Fire Protection Systems

The early-suppression fast-response type sprinkler head is specially designed to react ______ times faster than traditional sprinklers. A. 5-10 B. 2-3 C. 4-7 D. 11-20

A. 5-10

In a cross-zoned smoke detection system, what must happen after the activation of a detector before the actual alarm will sound? A. A second detector must activate. B. A human must manually activate the alarm. C. The detector must continue reverting to alarm after three attempts at auto-reset. D. A sprinkler head must also be activated and flow water.

A. A second detector must activate.

Which extinguishing agent is generally used in total flooding or specialized systems? A. Carbon dioxide B. Pressurized air C. Powder D. Purple K

A. Carbon dioxide

Which is a common type of automatic alarm system? A. Central Station Protective Signaling B. Dry Signal Protective C. Chemical Reaction D. Cell Phone Initiated

A. Central Station Protective Signaling

Which cause reduction of a sprinkler system's effectiveness? A. Excessive sediment in the pipes C. Height of building B. Extra pump pressure D. Pumping into the system

A. Excessive sediment in the pipes

Which statement regarding the hose provided with a Class II standpipe system is correct? A. Hose provided should not be used. B. Hose provided may be large diameter C. Firefighters can use hose provided without concern. D. The nozzle provided may be used in place of fire department nozzle.

A. Hose provided should not be used.

Which is the preferred water source for a sprinkler system? A. Municipal water supply B. On-site storage tanks C. Static water sources D. Fire pump

A. Municipal water supply

Commercial photoelectric beam smoke detectors respond to a certain diminishment in the intensity of the light beam at the receiving end. What is the term for how much of the light is being blocked? A. Obscuration rate C. Obfuscation rate B. Rate of diffusion D. Rate of diffraction

A. Obscuration rate

Which sprinkler head is designed to be mounted on the underside of the sprinkler piping only? A. Pendant B. Upright C. Inverted D. Sidewall

A. Pendant

Which should be used as a control valve for an automatic sprinkler system? A. Post indicator valve B. Clapper C. Siamese valve D. Gate valve

A. Post indicator valve

Classifications of sprinkler systems include: A. Preaction B. Full flow C. Local application D. External-supply

A. Preaction

Which is considered to be an automatic initiating device? A. Smoke detector B. Double-action pull-station С. Tamper alarm D. Single-action pull station

A. Smoke detector

Which statement is correct? A. Sprinkler systems are designed to automatically distribute water to extinguish or control the spread of fires. B. Most sprinkler heads detect the heat of a fire and begin to apply water from every sprinkler head. C. Sprinkler systems are not efficient. D. Deluge type heads are heat-sensitive devices that react to a fixed temperature.

A. Sprinkler systems are designed to automatically distribute water to extinguish or control the spread of fires.

Directions: Read the statements below. Select the correct answer from alternatives A-D below. Statement 1: The typical rating for sprinkler heads in light hazard occupancy is 165 F Statement 2: It is acceptable to use a pendant-type sprinkler head in the upright position. Sprinkler heads are color coded by their temperature ratings. Statement 3: Sprinkler heads are color coded by their temperature ratings. A. Statements 1 and 3 are true; statement 2 is false. B. Statement 1 is true; statements 2 and 3 are false. C. Statement 1 is false; statements 2 and 3 are true. D. All three statements are true.

A. Statements 1 and 3 are true; statement 2 is false.

Which sprinkler system component is used as an alternative to locking a main control valve in the open position? A. Tamper switch C. Fire Department Connection B. Check valve D. Alarm valve

A. Tamper switch

What does the W stand for in WPIV( ______ post indicator valve)? A. Wall B. Water C. Waiting D. Wrapped

A. Wall

A sprinkler deflector creates: A. a spray pattern. B. steam. C. a fine mist. D. a solid stream.

A. a spray pattern.

On a wet-pipe sprinkler system, the __________ is open to test the alarm without unseating the alarm check valve. A. alarm test valve B. 2-inch drain D. inspector's test connection C. main control valve

A. alarm test valve

During fire safety surveys, one of the most common non-fire related hazards discussed with the occupants is: A. carbon monoxide. C. driving under the influence. B. radon testing. D. hurricane roof tie down.

A. carbon monoxide.

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 only during the construction phase.

A. discharge water directly on the fire while it is still small.

The normal type of sprinkler system used where there is a risk of the system freezing is a A. dry system. C. residential system. B. wet system. D. COz system.

A. dry system.

A retard chamber is a component of a sprinkler system that: A. helps prevent false alarms. B. prohibits sprinkler actuation. C. absorbs excess water damage. D. connects to the primary feeder.

A. helps prevent false alarms.

The part of a fire alarm system which causes the system to indicate an alarm is: A. initiation device. C. annunciation device. B. notification device. D. suppression device.

A. initiation device

Firefighters expect to find flame detectors in: A. specialized industrial facilities. C. lumber yards. B. hospitats. D. auto-storage facilities.

A. specialized industrial facilities.

A _____ is commonly used to stop water from flowing from a sprinkler head. A. wedge B. pipe wrench C. halligan D. rubber pellet

A. wedge

The simplest sprinkler system in design and operation is the _______ system. A. wet pipe B. deluge C. dry pipe D. preaction

A. wet pipe

The correct temperature rating for a sprinkler color coded green is: A. 250-300 degrees. B. 400-475 degrees. C. 325-375 degrees. D. 175-225 degrees.

B. 400-475 degrees.

A fire department connection is nothing more than a A. Gate valve B. Clapper valve C. Quarter-turn couplings D. Cap

B. Clapper valve

Which sprinkler system components is used to limit water flow to one direction? A. OS&Y valve C. Control valve B. Clapper/check valve D. Butterfly valve

B. Clapper/check valve

Which device is used as a release mechanism in sprinkler heads? A. Wood pellets C. Glass bulbs (gas) B. Frangible (liquid) D. Computerized links

B. Frangible (liquid)

Which is considered to be an alarm initiating device? A. Water detector B. Photoelectric detector C. Chemical detector D. Remote detector

B. Photoelectric detector

What is the type of heat detector called which activates if the temperature of the surrounding air rises more than a set amount in a given period of time? A. Closed-chamber heat detector C. Open-chamber heat detector B. Rate-of-rise heat detector D. Variable-threshold heat detector

B. Rate-of-rise heat detector

A fire department sprinkler connection consists of a _______ with at least ____ 2-1/2" female connections. A. clappered Siamese, three C. gated wye, two B. Siamese, two D. post indicator valve, two

B. Siamese, two

What is the most common type of residential fire alarm system? A. Remote-reporting heat detector C. Sprinkler system B. Single-station smoke alarm D. X-10 detector

B. Single-station smoke alarm

Which statement regarding residential sprinklers is correct? A. They are smaller versions of wet or dry-pipe sprinkler systems. B. The water supply can be connected to the domestic system. C. The use of steel pipe is required. D. They are designed to control the level of fire involvement after a flashover has occurred.

B. The water supply can be connected to the domestic system.

In a dry-pipe sprinkler system, the air-pressure gauge is located ______ the clapper valve and the water-pressure gauge is located _______ the clapper valve. A. to the left side; to the right side of B. above; below C. below; above D. to the right side; to the left side

B. above; below

The control valve on a sprinkler system should be closed: A. as soon as the fire department arrives. B. after ensuring the fire is out or completely under control. C. prior to advancing hoselines into fire area. D. when building occupants decide fire is out.

B. after ensuring the fire is out or completely under control.

Fixed-temperature heat detectors: A. cannot be used as part of a suppression system. B. are slow to activate. C. are expensive to install and operate. D. are responsible for most false alarms.

B. are slow to activate.

When a manual fire alarm initiation switch requires two separate steps to initiate the alarm, that type of device is called a: A. two-tier activation switch. C. two-stage patrol box. B. double-action pull-station. D. tamper-resistant sender.

B. double-action pull-station.

The control valve for a sprinkler system may be located at the system or outside the building. This valve should be a(n) ____________ valve. A. check B. indicating-type C. inspector's test D. quarter-turn

B. indicating-type

The backflow preventer or clapper valve: A. prevents water from entering the system. B. prevents water from reentering the public water supply. C. prevents water from entering noninvolved areas. D. protects the system from water surges.

B. prevents water from reentering the public water supply.

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

Every sprinkler system should be equipped with a main control valve located between the: A. riser and the branches. B. source of water supply and the sprinkler system. C. cross mains and the riser. D. fire department connection and the riser.

B. source of water supply and the sprinkler system.

Dry pipe systems are used in: A. conjunction with dry-pendant sprinkler heads. B. unheated buildings. C. conjunction with an anti-freeze loop. D. buildings where rapid activation is required.

B. unheated buildings

The correct temperature rating for a sprinkler color coded blue is: A. 325-375 degrees. B. 175-225 degrees. C. 250-300 degrees. D. 400-475 degrees.

C. 250-300 degrees

Which is one of the functions sprinkler heads perform? A. Notify occupants of the fire B. Auto-restore when the fire is out C. Activate the system D. Report any trouble in the system

C. Activate the system

How does a deluge system differ from other types of sprinkler systems? A. All sprinkler heads are closed. B. It is installed in walls not ceilings. C. All sprinkler heads are open. D. It has a double check valve.

C. All sprinkler heads are open.

____________ systems remain the most reliable of all fire protection devices. A. Foam B. Dry chemical C. Automatic sprinkler D. Standpipe

C. Automatic sprinkler

What does a frangible bulb do in a sprinkler head? A. Direct the water flow into a flower pattern B. Regulate the pressure of the water flow C. Break at a certain temperature D. Enhance appearance only

C. Break at a certain temperature

What type of standpipe is intended primarily for fire department use only? A. Type Il B. Level D C. Class I D. Group 5

C. Class I

What type of fire alarm annunciation system identifies the zone in which the alarm was initiated both at the alarm control panel and through the audio notification device? A. Zoned B. Wired C. Coded D. Central

C. Coded

Which is a type of sprinkler system? A. Auxiliary activated B. Post action C. Deluge D. Partial flooding

C. Deluge

In which position should pendant-type sprinkler heads be used? A. Sidewall B. Upright C. Downward D. Any position

C. Downward

Which allows the fire department to supplement the water flow in an operating sprinkler system? A. Gate valve C. Fire Department Connection B. Clapper valve D. OS and Y valve

C. Fire Department Connection

Which is a release mechanism in a sprinkler head? A. Deluge B. Large volume C. Fusible link D. Pyrophoric action

C. Fusible link

Which type of detector is sensitive to sunlight? A. Ionization detector. B. Photoelectric detector. C. Infrared detector. D. Ultraviolet (UV) detector.

C. Infrared detector.

Which statement regarding a Class I standpipe system is correct? A. The system uses 3 inch outlets. B. It is designed for use by untrained building occupants. C. It is designed for use by the fire department. D. A single standpipe should flow a minimum of 500 gpm.

C. It is designed for use by the fire department.

Where are the main sprinkler system valves usually installed? A. Outside the building, coming up out of the ground, and then going back down underground B. Outside the building, coming up out of the ground on a post C. On the main riser, above the water supply control valve D. On the main riser, below the water supply control valve

C. On the main riser, above the water supply control valve

What type of smoke detector is sometime recommended for installation near cooking appliances and bathrooms to reduce false alarms? A. lonization B. Dual chamber C. Photoelectric D. Interconnected

C. Photoelectric

What are heat detectors called that are spaced throughout an occupancy with each detector covering a specific floor area? A. Sprinkler heads B. Stand-alones C. Spot detectors D. Soldiers

C. Spot detectors

Older heat detectors lack what feature that makes it difficult to track down the cause of an alarm? A. Color-coding of their activation thresholds B. Wide spaced combs C. Visual triggers that tell which device was activated D. Narrow spaced combs

C. Visual triggers that tell which device was activated

A post indicator valve (PIV) is: A. a device to speed the operation of the dry pipe valve by detecting the decrease in air pressure. B. designed to control the head pressure at the outlet of a standpipe system. C. a control valve that is mounted on a vertical case. D. a control valve that is mounted on a wall.

C. a control valve that is mounted on a vertical case.

Most check valves are marked by a(n) ________ indicating the direction of unrestricted flow. A. tag on the switch handle B. colored symbol on the handwheel C. arrow on the casting D. lettered sign

C. arrow on the casting

A standpipe system is designed to: A. automatically boost the pressure of the sprinkler system. B. reduce the pressure at non-operating sprinkler heads. C. deliver water to each floor of a building. D. be utilized only with Class II standpipe operations.

C. deliver water to each floor of a building.

When shutting down a wet-pipe sprinkler system, one should first turn off the main water control valve and: A. disable the alarm check valve. B. open the exhauster to drain the system. C. drain the system. D. elose all riser indieating valves

C. drain the system.

A rate-of-rise detector that responds to a rapid change in temperature is: A. manually activated. B. a type of auxiliary protective signal. C. faster to react than a fixed temperature detector. D. located by the annunciator panel.

C. faster to react than a fixed temperature detector.

Items found in the typical control room of a high-rise building may include a: A. fire pump. B. heating, ventilating, and air-conditioning switch. C. fire alarm panel. D. back-up power supply.

C. fire alarm panel.

Dry pipe systems are used: A. in areas where water supply is limited. B. in buildings that store valuable items. C. in applications where freezing temperatures occur. D. where rapid activation is required.

C. in applications where freezing temperatures occur.

The two basic types of smoke detectors are photoelectric and: A. rate of rise. B. fixed temperature. C. ionization. D. laser beam.

C. ionization.

The check valve and ball-drip valve or drain on the piping for the fire department connection are installed to: A. automatically notify the fire department of a water flow. B. insure the fire department is supplying the system. C. keep the fire department connection dry and prevent freezing. D. prevent water from flowing out of the fire department connection when only one hoseline is connected.

C. keep the fire department connection dry and prevent freezing.

What is the more common and less expensive type of smoke detector? A. Acoustic B. Magnetic C. lonization D. Photoelectric

C. lonization

Under normal circumstances, the air pressure gauge on a dry-pipe sprinkler system will read _______ the water pressure gauge. A. the same as B. higher than C. lower than D. almost double

C. lower than

A local protective signaling system is intended primarily to alert: A. the fire department dispatcher. C. occupants of the protected area. B. a private alarm contractor. D. the hotel desk clerk.

C. occupants of the protected area.

Upon receiving an alarm from a proprietary alarm system, the personnel staffing the central alarm point should: A. dispatch fire apparatus. B. leave their stations and investigate. C. reset the alarm. D. contact the appropriate agency.

C. reset the alarm.

According to National Fire Protection Association (NFPA) 13 and 13D, sprinkler cabinets in the sprinkler room should contain a sprinkler wrench and a minimum of _____ spare sprinkler heads. A. eight B. four C. six D. ten

C. six

A fire department connection to a sprinkler system enables firefighters to: A. connect handlines for attacking the fire. B. drain water from the system. C. supplement water supply. D. test the system.

C. supplement water supply.

When the water flow alarm sounds, this indicates that: A. water has stopped flowing in the system. B. heat detection devices have been activated. C. water is flowing in the system. D. a firefighter should turn the main sprinkler valve to the open position.

C. water is flowing in the system.

The correct temperature rating for a sprinkler color coded white is: A. 400-475 degrees. B. 325-375 degrees. C. 250-300 degrees. D. 175-225 degrees.

D. 175-225 degrees.

Fire department sprinkler connections typically consist of a siamese with at least two _______ connections. A. 3-inch female B. 2.5-inch male C. 3-inch male D. 2.5-inch female

D. 2.5-inch female

The required air pressure for dry-pipe systems above trip pressure is ____ psi. A. 5 B. 10 C. 15 D. 20

D. 20

In a pre-action sprinkler system, what else must happen in addition to a head being activated before water will flow? A. The alarm condition must persist for a set time. B. The preliminary mini-discharge must fail to put out the fire. C. Some physical shock must have occurred to the system. D. A secondary device must be activated.

D. A secondary device must be activated.

Which release mechanism is commonly used to activate a sprinkler? A. Roller links B. Valve cap C. Chemical bulb D. Chemical pellet

D. Chemical pellet

Which links initiation devices to the notification devices? A. Remote annunciator B. OS and Y valve C. Tamper switch D. Fire alarm system control panel

D. Fire alarm system control panel

Which type of alarm initiating device contains a small amount of radioactive material in its sensing chamber? A. Water detector C. Flame detector B. Photoelectric detector D. Ionization detector

D. Ionization detector

Can upright-type sprinkler heads be inverted for use in the hanging position? A. Yes, they are the same sprinkler. B. Yes, but the pressure must be reduced. C. Only temporarily until another upright sprinkler can be replaced. D. No, not at any time.

D. No, not at any time.

Some newer wet-pipe sprinkler systems are referred to as straight sticks because they have a backflow preventer instead of a(n): A. fire department connection. C. OS&Y valve. B. main control valve. D. alarm check valve

D. alarm check valve

A sprinkler head with a temperature rating of 135°-170°F would be: A. orange. B. red. C. white. D. either uncolored or black.

D. either uncolored or black.

A detection device that is usually electrically operated with a bimetallic strip of two metals that expand at different rates is a(n): A. carbon monoxide detector. C. photoelectric smoke detector. B. ionization smoke detector. D. heat detector.

D. heat detector.

The preferred water source for a sprinkler system is a: A. private pressure tank. B. private non-pressure static supply. C. elevated water supply cistern. D. municipal water system.

D. municipal water system

In a fire situation, the main sprinkler control valve should be closed: A. as soon as no more smoke is showing. B. when it appears that excessive water damage may occur from further use. C. as soon as a pumper hooks up to the fire department connection. D. only after the officer in charge has ordered the valve closed.

D. only after the officer in charge has ordered the valve closed.

The full name of an OS&Y valve is _______ valve. A. open stem and yoke C. outside shield and yoke B. outside, shut, and yoke D. outside stem and yoke

D. outside stem and yoke

Residential sprinkler systems are wet or dry-pipe systems. The recommended piping for these systems is constructed of: A. lead. C. brass B. ductile iron. D. plastic.

D. plastic

To control costs, the piping for residential sprinkler systems may be constructed of: A. lead. B. ductile iron. C. steel. D. plastic.

D. plastic

Every sprinkler system should have a primary water supply of adequate reliability, volume, and: A. capacity. B. size. C. quality. D. pressure.

D. pressure.

A _______system is used to protect large commercial and industrial buildings and is staffed and supervised on the property. A. central station C. remote B. local protective D. proprietary

D. proprietary

An example of a manually activated fire alarm component is a A. thermally sensitive device. B. flame detector. C. water flow detector. D. pull station.

D. pull station.

A(n)__________ detector is one that responds to sudden changes in temperature A. disk thermostat B. photoelectric C. ionization D. rate-of-rise

D. rate-of-rise

A sprinkler system water supply must be capable of delivering the required volume of water to the highest sprinkler in the building at a _____ pressure of ___ psi A. static, 30 B. static, 15 C. residual, 30 D. residual, 15

D. residual, 15