguishing agents are applicable to _______ fires. A. Class C B. Class D C. both Class A and B D. Class A, B, and C
C. both Class A and B
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.
From a safety standpoint, during structural firefighting activities: A. the electrical meter should be immediately pulled to prevent the flow of electricity into the structure. B. electricity should be disconnected at the pole to prevent rekindle during overhaul. C. electricity should remain on as long as possible to provide lighting. D. electricity (power) should remain on so the fire cause can be determined.
C. electricity should remain on as long as possible to provide lighting.
A hose clamp should be placed approximately from a coupling and on the water supply (incoming) side. A. one foot B. three feet C. five feet D. twenty feet
C. five feet
The three most important factors that affect wildland firefighting are: A. fuel, equipment, and location. B. topography, resources, and time of day. C. fuel, weather, and topography. D. staffing, resources, and apparatus.
C. fuel, weather, and topography.
The space provided for hose on fire apparatus is generally referred to as the: A. hose box. B. hose load. C. hose bed. D. hose lay.
C. hose bed.
Jet dumps the flow rate of any dump valve. A. assist B. inhibit C. increase D. decrease
C. increase
All portable extinguishers are classified according to their: A. size. B. freeze potential. C. intended use. D. conductivity.
C. intended use.
The manufacture of all extinguishers has been discontinued. A. CO2 B. dry chemical C. inverting D. pressurized-water
C. inverting
Fire apparatus should have seat belts: A. for use on the way to the emergency. B. for use on the way back form the emergency. C. large enough to accommodate firefighters in full gear. D. only for those firefighters not in full gear.
C. large enough to accommodate firefighters in full gear.
The most common situation firefighters face with gas utilities in structure fire incidents involves: A. rapid extinguishment of the fire. B. problems contacting the utility company. C. locating the meter and turning off the gas. D. evacuation of nearby residences.
C. locating the meter and turning off the gas.
The upright-type of sprinkler head should: A. only be used on a dry-pipe system. B. only be used on a wet-pipe system. C. not be inverted for use in the pendant position. D. be inverted for the use in the pendant position.
C. not be inverted for use in the pendant position.
Extinguishers suitable for Class B fires can be identified by a containing the letter B. A. blue circle B. green triangle C. red square D. yellow star
C. red square
More than any other factor, should determine the method by which forcible entry tools are carried. A. the extent of the emergency B. the speed required C. safety D. the length of the tool being carried
C. safety
The safest way for a firefighter to disconnect electrical service to a building is to: A. remove the electrical meter. B. cut the service entrance wires. C. shut off the main breakers/switch at the service panel. D. pull the main breaker at the power pole.
C. shut off the main breakers/switch at the service panel.
Roots, peat, and duff are fuels. A. patchy B. heavy C. subsurface D. aerial
C. subsurface
Almost any static source of water can be used for drafting if it is: A. very shallow and very clean. B. flowing and does not contain salt water. C. sufficient in quantity and is not contaminated. D. in a portable tank and contains only moderate contaminates.
C. sufficient in quantity and is not contaminated.
The most common danger that firefighters experience is riding emergency calls. A. to B. from C. to and from D. to false alarm
C. to and from
Extinguishers suitable for Class A fires can be identified by a ______ containing the letter "A." If colored, it should be _______ . A. circle,blue B. star, yellow C. triangle, green D. square, red
C. triangle, green
A water motor gong is operated by: A. a remote pull station. B. an electrical signal. C. water movement. D. radio frequency.
C. water movement.
NFPA 1901, 1999 Edition, Standard for Automotive Fire Apparatus, requires pumpers to carry at least feet of 2-1/2 or larger supply hose. A. 800 B. 900 C. 1000 D. 1200
D. 1200
If apparatus sirens and noise levels exceed decibels, firefighters should wear hearing protection. A. 60 B. 70 C. 80 D. 90
D. 90
A multipurpose dry chemical extinguisher is rated for Class _________ fires. A. A and B B. B and C C. A and C D. A, B, and C
D. A, B, and C
An electric motor fire is best extinguished by using CO2 because it: A. is a nonconductor of electricity. B. leaves no residue. C. will not further damage the motor. D. All of the above
D. All of the above
When an enclosed cab is not available and the firefighter must ride in a jump seat, the firefighter should use: A. a safety bar. B. eye protection. C. ear protection. D. All the above.
D. All the above.
Dry powder extinguishers are rated for use on ___________ fires. A. Class A B. Class B C. Class C D. Class D
D. Class D
Fires involving combustible metals such as magnesium, titanium, zirconium, sodium, and potassium, are _______ fires. A. Class A B. Class B C. Class C D. Class D
D. Class D
Into which of the following 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
Extinguishers suitable for Class C fires can be identified by a __________ containing the letter C. A. yellow star B. green triangle C. red square D. blue circle
D. blue circle
The preferred method of applying dry chemical agents to flammable liquid spill fires is to: A. direct the stream into the flame and allow it to settle. B. deflect the stream a minimum of 5 feet in front of the spill to prevent agitation. C. direct the stream up-wind and allow it to be blown onto the fire. D. direct the stream at the base of the fire using a sweeping motion.
D. direct the stream at the base of the fire using a sweeping motion.
Before opening a portable tank, a should be placed on the ground to help protect the liner once water is dumped into it. A. low-level strainer B. water shuttle C. large sheet of plastic D. heavy tarp.
D. heavy tarp.
A pendant-type sprinkler head is designed to be installed: A. upright. B. on a vertical sidewall. C. open, fused. D. inverted.
D. inverted.
Of these examples, the type of window that is most difficult to force open is the window. A. casement B. checkrail C. projected (factory-type) D. jalousie
D. jalousie
If a firefighter must exit an apparatus in contact with electrical wires, the firefighter should: A. exit one foot at a time. B. touch the handrail and the ground simultaneously. C. slowly touch the ground. D. jump clear of the apparatus.
D. jump clear of the apparatus.
Sprinkler heads rated for the Ultra High temperature classification are color coded: A. yellow. B. white. C. blue. D. orange.
D. orange.
270. Fires in above-ground transformers containing PCB should be: A. allowed to completely burn themselves out because of the degree of danger to the firefighter. B. rapidly extinguished with a fog stream to prevent PCB from becoming vaporized. C. permitted to burn until firefighters de-energize the transformer. D. permitted to burn until qualified utility personnel can extinguish the fire with a dry chemical extinguisher.
D. permitted to burn until qualified utility personnel can extinguish the fire with a dry chemical extinguisher.
The amount of lighting on an emergency scene should be carefully matched with the amount of available from the . A. personnel, staging area B. watts, bulb C. electricity, power company D. power, power plant
D. power, power plant
An advantage of a forward lay is: A. that the pumper is located at the hydrant to boost water pressure. B. that the supply line is dropped off at the fire location. C. the ability to utilize poor or static water sources. D. that the pumper is located at the fire with access to additional hoselines.
D. that the pumper is located at the fire with access to additional hoselines.
In which position should pendant-type sprinkler heads should be used? A. Sidewall B. Upright C. Inverted D. Any position
Inverted
There are four basic methods by which tankers unload water. Which of the following is not one of these methods? A. Gravity dumping B. Low-level intakes C. Jet dumps D. Pumping off water
Low-level intakes
True or False? Upright-type sprinkler heads should not be inverted for use in the hanging position (pendant) position.
True
