Which of the following statements is MOST accurate about types of evidence?
answer
Evidence is presented to prove or disprove a hypothesis
question
Which category of evidence supports inference formed from direct evidence?
answer
Circumstantial
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Which of the following would be an example of physical evidence?
answer
Fire patterns
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Which of the following decides what evidence is collected?
answer
Fire investigator
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Which of the following are often cigarette-match combinations?
answer
Timing devices
question
Which of the following is more commonly found in wildland fires?
answer
Glass
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Which of the following is an ignitable liquid?
answer
Alcohol
question
Which of the following statements is MOST accurate about containers?
answer
They could be found in a structure
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Which of the following is a responsibility of a firefighter during fire investigations?
answer
Collect important information
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Who has legal responsibility for determining origin and cause of a fire?
answer
Fire chief
question
During an investigation, the people present and status of doors are ___ a firefighter should take.
answer
mental notes
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Which of the following would be a sufficient reply for a firefighter providing a statement?
answer
The fire is under investigation.
question
Responsibility for ___ can lie with state fire marshal, state police, or other state agency.
answer
fire cause
question
Insurance investigators are hired to:
answer
determine cause and amount of loss.
question
What is a firefighters role when working with insurance investigators?
answer
Be interviewed or provide testimony in court
question
Which of the following might an adjuster contact upon notification of a loss?
answer
Arson investigator
question
Which of the following is developed to ensure the integrity of evidence during collection?
answer
Chain of custody
question
Which of the following can jeopardize legal proceedings if evidence is damaged during cause determination?
answer
Spoliation
question
Once the control of scene has been relinquished, personnel can only re-enter after:
answer
securing permission from owner.
question
The purpose of a fire alarm system is to:
answer
notify building occupants of an emergency condition.
question
Which alarm system component serves as the brain for the fire alarm system?
answer
Fire alarm control panel
question
The fire alarm control panel:
answer
contains electronics that control and monitor the fire alarm system.
question
The primary power to the alarm system is obtained from:
answer
a local utility provider.
question
Which fire alarm component sends a signal to the fire alarm control panel?
answer
Initiating device
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After receiving a signal from an initiating device, the control panel activates:
answer
notification appliances.
question
Which is the most common category of notification appliances?
answer
Audible
question
Strobe lights are an example of which notification appliance category?
answer
Visual
question
The fire command center:
answer
consolidates all fire protection system controls for a structure in one room.
question
Which type of alarm signaling system is designed to provide notification to building occupants on the immediate premises?
answer
Protected premises
question
The fire alarm control panel in a (an) ___ system is not capable of identifying the initiating device that triggered the alarm.
answer
noncoded alarm
question
A zoned/annunciated alarm system:
answer
enables responders to identify the general location of alarm activation.
question
Which type of protected premises alarm system allows responders to pinpoint the specific initiating device that was activated?
answer
Addressable alarm
question
A ___ alarm system continuously monitors a remote location.
answer
supervising station
question
Which of the following supervising station alarm systems is connected to a municipal fire alarm system?
answer
Auxiliary alarm system
question
Which type of supervising station alarm system is an extension of the municipal alarm circuit into protected property?
answer
Shunt system
question
How are remote receiving systems connected to the emergency services telecommunications center?
answer
A telephone line or dedicated radio frequency
question
Which of the following is a manually-activated alarm-initiating device?
answer
Pull station
question
Which of the following statements about fixed temperature heat detectors is MOST accurate?
answer
Fixed temperature heat detectors can be the slowest to activate, depending on installation location.
question
Fixed-temperature heat detectors are activated by expansion of heated material, changes in resistance of heated material, and:
answer
melting of heated material.
question
A frangible bulb heat detector is activated when:
answer
a small glass vial breaks when heated, allowing electrical contacts to complete a circuit.
question
Which heat detector uses two metals, one which expands faster than the other when heated, to break a circuit and send a signal to the fire alarm control panel?
answer
Bimetallic detector
question
Which alarm-initiating device is activated by a rise in temperature of 12¡F to 15¡F (7¡C to 8¡C) in one minute?
answer
Rate-of-rise heat detector
question
Which of the following statements about rate-of-rise detectors is MOST accurate?
answer
Rate-of-rise detectors can initiate an alarm at a temperature below that required for initiating fixed temperature devices.
question
Which rate-of-rise detector uses self-contained pneumatic sensors to monitor specific locations?
answer
Pneumatic rate-of-rise spot detector
question
Which type of rate-of-rise detector uses a system of thermistors that produce a change in electrical resistance when exposed to heat?
answer
Electronic spot-type heat detector
question
Which of the following statements about smoke detectors is MOST accurate?
answer
In most cases, smoke detectors are installed in nonresidential and large multi-family occupancies.
question
Which of the following statements about photoelectric smoke detectors is MOST accurate?
answer
Photoelectric smoke detectors usually respond more quickly to smoldering fires than do ionization-type detectors.
question
Which type of photoelectric smoke detector focuses a beam of light across the monitored area into a cell, and initiates an alarm when the beam is obscured?
answer
Projected-beam smoke detector
question
Which of the following statements about ionization smoke detectors is MOST accurate?
answer
Ionization smoke detectors detect products of combustion using tiny amounts of radioactive material.
question
Which type of alarm-initiating device is activated in the presence of carbon dioxide, carbon monoxide, and other gases produced by fires in confined spaces?
answer
Fire-gas detector
question
Which of the following statements about power sources of smoke detectors/alarms is MOST accurate?
answer
State, provincial, and local laws may require that smoke detectors/alarms be hard-wired.
question
Which of the following statements about flame detectors is MOST accurate?
answer
Ultraviolet flame detectors are virtually insensitive to sunlight, and can be used in areas not suitable for infrared detectors.
question
Which of the following statements about fire-gas detectors is MOST accurate?
answer
Fire-gas detectors can be designed to be sensitive to only gases produced by hostile fires.
question
Which of the following statements about sprinkler systems is MOST accurate?
answer
Sprinkler systems are designed to extinguish a fire or prevent its spread until firefighters arrive.
question
A sprinkler system minimum design area is based on:
answer
the assumption that only a portion of the sprinklers will activate at one time.
question
Which of the following statements about the effects of sprinkler systems on life safety is MOST accurate?
answer
Sprinklers discharge water directly onto a fire while it is still small, limiting the products of combustion.
question
The ___ is the vertical piping to which the one-way check valve, alarm valve, and main drain are attached.
answer
riser
question
The sprinkler system feed main is:
answer
the pipe connecting the riser to the cross mains.
question
Which of the following statements about sprinklers is MOST accurate?
answer
Sprinklers are fixed spray nozzles opened individually in response to heat.
question
SprinklersÕ temperature ratings can be identified by:
answer
the color-coded sprinkler frame arms.
question
Which sprinkler release mechanism has a valve cap held in place by a small piece of solder that melts to release pressure and open the valve?
answer
Chemical pellet
question
Sprinkler deflectors serve to:
answer
direct water flow downward.
question
Which type of sprinkler deflector discharges most of the water to one side, and is used when it is necessary to install a sprinkler on the wall or at the side of a room?
answer
Sidewall
question
Which sprinkler orientation type is installed in a housing within the ceiling and has all or part of the sprinkler (except the threaded shank) in the housing?
answer
Recessed
question
In accordance with NFPA¨ 13, a sprinkler storage cabinet must contain:
answer
six sprinklers and a sprinkler wrench.
question
The main control valve is used to:
answer
stop supplying water to the system.
question
Which type of indicating valve extends horizontally through the wall with the target and valve operating nut outside of the building?
answer
Wall post indicator valve (WPIV)
question
Which type of indicating valve has a hollow metal post housing the valve stem with a moveable plate visible through a small glass window on the side?
answer
Post indicator valve (PIV)
question
The sprinkler system operating alarm test valve:
answer
can be used to simulate actuation of the sprinkler system.
question
Which sprinkler system operating valve is equipped with the same size orifice as a sprinkler and is used to simulate the actuation of one sprinkler?
answer
InspectorÕs test valve
question
What is the purpose of a sprinkler system waterflow alarm?
answer
Initiate alarm when water begins to flow.
question
Which of the following statements about the sprinkler system water supply is MOST accurate?
answer
A fire pump is typically incorporated into the system to ensure adequate water pressure and volume.
question
Which of the following statements about fire department connections is MOST accurate?
answer
Fire department preincident plans may identify the pressure at which the sprinkler system will be supported by pumpers.
question
Which type of sprinkler system contains water under pressure at all times so a sprinkler will immediately discharge water spray and activate an alarm?
answer
Wet-pipe system
question
What is the function of a retard chamber?
answer
Catches excess water sent during momentary water pressure surges
question
In which type of sprinkler system does air or nitrogen under pressure replace the water in the sprinklers above a valve?
answer
Dry-pipe system
question
Which of the following statements about dry-pipe sprinkler systems is MOST accurate?
answer
Accelerators and exhausters are quick-opening devices that allow air to exit and water to enter the pipes quickly.
question
Which of the following BEST describes deluge sprinkler systems?
answer
Designed with open-head sprinklers to quickly supply a large volume of water to the protected area
question
Which of the following system types is typically used where it is important to prevent water damage?
answer
Preaction system
question
Which of the following statements about residential sprinkler systems is MOST accurate?
answer
Residential sprinkler systems are expected to prevent flashover, and improve the chance for occupants to escape.
question
Which of the following statements about standpipe and hose systems is MOST accurate?
answer
In many high-rise buildings, a standpipe is the primary means for manual extinguishment and overhaul of a fire.
question
Which of the following statements BEST describes standpipe and hose systems?
answer
Design and installation of standpipe systems and hose stations are described in NFPA¨ 13 and NFPA¨ 14.
question
Which class of standpipe system is equipped with a 1 inch (38 mm) hose and lightweight twist-type shutoff nozzle stored on a hose rack system?
answer
Class II
question
Which statement about Class III standpipe systems is MOST accurate?
answer
Class III standpipe systems must allow both Class I and Class II services to be used simultaneously.
question
Which of the following statements BEST describes an automatic dry standpipe system?
answer
Water is admitted to the system upon opening of the hose valve.
question
Which type of standpipe system requires activation of a control device to provide water at hose connections?
answer
Semiautomatic dry
question
Which of the following statements BEST describes a manual wet standpipe system?
answer
The system is maintained full of water, but has no water supply.
question
Which of the following statements about smoke control is MOST accurate?
answer
Smoke control is any effort to change pressure in spaces adjacent to the fire area to compartmentalize or exhaust smoke.
question
Which of the following is an advantage of dedicated smoke control systems?
answer
The system is less likely to be affected by modification or failures of other building systems.
question
One advantage of nondedicated smoke control systems is:
answer
less chance of component failure due to regular use and maintenance.
question
Which smoke control system/method uses barriers with sufficient fire endurance to provide protection against the spread of fire and smoke?
answer
Passive
question
How does the exhaust method control smoke?
answer
Uses mechanical ventilation and the properties of smoke to collect smoke at the highest point in a large space.
question
Where is the opposed air flow method of smoke control typically used?
answer
Large spaces where smoke migration is limited by opposed air flow, such as subway and railroad tunnels.
question
Which of the following statements about firefightersÕ smoke control stations is MOST accurate?
answer
The firefightersÕ smoke control station should contain a building diagram indicating the location of smoke control equipment.
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