Fire alarm Final

A(n) ? usually provides signal information in a floor plan format A. graphic annunciator b. LCD display c. NAC d. riser drawing

A. graphic annunciator

Match the circuit description to its type (NAC, IDC, SLC) Addressable Type Circuit Conventional Zone Type Circuit Output Circuit

Addressable Type Circuit (SLC) Conventional Zone Type Circuit (IDC) Output Circuit (NAC)

An in-building fire emergency voice/alarm communications system is usually found in a ? a. dwelling b. high-rise building c. small office building d. warehouse

B. high rise building

Which type of smoke detector works best in large open areas? a. Ionization-type b. Projected beam-type c. spot-type d. All of the above

B. projected beam type

Annex A of NFPA 72 is enforceable as Code and is mandatory? a. True b. false

False

Valve supervisory initiating devices must initiate a supervisory signal within ? revolution(s) of the hand wheel, or ? of the travel distance of the valve. a. 1 / 1/5 b. 2/ 1/5 c. 2/2/5 d. 3/1/5

a. 1 / 1/5

Where an engine-driven generator is used to provide secondary power to a protected premises (local) fire alarm system, a minimum of ? of batteries are required. a. 4 hours b. 8 hours c. 12 hours d. 24 hours

a. 4 hours

Wall-mounted spot-type heat detectors are installed so that the top of the detector is ? from the ceiling a. 4-12 b. 6-14 c. 8-16 d. 18"

a. 4-12

For level nonsmooth ceilings, Section 17.7.3.2.4.2(1) of NFPA 72 permits the smooth ceiling spacing of spot-type smoke detectors for beams or joists with depths up to ? of the ceiling height. a. 5% b. 10% c. 15% d. 20%

a. 5%

Duct smoke detectors are sometimes permitted to cause a(n) ? signal in place of a supervisory signal? a. alarm b. guard's tour c. MNS d. trouble

a. Alarm

lonization-type smoke detectors use ? as a means of detecting smoke particles. a. Americium 241 b. infrared LED c. laser d. none of the above

a. Americium 241

Air-sampling smoke detectors were developed in ? . a. Australia b. New Zealand c. the United Kingdom d. the United States

a. Australia

which of the following devices is used to directly detect flames? a. Heat detector b. Radiant energy-sensing fire detector c. Smoke detector d. Supervisory

a. Heat detector

Which of the following is a supervisory signal-initiating device? a. Manual fire alarm box b. Room temperature switch c. Spark/ember detector d. Vane-type flow switch

a. Manual fire alarm box

Which of the following is an alarm signal initiating device? a. Manual station b. room temperature switch c. valve tamper switch d. water level switch

a. Manual station

Vane- (paddle-) type switches are ? initiating device. (pic) (https://docs.google.com/document/d/19sIDqIo7_SuEF6ZKVraY3h2OmaADrkGIb-qG_81Bak4/edit) a. alarm b. supervisory c. supervisory or alarm d. trouble

a. alarm

A smoke detector that has a laser particle counter is best suited for ? . a. attics b. clean rooms c. garages d. kitchens

a. attics

lonization-type smoke detectors are best suited to detect smoke particles having a size ? in diameter a. between one and two microns b. between two and three microns c. greater than three microns d. less than one micron

a. between one and two microns

identify the following supervisory initiating device. pic(https://docs.google.com/document/d/19sIDqIo7_SuEF6ZKVraY3h2OmaADrkGIb-qG_81Bak4/edit ) a. manual pull station b. Radiant energy sensing detector c. Valve tamper switch d. Waterflow switch

c. Valve tamper switch

? is an example of an emergency control function that may be controlled by a. fire alarm system. b. Door locking c. elevator recall or shutdown d Fire pump starting

c. elevator recall or shutdown

An addressable fire alarm system control unit monitors the status of initiating devices? a. by periodically polling the device b. by turning the initiating device ON and OFF c. through alarm verification d. through small supervision current through an end-of-line device

a. by periodically polling the device

incomplete combustion of fossil fuels may result in high concentrations of ? . a. carbon monoxide b. hydrogen chloride c. hydrogen sulfide d. T-4

a. carbon monoxide

Installation instructions for notification appliances are typically found on the product ? a. cut sheet b. itself c. package d. none of the above

a. cut sheet

Alarm signals are indicative of a(n) ? . a. fire or other life-threatening emergency b. ground fault c. loss of AC power d. open circuit

a. fire or other life-threatening emergency

Notification appliances used outdoors may result in ? unless listed for such use a. ground faults b. open circuits c. both a. and b d. none of the above

a. ground faults

Fusible link technology was first used for ? . a. heat detectors b. manual fire alarm boxes c. radiant energy-sensing fire detectors d. smoke detectors

a. heat detectors

The most appropriate type of detection for a smoldering fire is a(n) ? detector a. ionization-type b. photoelectric-type smoke c. radiant energy-sensing fire d. rate-of-rise heat

a. ionization-type

The spacing of heat detectors on ceilings with joists is generally reduced by ? in the direction ? to the joists. a. 1/2 / parallel b. 1/2 / perpendicular c. 1/3 / parallel d. 1/3 / perpendicular

b. 1/2 / perpendicular

Concealed smoke detectors more than ? above the finished floor must have a remote indicator? a. 5' b. 10' c. 15' d. 20' e. 25'

b. 10'

Secondary power supplies must supply power to protected-premises fire alarm systems (that provide full evacuation) for a minimum of ? of standby followed by 5 minutes of alarm. a. 12 hours b. 24 hours c. 36 hours d. 72 hours

b. 24 hours

Secondary power supplies must supply power to an in-building fire emergency voice/alarm communications fire alarm system for a minimum of ? of standby followed by ? of alarm? a. 24 hours / 5 minutes b. 24 hours / 15 minutes c. 48 hours / 5 minutes d. 48 hours / 15 minutes

b. 24 hours / 15 minutes

Ceiling-mounted spot-type heat detectors are installed so that the edge of the detector is at least ? from the wall. a. 2" b. 4" c. 6" d. 8"

b. 4"

A room that is 40 feet by 65 feet with a 10-foot-high joisted ceiling will be protected with heat detection. The joists are 12 inches deep and run in the 40-foot direction. The engineer specified heat detectors with a 50-foot listed spacing. How many heat detectors are required for this room? a. 6 b. 8 c. 10 d. 12

b. 8

The world's first public fire alarm reporting system was used in ? a. Baltimore b. Boston c. New York d. Washington, DC

b. Boston

The primary purpose of dwelling fire warning equipment or systems is ? a. heritage protection b. Life safety c. mission continuity d. property protection

b. Life safety

Smoke detectors that detect smoke by reflecting light from smoke particles onto a sensor are called ? smoke detectors a. ionization b. light-obscuration c. light-scattering d. particle-counting

c. light-scattering

Supervisory signal-initiating devices indicate a(n) ? . a. alarm b. fault in the wiring or power supply c. off-normal suppression system d. none of the above

c. off-normal suppression system

The safety system in the U.S. is comprised of which of the following? a. Codes and enforcement only b. Products, codes, and enforcement c. product standards, codes, standards, and enforcement d. testing laboratories, standards, and codes

c. product standards, codes, standards, and enforcement

The disconnecting means (branch circuit) for the primary power of a fire alarm system must be ? in color a. black b. orange c. red d. white

c. red

When activated, a valve tamper switch will produce a(n) ? signal? a. alarm b. guard's tour c. supervisory d. trouble

c. supervisory

A ? system usually requires the actuation of ? detector(s) to open the charging valve, which floods the sprinkler piping in the protected space. a. deluge / 4 b. dry-pipe sprinkler / 3 c. pre-action / 2 d. wet-pipe sprinkler / 1

c.pre-action/2

wiring between enclosures is not required to be monitored for integrity if the enclosures are less than ? apart and the wiring is ? a. 10' / exposed b. 20' / exposed c. 10' / installed in conduit d. 20' / installed in conduit

d. 20' / installed in conduit

Heat detectors should be selected to operate at least ? above the maximum expected ambient temperature in the protected space a. 5°F b. 10°F c. 15°F d. 20°F

d. 20°F

Generally, NFPA 72 does not permit smoke detector spacing to exceed a nominal ? on smooth and level ceilings. a. 15' b. 20' c. 25' d. 30'

d. 30'

The Code requires the maximum normal operating temperature limits for most fire alarm equipment to be between ? and ? a. 0°F / 100°F b. 0°F / 120°F c. 32°F / 100°F d. 32°F / 120°F

d. 32°F / 120°F

A fire alarm control unit performs which of the following functions? a. Provides graphical user interface b. provides monitoring of circuits c. Provides power to initiating devices d. All of the above

d. All of the above

Which of the following is considered an authority having jurisdiction for fire alarm systems? a. Electrical inspector b. fire marshal c. Insurance interest d. All of the above

d. All of the above

which of the following is an example of an installer who is "qualified and experienced," under the requirements of NFPA 72? a. Certified by state or local authority b. lMSA certified c. NICET certified d. All of the above

d. All of the above

Which of the following are considered primary functions of a fire alarm system? I. Actuation of emergency control functions II. Early detection of fires III. Notification of the fire department IV. Occupant notification V. Supervision of other systems a. II. only b. lI. and IV c. lI. and V d. All the above

d. All the above

Which circuit class is considered as "fail-safe"? a. Class A b. Class B c. Class C d. Class d

d. Class d

Which of the following conditions can result in a failure to monitor devices and circuits for integrity? a. Duplicate terminals b. Pigtails c. Return conductors d. T-tapping

d. T-tapping

vane- (paddle-) type waterflow switches can only be used on what type of system? a. CO suppression systems b. Dry-pipe sprinkler systems c. Pre-action sprinkler systems d. Wet pipe sprinkler systems

d. Wet pipe sprinkler systems

An emergency communications system (ECS) can be used to warn occupants of a ? . a. fire b. terrorist attack c. tornado d. all of the above

d. all of the above

Mechanical covers or mechanical protection for notification appliances may ? a. reduce the effectiveness of the appliance b. require derating of the appliance c. require reduced spacing of the appliances d. all of the above

d. all of the above

Total coverage is defined ? . a. and required by building codes b. and required by NFPA 72 c. by building codes but required by NFPA 72 d. by NFPA 72 but required by building codes

d. by NFPA 72 but required by building codes

Computer rooms are sometimes protected by ? . a. deluge sprinkler systems b. dry-pipe sprinklers c. foam systems d. gaseous suppression systems

d. gaseous suppression systems

NFPA 72 requires all equipment used in conformity with the Code to be ? for the purpose for which it is used a. connected b. identified c. listed d. manufactured

d. listed

fire alarm control equipment requires a smoke detector for protection when the controls are ? A. connected to a supervising station b. located in a fully sprinklered building c. located in a non-sprinklered building d. located in an area that is not continuously occupied

d. located in an area that is not continuously occupied

The first detector was made commercially available in the 1960s? a. air-sampling smoke b. heat c. pneumatic tube-type heat d. smoke

d. smoke

On a sloping ceiling, beams run up the slope and are 14 inches deep. The average ceiling height is 15 feet. According to NFPA 72, the smoke detector spacing should be ? a. a detector in every pocket b. reduced by 1/2 parallel to the beams c. reduced by 1/2 perpendicular to the beams d. smooth ceiling spacing

d. smooth ceiling spacing

The type of audible appliance used on emergency voice/alarm communications systems is a ? . a. bell b. horn c. siren d. speaker

d. speaker

Central, proprietary, and remote are all examples of ? systems. a. emergency communications b. emergency monitoring c. public emergency reporting d. supervising station

d. supervising station

Opens and grounds on a fire alarm circuit will result in a(n) ? signal. a. alarm b. guard's tour c. supervisory d. trouble

d. trouble

is/are most commonly used to protect buildings? a. Deluge systems b. Dry-pipe sprinklers c. pre-action d. Wet-pipe sprinklers

d. wet pipe sprinklers

A visible notification appliance (strobe) that is only listed for wall mounting can be used on a ceiling - true -false

false

It is permitted to install smoke detectors in an ambient temperature of 115°F - true - fasle

false

Match the definition with the term (Trouble, Alarm, supervisory) indicates a fault in wiring, power supply of communications Indicates a life-threatening (emergency) condition Indicates an impaired or off-normal suppression system May indicate actuation of a duct smoke detector

indicates a fault in wiring, power supply of communications (TROUBLE) Indicates a life-threatening (emergency) condition (ALARM) Indicates an impaired or off-normal suppression system (supervisory) May indicate actuation of a duct smoke detector (supervisory)

------ were developed to protect large open areas? a. Air-sampling smoke detectors b. Projected beam smoke detectors c. Single-station smoke alarms d. spot-type smoke detectors

b. Projected beam smoke detectors

Which of the following documentation must be provided to the authority having jurisdiction at the completion of a fire alarm installation? a. record of certification b. Record of completion c. Record of documentation d. Record of installation

b. Record of completion

Notification appliances commonly use a(n) ? to prevent monitoring current to pass through the notification appliances. a. band pass filter b. blocking diode c. end-of-line capacitor d. end-of-line resistor

b. blocking diode

Signaling line circuits monitor for integrity by ? a. end-of-line supervision b. interrogating field devices c. monitoring current d. return conductors

b. interrogating field devices

Which of the following devices will create an alarm signal when actuated? (check site for imagies ) (https://docs.google.com/document/d/19sIDqIo7_SuEF6ZKVraY3h2OmaADrkGIb-qG_81Bak4/edit) a. I., II., and III. b. l., II., and IV c. I., III., and IV d. All of the above will cause an alarm signal.

b. l., II., and IV

fire alarm systems produce which of the following signals? l. Alarm II. Monitoring III. Security IV. Supervisory V. Trouble a. l., III., and V b. l., IV., and V c. lI., III., and V d. lI., IV., and V

b. l., IV., and V

single- and multiple-station smoke alarms for dwellings are only used for? a. heritage protection b. life safety c. mission continuity d. property protection

b. life safety

Codes usually contain ? -based requirements, while standards usually contain ? requirements a. installation / occupancy b. occupancy / installation c. occupancy / use d. use / occupancy

b. occupancy / installation

Supervising stations that only monitor property owned by the supervising station operator are called ? a. central supervising stations b. proprietary supervising stations c. protected premises systems d. remote supervising stations

b. proprietary supervising stations

The time difference between the ceiling temperature and the sensing element reaching the same temperature is called ? . a. response time index b. thermal lag c. thermal response characteristic d. time-delay response

b. thermal lag

A room that is 45 feet by 65 feet, with a 19-foot-high smooth ceiling will be protected with heat detection. The engineer specified heat detectors with a 30-foot listed spacing. How many heat detectors are required for this room? a. 6 b. 8 c. 10 d. 12

b.8

for a protected premises (local) system, the system standby (quiescent) load is 350 milliamperes and the alarm load is 1.100 amperes. What is the required capacity of a battery used for the secondary power supply? a. 1.79 A/hr b. 8.58 A/hr c. 10.19 A/hr d. 17.16 A/hr

c. 10.19 A/hr

Rate-of-rise heat detectors usually operate when the temperature rise is ? per minute a. 10-15°F b. 10-20°F c. 12-15°F d. 15-20°F

c. 12-15°F

Section ? of NFPA 72 requires all circuits to be monitored for integrity a. 10.17.1 b. 12.3 c. 12.4 d. 12.6

c. 12.4

The Americans with Disabilities Act (ADA) became law in the ? a. 1970s b. 1980s c. 1990s d. 2000s

c. 1990s

Upon detection of a trouble condition, fire alarm system controls must initiate a trouble signal within ? . a. 100 seconds b. 150 seconds c. 200 seconds d. 300 seconds

c. 200 seconds

A smoke detector is required in each beam pocket where the beam depths are greater than ? of ceiling height and the width between beams is equal to or greater than ? of the ceiling height a. 10%/10% b. 10% / 40% c. 40%/ 10% d. 40%/ 40%

c. 40%/ 10%

Heat detectors located on a smooth ceiling that is 19 feet in height must be reduced to ? of their listed spacing. a. 52% b. 58% c. 64% d. 71%

c. 64%

waterflow switches are permitted to have a time delay, or retard, up to ? a. 30 seconds b. 60 seconds c. 90 seconds d 120 seconds

c. 90 seconds

Which of the following circuits is not required to be monitored for integrity? a. Class A b. Class B c. Class E d. Class X

c. Class E

Which of the following types of circuits will require an EOL? a. Class A b. Class X c. IDC d. SLC

c. IDC

Which of the following types of notification appliances are frequently used to alert occupants? I. FACU display II. Horns III. Printers IV. Speakers V. Strobes a. l., II., and V b. lI. and V c. II., IV., and V d. lII. only

c. II., IV., and V

Which of the following are types of fire alarm circuits? a. NAC, ICD, SLC b. NAC, IDC, SCL c. NAC, IDC, SLC d. NCA, IDC, SLC

c. NAC, IDC, SLC

Which of the following is not one of the three primary fire protection elements for providing fire protection in a building? A. Containment B. Detection and alarm c. Reporting d. suppression

c. Reporting

Which of the following circuit types is addressable? a. IDC b. NAC c. SLC d. SLD

c. SLC

Initiating device circuits and notification appliance circuits monitor for integrity by ? . a. a small current through the circuit b. blocking diodes c. device polling d. interrogation

a. a small current through the circuit

Water level switches are ? initiating devices a. alarm b. guard's tour c. supervisory d. trouble

c. supervisory

the National Fire Protection Association was founded in ? . A. 1893 B. 1894 C. 1895 d. 1896

d. 1896

Pressure supervisory switches on a dry-pipe sprinkler system must indicate ? from nominal pressure a. 5 psi b. 10 psi c. 15 psi d. 20 psi

d. 20 psi

Which of the following is considered an emergency safety control function? a. Door unlocking b. Elevator recall c. elevator shutdown d. All of the above

d. All of the above

Match the circuit description to its type (class n, class d, class a, class b, class e, class x) Redundant Ethernet/Network Circuit Fail safe capability Not monitored for integrity Requires a redundant pathway and must operate beyond a single open, short circuit, or ground fault Requires a redundant pathway and must operate beyond a single open or ground fault

Redundant Ethernet/Network Circuit ( class N) Fail safe capability ( class D) Not monitored for integrity ( class e) Requires a redundant pathway and must operate beyond a single open, short circuit, or ground fault (Class x) Requires a redundant pathway and must operate beyond a single open or ground fault ( class A)

All devices on signaling line circuits have unique addresses? - true - false

true

Total coverage includes inaccessible combustible areas - True - false

true