fire protection systems midterm

The importance of the ________ test cannot be overstated, as a fire alarm system is only as good as its installation.

acceptance

Which type of signal should spur occupants to immediately leave the building, call the fire department, or take other appropriate action to ensure life safety?

alarm signal

Data compiled by the NFPA between 2007 and 2011 revealed that certain occupancies equipped with ________ had an average fire loss that was between 31 and 76 percent less than properties without these systems.

automatic fire sprinkler systems

which fire extinguisher type has a pressurized cartridge that, when activated, releases the pressurized gas into the extinguishing agent tank, forcing it out of a nozzle or hose

cartridge pressure extinguisher

Which system establishes a high level of service to ensure timely, efficient, and appropriate handling of any issue related to a fire protection system at a protected property?

central station service fire alarm system

some of the classes of fire extinguishers have numbers in addition to thier letter of classification, which class has a letter before its number

class B

which class of fire extinguishers involved energized electrical equipment

class C

which class of fires involve electrical equipment

class C

which class of fires involve combustible metals that require a dry powder extinguishing agent

class D

which class of fire involves cooking appliances using combustible vegetable or animal oils and fats

class K

which of the following classes of fire involves cooking media that uses combustible vegetable or animal oils and fats

class K

Which of the following systems consists of fire warning equipment, burglar alarms, medical alert, and other sensing equipment such as carbon monoxide detectors?

combination detectors

a chemical reation in which a combustible material and an oxidizing agent produce heat or energy and other products that promote a self sustaining process

combustion

which form of heat transfer occurs from one body to another through a medium such as a liquid or gas

convection

The International Code Council and the NFPA devote all of their time and effort to the ______, making it cost effective for governments to adopt the model codes.

development process

this type of fire is the most recognizable, can be seen by lighting a match and requires the presence of a combustible gas because the visible flame is a gaseous reaction

diffusion flame

To ensure utilization and adoption of the best methods, standards, and practices, the authors of the model codes reference which of the following to meet the required performance characteristic or design intent?

documents published by nationally recognized organizations

extinguishing agent that is made up of small solid particles propelled by a pressurized gas that covers the burning material and decreases the oxygen concentration

dry chemical

which extinguishing agent is effective on class D fires and eliminates oxygen byy forming a crust on the materials and depleting the available oxygen

dry powder

how often should fire extinguishers have a visual inspection to ensure readiness and serviceability

every 30 days

the purpose of a conductivity test is to make sure the class C extinguishing agent and equipment are nonconductive so that the _________ is safe from shock potential

extinguisher operator

if a class A fire extinguisher has a rating of 6-A, it must be able to extinguish a __________ wood crib fire

6-cubic foot

Which NFPA standard, titled National Fire Alarm and Signaling Code, lists system classifications for fire alarm systems?

72

the design of water-based fire extinguishing systems is based on the premise that one gallon of water, when properly applied, can absorb how many british thermal units?

8000

At the time of the origin of the NFPA in 1895, there were_____ different fire sprinkler system design and installation standards within ____miles of Boston, Massachusetts.

9; 100

which of the following classes of fire involves ordinary combustibles such as cloth, grain, paper, rubber and wood

Class A

what group has developed a commonly used color coding system for fire hydrants?

NFPA

what organization is not part of the merger to become part of the international code council in the mid 1990's

NFPA

which extinguising agent is effective on class b and c fires but has limited use on class A

carbon dioxide

of the different methods of heat transfer, which is the transfer of heat from one body of material to another by direct contact

conduction

the effect of convection is directly influenced by the size and shape of the

fire compartment

Which heat detector operates when a sensing element within the detector reaches a predetermined temperature?

fixed temperature heat detector

in this transition stage, the temperature in a room or space reaches a point at which all of the surfaces

flashover

what extinguishing agent forms a vapor barrier between the class B fuel and the atmosphere, thus cooling and smoldering the fire

foam

which commonly used supression agent can cover leaking fuel so that oxygen cannot reach the fuel

foam

Which type of valve is required on the suction side of the fire pump, allowing the pipe to be open to the full diameter of water flow?

gate valve

The only purpose of the _______ is to boost and maintain the system pressure above the fire-pump start-pressure setting in order to avoid frequent fire pump operation.

jockey pump

which type of material produces twice the amount of heat per pound than combustible materials

plastic

Which system establishes the building/property owner as the responsible party to monitor the fire alarm system signals at his or her facility?

proprietary supervising alarm system

the form of heat transfer that occurs through electromagnetic energy

radiation

Which of the following fire alarm systems is found in homes and consists of smoke detectors and possibly a combination detector covering smoke and heat that operates independently from other alarm systems and detectors?

single station detectors

what factor has a significant impact on fire growth, in addition to the shape of surrounding walls, ceilings, and roofs

size of a structure

which type of fire, usually seen with charcoal briquettes and burning cigarettes, has no flame but still generates significant heat

smoldering

this type of fire starts without a known external heat source beign applied to the combustible material

spontaneous combustion

_________ is defined as the pressure exerted on a water supply system when there is no water flowing

static

____________ have both the pressurized expelling gas and the extinguishing agent mixed in the same tank and use the gas to push the extinguishing agent out through a nozzle or hose when operated

stored pressure extinguisher

Which of the eight steps of the International Code Council code development process can be presented by anyone and must be received by the announced due date within the review cycle to be considered?

submit code changes

Which signal sounds when there is a change in the normal ready status of other fire protection systems or devices that are connected to or integrated with the fire alarm panel?

supervisory signal

what is considered the most important part of any fire alarm system

the fire alarm control panel

Which function of a fire alarm system is caused by interfacing fire dampers with the fire alarm system to prevent propagation of smoke, hot gases, and flame?

the fire dampers close

who is responsible for the inspection, testing, and maintenace of fire extinguishers to ensure that they will be in working order when needed

the property owner

What system permits first responders and, in some cases, building occupants to communicate between specific locations within the building and the fire control room via an internal communications system?

two way emergency communication system

What is the first factor used to determine any fire alarm installation requirements of a building?

use and occupancy

which extinguishing agent can absorb more heat per pound that any other extinguishing material

water

What is a system of rules, regulations, or laws typically developed by private, not-for-profit organizations?

model code

________ codes attempt to achieve a balance between the hazards posed by the structure itself; the combustible contents; the floor areas above and below ground level that challenge manual firefighting efforts; and the cost of construction.

model construction

Which system involves a number of interconnected smoke alarm units that all sound together throughout a facility as soon as one is activated?

multiple station detectors

In order to determine if the delivery system is adequate for manual firefighting, what must the engineers calculate?

needed fire flow

Which system provides audible and visual notification within the property it is protecting to alert occupants of a fire emergency?

protected premesis fire alarm system

which type of fire extinguisher requires manual operation, creating the necessary pressure in the tank to expel the extinuishing agent

pump extinguisher

Which term refers to the pressure exerted on a water supply system when water is flowing?

residual pressure

Which component of a fire alarm system utilizes a flexible round plastic paddle or vane that inserts into the wet sprinkler system piping?

water flow swith

Which of the following is NOT part of the water supply system source/supply network?

water intake system

which extinguishing agent is a mixture of agents that, when applied, reacts with the fat in the cooking medium and develops a soapy foam blanket

wet chemical

which NFPA standard is for portable fire extinguishers

10

what type of material is generally the best for heat transfer through conduction, because it absorbs and transmits heat rapidly and evenly

heavy, dense material

__________ fire alarm systems utilize a fire control panel to provide an interface between system devices; primary and backup power for the devices; alarm functions; and monitoring capabilities to ensure system integrity.

household detectors

Which person or organization(s) requires commercial and industrial building owners to install some type of fire protection system?

insurance companies