FIRT - 1338 Fire Protection Systems

Which of these is the generally accepted heat value for hardwood at zero moisture?

8600 Btu/pound

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 would be a source of water for a system requiring a pump to generate sufficient suction pressure to draw water into the supply network?

A deep well or reservoir

What is the most likely cause of the low volume from the fire hydrant?

A partially or nearly closed valve

What type of evacuation signal should be sounding throughout the building?

A three-pulse temporal activation signal

Various use and occupant conditions listed in the International Building Code® and NFPA model codes require the installation of the fire alarm systems to be tied to:

ALL OF THE ABOVE the use-group and occupancy. the occupancy load. the level of exit discharge.

Which type of smoke detector is one of the more sophisticated types of smoke detectors and is designed to draw air from the protected area into a detection chamber for analysis?

Air sampling smoke detector

What types of signal indications should be showing on the annunciator panel?

Alarm and supervisory

What type of device operates when the pressure setting either rises above or drops below a pre-set pressure threshold?

Alarm pressure switch

Which category of stationary fire pump was removed from NFPA 20 in 1999 and has not returned in subsequent editions?

Booster pump

How can a person confirm that a gate-type street valve is fully or partially opened or closed?

By using a street key to turn the valve and observe the effect on the amount of flow from the fire hydrant

Which system establishes a high level of service to a fire protection system at a protected property?

Central station service fire alarm system

Which of the two types of stationary fire pumps creates pressure by drawing water into the center of a precision manufactured disk-shaped piece of metal called an impeller?

Centrifugal type

Which of the following is used to prevent water from flowing out of the fire protection system back into the water supply system?

Check valves

Which class of fire involves energized electrical equipment, in which the choice of extinguishing agents must be appropriate to minimize potential danger to those involved in fighting the fire?

Class C

Which class of fire involves combustible metals and dusts that are generally extinguished using a dry powder extinguishing agent?

Class D

Which of these types of fire is used in cooking appliances?

Class K

What type of manual fire alarm box is assigned a code that sounds from an audible notification device when a mechanically or electrically driven motor turns a wheel?

Coded

Depending on the system design, notification appliances may communicate additional information and may generate a predetermined number of visual or audible patterns for a specific duration. Which type of signal is this?

Coded signal

Which of these describe a system of rules, regulations, or laws that are usually put into effect by government and have statutory authority to be enforced?

Codes

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

Combination

Which type of system uses pumps to fill water towers and other water storage facilities then distributes the water by gravity to supply homes and businesses?

Combined system

At which step in the International Code Council code development process are hearings provided to give interested parties the opportunity to express their views to the code development committees?

Committee Action Hearing

Which of these methods of heat transfer requires direct contact of the materials to transfer heat?

Conduction

In which stage of the NFPA code development process does the council review all activities associated with the decisions to ensure that procedures and rules were followed and the process was fair throughout?

Council Appeals and Issuance of Standard

When new construction is being done in an existing building, what code requirements must be followed in the area of the building where the construction is taking place?

Current code requirements

Visible notification appliances produce the flashing lights that can be seen when a fire alarm system activates. They are essential primarily for people with which type of disability?

Deafness

Which of the following is NOT a primary determination for whether fire protections systems are required?

Distance to the closest firehouse

Of the different piping used to make up a supply network, which type of piping supplies a number of smaller areas within the system?

Distribution mains

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

Distribution pumps

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

Which of the following hydrants is designed for use in cold climates where freezing is a problem?

Dry barrel

Which of these devices samples air as it moves through the air distribution ductwork? If smoke is detected, it can shut down the unit and may close associated smoke dampers.

Duct smoke detectors

Which of the following are used to send a supervisory signal to the fire alarm panel alerting it that a control valve has been operated, which could render the system inoperable?

Electronic valve supervisory devices

Which type of lines tap off of distribution lines and directly connect to the water-based fire protection system or hydrant?

Fire mains

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

Fixed-temperature heat detector

Which commonly used suppression agent can cover leaking fuel so that oxygen cannot reach the fuel?

Foam

At which stage will a fire survive by consuming the air and materials necessary to generate the flammable gas and sustain combustion?

Growth stage

In-building emergency voice/alarm communication systems (EVACS) are an integral part of which type of building (because this type of building presents rescue challenges for fire personnel)?

High-rise building

Which of the following fire alarm systems utilizes 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

Which of the following stages of fire occurs when the heat source, fuel, and oxygen come together to generate more heat than is dissipated, thus promoting the uninhibited chain reaction?

Incipient stage

As a condition of their policy, which person or organization(s) requires commercial and industrial building owners to install some type of fire protection system?

Insurance companies

Why was the alarm barely audible or not heard at all on the 7th, 10th, and 14th floors of the building?

It is typical for the alarm in a modern high-rise building to only sound on the floor of origin, the floor above origin, and the floor below origin.

Under the NFPA's commonly used color coding system, which color is used for a hydrant that provides 1500 gallons per minute or greater?

Light blue

Which of the following refers to a system of rules, regulations, or laws typically developed by private, not-for-profit organizations?

Model code

Which of these types of 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 detection device involves a number of interconnected smoke alarm units that all sound together throughout a home or dwelling unit as soon as one is activated?

Multiple station

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

NFPA 72

Which of the following groups has developed a commonly used color coding system for fire hydrants?

National Fire Protection Association

Which of the following organizations was NOT a part of the merger to become the International Code Council in the mid-1990s?

National Fire Protection Association (NFPA)

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

Needed fire flow

What does NOT factor into requirements for automatic smoke detection in assembly or business occupancies?

Occupancy load

Which of these does not have a significant impact on fire growth?

Occupancy rating

Why did the elevators fail to come to the floor when the call button was pushed?

Once an alarm activates, the elevators travel to the first floor or, if the alarm originates on the first floor, to an alternative floor so fire fighters can use them to investigate the alarm.

Which type of indicating valve has a stem that rises and falls as the control wheel is turned, and the valve is open when the threads are fully extended?

Outside screw and yoke valve

Which pump operates by reciprocating motion, with the liquid being drawn into a cylinder on the intake stroke and expelled under pressure on the discharge stroke by a plunger or piston?

Positive displacement

Which of the following is a valve with a freestanding post that houses the stem extension of an underground valve control, in which the position of the valve is shown in a small window?

Post indicator valve

Which of the following are used when fire system designers discover that the existing fire alarm control panels do not have the power capacity to support all of the additional notification devices?

Power expander panels

What type of initiation device most likely activated the alarm system?

Pressure switch

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

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

Protected premises fire alarm system

Which of the following is located on streets in the community and can be operated by the public to initiate an alarm?

Publicly accessible alarm boxes

Which of these is the form of heat transfer that occurs through electromagnetic energy?

Radiation

The person or organization who installed the fire alarm system must provide a _______________ to the approving authority stating that the system has been installed in accordance with the approved plans and will function as designed and required.

Record of completion

Which system is set up to report alarm, trouble, and supervisory signals generated by protected premises systems to a location distant from the protected facility for property protection purposes?

Remote supervising station fire alarm system

What type of pressure was observed when the hydrant was opened and water flowed from the hydrant?

Residual pressure

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

Residual pressure

Which type of hydrant is used for testing standpipe system performance?

Roof hydrant

Which of the following systems is NOT preferred because problems with ground faults and short circuits may send false alarms or prevent transmission to the municipal center?

Shunt auxiliary fire alarm system

Which type of alarm / detector 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

Which of the following is NOT a component of a smoke alarm?

Smoke generator

When a fire begins to subside to the point at which the available fuel is exhausted or the oxygen level drops below 16 percent, it has reached which stage of fire?

Smoldering/decay stage

Class B fires involving flammable and combustible liquids are typically extinguished through which action?

Smothering

Which of these 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 the probable cause of the fire alarm signal to continue sounding?

The dry pipe sprinkler system pressure switch is holding pressure.

Which of the following is/are considered to be one of the most important part(s) of any fire alarm system?

The fire alarm control unit

Which of these helps us geometrically depict the relationship among fuel, air, and heat?

The fire triangle

Which of the following hydrant styles always has water in it for immediate use by fire fighters and is controlled by separate valves for each opening?

Wet barrel

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

acceptance

Signal line circuits are installed with:

addressable technology systems.

All inspections, tests, and certification of new public and private water lines-including visual inspection of materials and securing methods; hydrostatic testing; line testing; and disinfection-are usually handled by the:

approving authority.

The main purpose of the model code organizations has always been to ___________ building, fire, mechanical, plumbing, electrical, and other related code, standards, and recommended practices independent of the influence, affiliation, and pressure exerted by special interest groups.

develop and maintain

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

A communications system that sends information using Internet protocol technology directly to individuals or groups no matter their location is known as a(n):

distributed recipient mass notification system.

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

fire compartment.

NFPA 72 provides extensive information concerning fire alarm and detection systems; it is not a(n) ________ specification or approval guide.

installation

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

How can a person confirm that the post indicator valve to the building fire sprinkler system is open?

- By removing the valve handle, operating the valve, and observing the water discharge out of the main drain - By looking at the valve window that shows the word "OPEN" or "SHUT" Correct Answer Both A and B

Which edition of NFPA 72 established new signaling priorities, placing emergency communication system signals over all other signals, including fire alarm signals?

2007

Which of the following is the basis for the overall performance characteristics of the pump.

Total rated head

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

In the 1900s, which of the following organizations developed a method of classifying or categorizing fires on the basis of the extinguishing agent that was appropriate for the type of fire?

Underwriters Laboratories

What should the occupants do if the alarms are not heard but the fire trucks can be seen and heard arriving at the building?

Unless occupants feel they are in danger, they should wait for instructions from the fire department. The fire department will provide information and instruction through the emergency voice alarm communications system.

Why would fire alarms—but no voice instructions—have been heard on every floor in the much older high-rise buildings where some of the occupants previously resided?

Unlike today's modern high-rise buildings, most—if not all—high-rise buildings built before the mid-1980s only sounded a general alarm throughout the building; emergency voice alarm communication systems were not required when these buildings were constructed.

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

Use and occupancy

Which type of valve would be the best alternative when a freestanding PIV is impractical or impossible to install, yet direct access to a valve is critical?

Wall post indicator valve

Which of these is the most effective suppression agent for Class A fires because it has the ability to absorb the heat and reduce the temperature below the material's ignition temperature?

Water

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 switch

What occurs when a valve or nozzle is closed very quickly under pressure of the system and can cause severe damage to the water system?

Water hammer