Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
458 Cards in this Set
- Front
- Back
|
Alert occupants to hazardous conditions, smoke, or changing fire conditions by automatic and manual fire alarm equipment. |
Fire detection systems |
|
|
Control and contain hazardous conditions until manual suppression can be achieved. |
Fire suppression systems |
|
|
The first fire alarm was installed when? |
1851 |
|
|
What are the three “E’s” of prevention? |
Education Engineering Enforcement |
|
|
Richard Nixon’s convened on the National Commission and the commission produced the famous report entitled what? |
America Burning |
|
|
Richard Nixon’s convened on the National Commission and the commission produced the famous report entitled what? |
America Burning |
|
|
What is used to establish minimum requirements for the design and construction of buildings, structures, and facilities? |
Standards and Codes |
|
|
What is used to establish minimum requirements for the design and construction of buildings, structures, and facilities? |
Standards and Codes |
|
|
Building and fire codes are adopted in what two ways? |
Transcription Reference |
|
|
When was the ICC established? What is it used for? |
1994 Develops codes used to constructed residential and commercial buildings. |
|
|
What is the independent, not-for-profit product certification organization that has been testing products and writing standards since 1894? |
(UL) Underwriters Laboratories INC |
|
|
Which property insurance company works to provide property improvements for business owners to prevent risk? |
FM Global |
|
|
NFPA states that a properly installed and maintained automatic sprinkler system will recur the average property loss from fierce by what? |
1/2 - 2/3 |
|
|
According to USFA, property losses are what percentage less in buildings that are protected with fire sprinklers compared to those without? |
85% |
|
|
The combination of automatic sprinklers and early warning systems in all buildings and residences could reduce injuries, loss of life, and property damage by what percent? |
50% |
|
|
Which three recognized testing laboratories should test the components of a system to ensure operational reliability? |
Underwriters Laboratory INC FM Global Intertek |
|
|
NFPA 70 |
National Electric Code |
|
|
NFPA 72 |
National Fire Alarm and Signaling Code |
|
|
For a power supply, one of the many generators has to be set to what for fire alarms? |
Automatic starting |
|
|
What are the most common types of alarm-signaling systems used for signaling a fire alarm in a structure? |
Audible notification signaling |
|
|
What four notification appliances fall under? |
Audible Visual Textual Tactile |
|
|
A warning of a fire emergency or dangerous condition that demands immediate attention is what type of signal? |
Alarm signal |
|
|
This type indicates an off-normal condition of the complete fire protection system. Used to monitor the integrity of the fire protection features of the system is what type of signal? |
Supervisory signal |
|
|
This signal indicates a problem with a monitored circuit or component of the fire alarm system or the system’s power supply is what signal? |
Trouble signal |
|
|
A trouble signal indicates a problem with what? |
Fire detection and alarm system |
|
|
A trouble signal indicates a problem with what? |
Fire detection and alarm system |
|
|
A supervisory alarm indicates a problem with what? |
An accessory of the fire alarm system |
|
|
Early studies indicate a what percent increase in lives saved when residential smoke alarms were installed? |
35% |
|
|
Early studies indicate a what percent increase in lives saved when residential smoke alarms were installed? |
35% |
|
|
Early studies indicate a what percent reduction in property damage from fire when residential smoke alarms were installed? |
80% |
|
|
Residential fires account for what percent of all fire deaths? |
78% |
|
|
What percentage of homes have smoke alarms? |
96% |
|
|
According to the CDC more than how many Americans die from unintentional CO poisoning? |
400 |
|
|
What are the two most common smoke alarms? |
Single Multi-station |
|
|
Carbon monoxide becomes a health hazard at what levels? |
Above 150ppm |
|
|
Carbon monoxide is immediately dangerous to life and health at what levels? |
Above 1,200ppm |
|
|
Newer smoke alarms can detect Carbon monoxide levels at what? |
Above 70ppm |
|
|
- Simplest type of protected premise alarm. -FACU not capable of identifying which initiated evict triggered the alarm. -When alarm sends signal to FACU, all alarms operate continuously until FACU is reset |
Conventional Alarm System |
|
|
A fire alarm system that annunciation and enable responders to identify the general location (zone) of alarm device. |
Zoned Conventional Alarm System |
|
|
-Display the location of each initiating device on the FACU and an annunciation panel if provided -Firefighters can pinpoint the specific device that has been activated -Personnel can quickly repair and locate malfunctions in the system |
Addressable Alarm System |
|
|
What are types of supervising station systems ? |
Auxiliary alarm system Proprietary system Central station system Remote receiving system |
|
|
What is only permitted on a shunt system for fire suppression? |
Manual pull stations and water flow detection devices. |
|
|
-Used to protect large commercial and industrial buildings, high rise, colleges, and industrial complexes -receiving point must be in a separate structure |
Proprietary Systems |
|
|
-Listed supervising station that monitors that status of protect premise alarm systems and provides inspection, testing, maintenance, and runner services through contract. |
Central Station System |
|
|
-Listed supervising station that monitors that status of protect premise alarm systems and provides inspection, testing, maintenance, and runner services through contract. |
Central Station System |
|
|
The runner must be a qualified technician for central station system and must respond within how many hours for an alarm or supervisory condition? How many hours for a trouble condition? |
2 hours 4 hours |
|
|
-A listed supervising station that monitors the status of protected premise alarm systems through contracted services -Do not provide inspection, testing, maintenance, or runner services. |
Remote Receiving Station |
|
|
A one way voice notification system warns building occupants that action is needed and tells them what action to take is what type of system? |
Voice notification systems |
|
|
A one way voice notification system warns building occupants that action is needed and tells them what action to take is what type of system? |
Voice notification systems |
|
|
Two-way emergency communication system allows people, such as EMS at other locations in the building to communicate with the person a fire command center using intercom controls, or telephone. |
Two-Way Communication System |
|
|
All new fire alarm systems having more than one floor or floor area greater than what will require a zoned indicator panel. |
22,500 ft2 |
|
|
Pull stations should be mounted on walls or columns so the operable part is no less than how many feet from floor and no higher than how many feet? |
3.5ft No more than 4 ft |
|
|
Pull stations should be mounted on walls or columns so the operable part is no less than how many feet from floor and no higher than how many feet? |
3.5ft No more than 4 ft |
|
|
Travel distances to a pull station should not exceed how many feet? |
200 feet |
|
|
Pull stations must also be placed within how many feet from an exit? |
5 feet |
|
|
Pull stations must also be placed within how many feet from an exit? |
5 feet |
|
|
Most building codes do not require manual initiating devices in structures that have what established? |
An automatic sprinkler system and a device that sounds a local alarm when water begins to flow. |
|
|
Pull stations must also be placed within how many feet from an exit? |
5 feet |
|
|
Most building codes do not require manual initiating devices in structures that have what established? |
An automatic sprinkler system and a device that sounds a local alarm when water begins to flow. |
|
|
-Slowest to activate under fire conditions -not typically resettable and must be replaced after activation |
Fixed temperature heat detectors |
|
|
Pull stations must also be placed within how many feet from an exit? |
5 feet |
|
|
Most building codes do not require manual initiating devices in structures that have what established? |
An automatic sprinkler system and a device that sounds a local alarm when water begins to flow. |
|
|
-Slowest to activate under fire conditions -not typically resettable and must be replaced after activation |
Fixed temperature heat detectors |
|
|
At what temperature do fixed-temperature heat detectors sound their alarm? |
135 degrees or higher |
|
|
-Used to hold a spring device in the detector in the open position -fusible link is melted, then spring makes contact with an electrical component and sends signal |
Fusible Elements |
|
|
-Used to hold a spring device in the detector in the open position -fusible link is melted, then spring makes contact with an electrical component and sends signal -Fusible link must be replaced |
Fusible Elements |
|
|
-Heat detector uses two types of metal with different heat expansion ratios -One metal expands faster than the other and causes combined strip to arch when subject to heat sending the signal -automatic resetting type if not damaged |
Bimetallic |
|
|
-Used to detect conditions over a wide area -heat detection operates by either increase in electrical resistance through a circuit or a short in the circuit |
Continuous Line |
|
|
Rate of rise heat detectors are designed to send a signal when the rise in temperature exceeds what? |
12-15 degrees per minute |
|
|
Rate of rise heat detectors are designed to send a signal when the rise in temperature exceeds what? |
12-15 degrees per minute |
|
|
The tubing in Pneumatic rate-of-rise line heat detector is limited to how many feet in length? Tubing should be arranged inn rows no more than how many feet? |
1,000 feet
30 feet |
|
|
What percentage of fire deaths is attributed to smoke inhalation and not to burns? |
65% |
|
|
Fire gas detectors are most commonly found where? |
Refineries, chemical plants, and areas of electronic assembly |
|
|
Who should witness acceptance testing in a building? |
Representatives of the building owner Fire department System installer |
|
|
Who should witness acceptance testing in a building? |
Representatives of the building owner Fire department System installer |
|
|
Owner of building should have record of all detector records for the last how many years? |
5 years |
|
|
Who should witness acceptance testing in a building? |
Representatives of the building owner Fire department System installer |
|
|
Owner of building should have record of all detector records for the last how many years? |
5 years |
|
|
A non restorable fixed temperature detector cannot be test periodically and must be tested how many years after service? |
15 years |
|
|
Who should witness acceptance testing in a building? |
Representatives of the building owner Fire department System installer |
|
|
Owner of building should have record of all detector records for the last how many years? |
5 years |
|
|
A non restorable fixed temperature detector cannot be test periodically and must be tested how many years after service? |
15 years |
|
|
If any systems use a backup electrical generator for emergency power, the generators should run under load monthly for how many minutes? |
30 minutes |
|
|
Water is is considered to weigh how much? |
62.4 lbs/ft3 8.34 pounds per gallon |
|
|
Water is is considered to weigh how much? |
62.4 lbs/ft3 8.34 pounds per gallon |
|
|
Each pound of water requires how many BTUs of additional energy to completely convert into steam? |
970 BTU |
|
|
Water is is considered to weigh how much? |
62.4 lbs/ft3 8.34 pounds per gallon |
|
|
Each pound of water requires how many BTUs of additional energy to completely convert into steam? |
970 BTU |
|
|
Most flammable liquids have a specific gravity of what? |
Less than 1 |
|
|
At 212degrees Fahrenheit, water expands approximately how many times its original volume? |
1,700 times |
|
|
One inch 2 column of water 1-foot high exerts pressure of how much psi? |
0.434 psi |
|
|
Fluid pressure is perpendicular to any surface on which it acts. |
First Principle |
|
|
Fluid pressure at a point in a fluid at rest is the same intensity in all directions. |
2nd Principle |
|
|
Fluid pressure at a point in a fluid at rest is the same intensity in all directions. |
2nd Principle |
|
|
Pressure applied to a confined fluid is transmitted equally in all directions |
Third Prinicple |
|
|
Fluid pressure at a point in a fluid at rest is the same intensity in all directions. |
2nd Principle |
|
|
Pressure applied to a confined fluid is transmitted equally in all directions |
Third Prinicple |
|
|
The pressure of a liquid in an open vessel is directly proportional to its depth |
Fourth Principle |
|
|
Fluid pressure at a point in a fluid at rest is the same intensity in all directions. |
2nd Principle |
|
|
Pressure applied to a confined fluid is transmitted equally in all directions |
Third Prinicple |
|
|
The pressure of a liquid in an open vessel is directly proportional to its depth |
Fourth Principle of Pressure |
|
|
The pressure of a liquid in an open vessel is directly proportional to the density of the liquid |
Fifth Principle |
|
|
Fluid pressure at a point in a fluid at rest is the same intensity in all directions. |
2nd Principle |
|
|
Pressure applied to a confined fluid is transmitted equally in all directions |
Third Prinicple |
|
|
The pressure of a liquid in an open vessel is directly proportional to its depth |
Fourth Principle of Pressure |
|
|
The pressure of a liquid in an open vessel is directly proportional to the density of the liquid |
Fifth Principle |
|
|
The pressure of a liquid on the bottom of a vessel is independent of the shape of the vessel- regardless of the container’s shape and its opening. |
Sixth Prinicple |
|
|
At sea level, atmospheric pressure is what? |
14.7 psi |
|
|
As altitude increases, the atmospheric pressure? |
Decreases |
|
|
Friction loss increases as the length of hose or piping increases. |
1st Principle of friction loss |
|
|
Friction loss increases as the length of hose or piping increases. |
1st Principle of friction loss |
|
|
When the hoses or pipe are the same diameter, friction loss varies approximately with the square of the increase in the flow velocity. |
2nd Principle of friction loss |
|
|
Friction loss increases as the length of hose or piping increases. |
1st Principle of friction loss |
|
|
When the hoses or pipe are the same diameter, friction loss varies approximately with the square of the increase in the flow velocity. |
2nd Principle of friction loss |
|
|
For the same discharge, friction loss varies inversely to approximately the fifth power of the diameter of the hose or pipe. |
Third Principle of friction loss |
|
|
Friction loss increases as the length of hose or piping increases. |
1st Principle of friction loss |
|
|
When the hoses or pipe are the same diameter, friction loss varies approximately with the square of the increase in the flow velocity. |
2nd Principle of friction loss |
|
|
For the same discharge, friction loss varies inversely to approximately the fifth power of the diameter of the hose or pipe. |
Third Principle of friction loss |
|
|
When hoses or pipes are the same diameter, same length, and have the same flow, friction loss varies inversely with approximately the square of the coefficient of roughness for then pipe or hose. The higher, the coefficient of roughness, the less friction loss will be encountered. |
Fourth Principle of friction loss |
|
|
Friction loss increases as the length of hose or piping increases. |
1st Principle of friction loss |
|
|
When the hoses or pipe are the same diameter, friction loss varies approximately with the square of the increase in the flow velocity. |
2nd Principle of friction loss |
|
|
For the same discharge, friction loss varies inversely to approximately the fifth power of the diameter of the hose or pipe. |
Third Principle of friction loss |
|
|
When hoses or pipes are the same diameter, same length, and have the same flow, friction loss varies inversely with approximately the square of the coefficient of roughness for then pipe or hose. The higher, the coefficient of roughness, the less friction loss will be encountered. |
Fourth Principle of friction loss |
|
|
In addition to removing harmful elements from water, water treatment officials may add what to the water? |
Oxygen and fluoride |
|
|
Fire hydrant supply mains should be at least how many inches in diameter? |
6 inches |
|
|
Mains should be closely gridded by 8 inch or larger mains at intervals of no more than how many feet? |
600 feet |
|
|
Water main valves should be located on each branch at the intersection of the mains and no more than how many feet apart in high value areas? |
500 feet |
|
|
What are the most common types of valves used on most public water distribution systems? |
Nonindicating valve |
|
|
What are the most common types of valves used on most public water distribution systems? |
Nonindicating valve |
|
|
Control valves in water distribution systems can either be which type? |
Gate valves Butterfly valves |
|
|
Hydrants must deliver a minimum of how many GPMs at what residual pressure for how long? |
250 GPMs 20 psi residual pressure 2 hours |
|
|
Hydrants must deliver a minimum of how many GPMs at what residual pressure for how long? |
250 GPMs 20 psi residual pressure 2 hours |
|
|
In congested areas, it is recommended that hydrants are located every how many feet? |
300 feet |
|
|
Hydrants must deliver a minimum of how many GPMs at what residual pressure for how long? |
250 GPMs 20 psi residual pressure 2 hours |
|
|
In congested areas, it is recommended that hydrants are located every how many feet? |
300 feet |
|
|
Communities are given credit for those hydrants that are within how many feet of the property being protected? |
1,000 feet |
|
|
If the building is equipped throughout with an automatic fire sprinkler system, the distance requirement is how many feet for a hydrant? |
600 feet |
|
|
NFPA 13 |
Standard for the Installation of Sprinkler Systems |
|
|
What controls the overall size of the sprinkler zone? |
Hazard classification |
|
|
A minimum of how many minutes are sprinklers designed for a storage water supply when used? |
10 minutes |
|
|
For residential protection, what is the minimum GPMs for an individual sprinkler? |
18 GPM |
|
|
What is a major difference between residential sprinklers and standard sprinklers? |
A higher wall wetting requirement for residential sprinklers to prevent flashover |
|
|
What is a major difference between residential sprinklers and standard sprinklers? |
A higher wall wetting requirement for residential sprinklers to prevent flashover |
|
|
Class 1 Storage |
Noncombustible and stored on wood pallets in ordinary packaging. Commodities can be packaged in corrugated cardboard or stretch-wrapped as a unit load |
|
|
What is a major difference between residential sprinklers and standard sprinklers? |
A higher wall wetting requirement for residential sprinklers to prevent flashover |
|
|
Class 1 Storage |
Noncombustible and stored on wood pallets in ordinary packaging. Commodities can be packaged in corrugated cardboard or stretch-wrapped as a unit load |
|
|
Class 2 Storage |
Noncombustible commodities but packaged in wooden crates or multilayered cardboard cartons |
|
|
What is a major difference between residential sprinklers and standard sprinklers? |
A higher wall wetting requirement for residential sprinklers to prevent flashover |
|
|
Class 1 Storage |
Noncombustible and stored on wood pallets in ordinary packaging. Commodities can be packaged in corrugated cardboard or stretch-wrapped as a unit load |
|
|
Class 2 Storage |
Noncombustible commodities but packaged in wooden crates or multilayered cardboard cartons |
|
|
Class 3 Storage |
Combustible materials, such as wood, paper, or certain plastics, regardless of packaging |
|
|
What is a major difference between residential sprinklers and standard sprinklers? |
A higher wall wetting requirement for residential sprinklers to prevent flashover |
|
|
Class 1 Storage |
Noncombustible and stored on wood pallets in ordinary packaging. Commodities can be packaged in corrugated cardboard or stretch-wrapped as a unit load |
|
|
Class 2 Storage |
Noncombustible commodities but packaged in wooden crates or multilayered cardboard cartons |
|
|
Class 3 Storage |
Combustible materials, such as wood, paper, or certain plastics, regardless of packaging |
|
|
Class 4 Storage |
Class I, II, or III products that contain limited amounts of Group A Plastics. Plastics present a special fire control problem because they produce more heat per unit of weight than ordinary combustibles. |
|
|
Plastics Group A Fastest Burning |
Acrylic Polycarbonate Polyethylene Polystyrene |
|
|
Plastics Group A Fastest Burning |
Acrylic Polycarbonate Polyethylene Polystyrene |
|
|
Plastics Group B Moderate Burning |
Cellulose Acetate Ethyl Cellulose Nylon Silicone Rubber |
|
|
Plastics Group A Fastest Burning |
Acrylic Polycarbonate Polyethylene Polystyrene |
|
|
Plastics Group B Moderate Burning |
Cellulose Acetate Ethyl Cellulose Nylon Silicone Rubber |
|
|
Plastics Group C Slowest Burning |
Melamine Phenolic Polyvinyl Fluoride Urea Formaldehyde |
|
|
CMSA sprinklers are formerly called what? |
Large Drop Sprinklers |
|
|
CMSA sprinklers are formerly called what? |
Large Drop Sprinklers |
|
|
2 sprinklers are to be fed by what diameter pipe? |
1 inch |
|
|
CMSA sprinklers are formerly called what? |
Large Drop Sprinklers |
|
|
2 sprinklers are to be fed by what diameter pipe? |
1 inch |
|
|
Total of three sprinklers are to be fed by what diameter pipe? |
1 1/4 inch |
|
|
CMSA sprinklers are formerly called what? |
Large Drop Sprinklers |
|
|
2 sprinklers are to be fed by what diameter pipe? |
1 inch |
|
|
Total of three sprinklers are to be fed by what diameter pipe? |
1 1/4 inch |
|
|
Total of five sprinklers are to be fed by what diameter pipe? |
1 1/2 inch |
|
|
CMSA sprinklers are formerly called what? |
Large Drop Sprinklers |
|
|
2 sprinklers are to be fed by what diameter pipe? |
1 inch |
|
|
Total of three sprinklers are to be fed by what diameter pipe? |
1 1/4 inch |
|
|
Total of five sprinklers are to be fed by what diameter pipe? |
1 1/2 inch |
|
|
Total of 10 sprinklers are to be fed by what diameter pipe? |
1 1/2 inch |
|
|
What type of piping material is used for dry and preaction sprinkler systems? |
Galvanized pipe |
|
|
The only plastic pipe listed for sprinkler use is what? |
CPVC |
|
|
Sprinkler piping is usually what type of Schedule? |
Schedule 10 Schedule 40 |
|
|
Fire pumps cannot support what type of water main? |
Public water main |
|
|
What is a pipe that rises vertically and supplies a single sprinkler? |
Sprig |
|
|
What is a pipe that rises vertically and supplies a single sprinkler? |
Sprig |
|
|
What is a pipe that supplies water to each of the cross mains? |
Feed Main |
|
|
What is a pipe that feeds the branch lines? |
Cross main |
|
|
What are the three types of control valves? |
Ball valve Butterfly valve Gate valve |
|
|
What are the three types of control valves? |
Ball valve Butterfly valve Gate valve |
|
|
A ball valve can be used as a control valve as long as it cannot be closed in how many seconds? |
5 seconds |
|
|
What are the three types of control valves? |
Ball valve Butterfly valve Gate valve |
|
|
A ball valve can be used as a control valve as long as it cannot be closed in how many seconds? |
5 seconds |
|
|
These valves are small hand wheel-type valves that are primarily used on drains and test valves. They include inspector’s test valve which may be located near riser or remote location. |
Globe Valves |
|
|
These valves can be either manually operated or automatic and are provided as relief, drain, test, or air service valves. Relieve excess pressure, drain water, or vent air from the system. |
Auxiliary Valve |
|
|
This valve also known as ball drip valve, drain piping when pressure is relieved in the pipe. Most common application of these valves is to drain water from Siamese connections or FDC after use. |
Automatic Drain Valves |
|
|
These valves are used to limit the flow of water in one direction. They prevent recirculating or back flow of water from the sprinkler system into the municipal water supply. |
Check Valves |
|
|
What is the term that is used for pipe support attached to a structure? |
Hanger |
|
|
Hangers supporting sprinklers must be able to support how many times weight of a water filled pipe? |
Five times and an additional 250 lbs |
|
|
Where the water pressure exceeds what psi where the structure requires additional hangers and vertical lift restraints? |
100 psi |
|
|
Where the water pressure exceeds what psi where the structure requires additional hangers and vertical lift restraints? |
100 psi |
|
|
What protects sprinkler pipes against lateral and horizontal movements in the structure? |
Seismic Restraints and bracing |
|
|
What are the four main characteristics of sprinklers? |
Temperature ratings Response times Orifice diameter Deflector components |
|
|
Operating temperatures for sprinklers vary between what? |
135 - 650 degrees |
|
|
Ordinary room temperatures, sprinklers vary between what? |
135-170 degrees |
|
|
Blue sprinklers are rated for what temperatures? |
250-300 degrees |
|
|
Blue sprinklers are rated for what temperatures? |
250-300 degrees |
|
|
Sprinkler orifice range how large diameter? What is the most common? |
1/4 inch - 1 inch 1/2 inch is most common |
|
|
The lower the sprinkler’s RTI means what? |
The faster it responds |
|
|
What type of sprinkler is used in storage facilities that incorporate a protective disc that shields a heat sensing element from water that is discharged from the sprinklers above? |
In-Rack |
|
|
What type of sprinkler is engineered too combat the growing challenge associated with high rack storage facilities. They combine fast response with effective and efficient application of large quantities of water |
Early Suppression Fast Response (ESFR) |
|
|
Research indicates that 99% of fires are controlled with less than how many sprinklers activated? |
10 sprinklers |
|
|
Research indicates that 99% of fires are controlled with less than how many sprinklers activated? |
10 sprinklers |
|
|
There are two types of wet-pipe systems, which are they? |
Alarm check valve Water flow detecting alarm device |
|
|
Research indicates that 99% of fires are controlled with less than how many sprinklers activated? |
10 sprinklers |
|
|
There are two types of wet-pipe systems, which are they? |
Alarm check valve Water flow detecting alarm device |
|
|
Alarm check valves have the following in common |
Trim Clapper Drain valve |
|
|
Water flow switch device contains what? |
Vane or paddle that protrudes through water way |
|
|
Water flow switch device contains what? |
Vane or paddle that protrudes through water way |
|
|
Movement of water in a water flow switch device needs to be at a rate of what for it to initiate the alarm? |
10 GPM |
|
|
A collection chamber used on wet systems with alarm check valves whose function is to prevent false alarms due to water pressure surges? |
Retard Chamber |
|
|
What is the time delay on the water flow switch devices? |
30-90 seconds |
|
|
A dry pipe valve must be located in a heated portion of structure which must be maintained at minimum of how many degrees? |
40 degrees |
|
|
What type of gas reduces the rate of pipe corrosion? |
Nitrogen Gas |
|
|
What type of sprinkler systems must be manually reset after use? |
Dry-pipe system |
|
|
The air pressure in a dry-pipe system is maintained no more than what psi? |
20 psi |
|
|
What type of sprinkler system is designed to supply a large volume of water to a protected area? |
Deluge system |
|
|
What type of sprinkler system is recommended when it is important that the inadvertent release of water be minimized? |
Preaction Systems |
|
|
What type of sprinkler system is recommended when it is important that the inadvertent release of water be minimized? |
Preaction Systems |
|
|
When should a Preaction sprinkler system be supervised? |
When the system exceeds 20 sprinklers |
|
|
Foam concentrate is usually shipped in how many gallon buckets and how many gallon drums? |
5 gallon buckets 55 gallon drums |
|
|
Foam concentrate is usually shipped in how many gallon buckets and how many gallon drums? |
5 gallon buckets 55 gallon drums |
|
|
Concentrate of foam can also be stored in large fixed tanks that can hold how many gallons? |
500 gallons |
|
|
What is a Semifixed Type A system? |
The foam discharge piping is in place but is not attached to a permanent source of foam. Usually requires a fire brigade |
|
|
What is a Semifixed Type B System? |
Provides a foam solution source that is piped throughout the facility much like a water distribution system. |
|
|
What is a Semifixed Type B System? |
Provides a foam solution source that is piped throughout the facility much like a water distribution system. |
|
|
What is a Fixed Foam System |
Deluge system that applies total flooding or local application type. Unlimited water supplies. |
|
|
What type of Foam system is used for commercial and industrial applications designed for total flooding and local application? |
High-Expansion Foam |
|
|
Foam/Water system will flow foam and water after foam is depleted. This system delivers lean foam that expands how much when discharged from sprinkler? |
6-8 times expansion |
|
|
The smooth bore nozzle is limited to what applications? |
Class A CAFS |
|
|
The smooth bore nozzle is limited to what applications? |
Class A CAFS |
|
|
Tests indicate that the reach of a CAFS fire stream can be more than how much the reach of a low energy fire stream? |
Twice the reach |
|
|
The smooth bore nozzle is limited to what applications? |
Class A CAFS |
|
|
Tests indicate that the reach of a CAFS fire stream can be more than how much the reach of a low energy fire stream? |
Twice the reach |
|
|
What type of nozzle give the application more reach and produces high air content foam for gentle applications? |
Low-Expansion Foam Nozzle |
|
|
The fixed flow fog nozzle may be used with AFFF foams on hydrocarbon fires but should not be used on what type of fires? |
Polar solvents |
|
|
Standard sprinklers in service for more than how many years should be replaced or tested? |
50 years |
|
|
Quick response sprinklers should be replaced or tested every how many years? |
20 years |
|
|
How many inches of clearance shall be under sprinklers? |
18 inches |
|
|
What is a minimum clearance for CMSA and ESFR sprinklers? |
36 inches |
|
|
Inspections of wet-pipe systems should primarily be concentrated in these five areas? |
Valves Sprinklers Piping Water supply Water flow alarms |
|
|
In dry-pipe systems, the psi pressure should measure between what? |
5-20 psi |
|
|
The supervisory preaction system should be checked how often? |
Weekly |
|
|
Fire pump discharge pressure necessary to reach the top floor of a 50 story building may be between what in a standpipe? |
350-400 psi |
|
|
Class 1 standpipe is primarily used by? |
Firefighters |
|
|
Class 1 standpipe is primarily used by? |
Firefighters |
|
|
Class 2 standpipe is primarily used by who? |
Firefighters and residents |
|
|
Class 1 standpipe is primarily used by? |
Firefighters |
|
|
Class 2 standpipe is primarily used by who? |
Firefighters and residents |
|
|
Class 3 standpipe is the combination of? |
Class 1 and Class 2 standpipe |
|
|
Water supply for Class I and III should provide how much flow of water with residual pressure of what psi at most remote 2.5 inch outlet? |
500 GPMs 100 psi |
|
|
Water supply for Class I and III should provide water for how long with residual pressure of what psi at most remote 2.5 inch outlet? |
500 GPMs 100 psi 30 minutes |
|
|
Water supply for a Class II standpipe must provide how much flow at what psi for how long? |
250 GPMs 65 psi remote outlet 30 minutes |
|
|
Standpipes that are in a combined system must have a diameter of how much? |
6 inches |
|
|
Standpipe fire hose valves are required within covered mall buildings and roofs that have a slope of less than what percentage? |
33 percent |
|
|
There should be no are more than how many feet from a hose connection in a sprinklered building? |
200 feet |
|
|
There should be no more than how many feet from a hose connection in an unsprinklered building? |
150 feet |
|
|
There should be no more than how many feet from a hose connection in an unsprinklered building? |
150 feet |
|
|
Standpipe hose connections should be located between what height from floor level? |
3-5 feet |
|
|
Buildings with Class I and Class III systems may be required to have a 2.5 inch outlet where? |
On the roof |
|
|
Buildings with Class I and Class III systems may be required to have a 2.5 inch outlet where? |
On the roof |
|
|
Standards require a pressure regulating device at a hose outlet that exceeds what pressure for a 1.5 inch connection? |
100 psi |
|
|
Buildings with Class I and Class III systems may be required to have a 2.5 inch outlet where? |
On the roof |
|
|
Standards require a pressure regulating device at a hose outlet that exceeds what pressure for a 1.5 inch connection? |
100 psi |
|
|
Standards require a pressure regulating device at a hose outlet that exceed what pressure for a 2.5 inch connection? |
175 psi |
|
|
Dry sprinkler systems are test every how many years? |
5 years |
|
|
Standards requires that a test in which water is discharged through hoses be conducted once every how many years? |
3 years |
|
|
Standards requires that a test in which water is discharged through hoses be conducted once every how many years? |
3 years |
|
|
Fire pumps should be installed within a how many hour rated enclosure so that they can function as necessary in the event of a fire? |
2 hour rating |
|
|
Standards requires that a test in which water is discharged through hoses be conducted once every how many years? |
3 years |
|
|
Fire pumps should be installed within a how many hour rated enclosure so that they can function as necessary in the event of a fire? |
2 hour rating |
|
|
This type of pump works on the principle that when Pressure is applied to a confined liquid, the same pressures is equally transmitted to all directions. |
Positive displacement pump |
|
|
Standards requires that a test in which water is discharged through hoses be conducted once every how many years? |
3 years |
|
|
Fire pumps should be installed within a how many hour rated enclosure so that they can function as necessary in the event of a fire? |
2 hour rating |
|
|
This type of pump works on the principle that when Pressure is applied to a confined liquid, the same pressures is equally transmitted to all directions. |
Positive displacement pump |
|
|
This type of pump is used when water supply is from a non-pressurized source such as a well, pond, river, or underground storage tank |
Vertical-shaft turbine pump |
|
|
What seals the shaft to prevent excess leakage around the shaft? These fittings are water cooled and lubricated so that a small amount of leakage is required. |
Fiber packings |
|
|
These are located at each end of the shaft in the packing gland. |
Fiber packings |
|
|
These are located at each end of the shaft in the packing gland. |
Fiber packings |
|
|
This pump: Not self-priming Ratings from 25-5,000 GPM |
Horizontal split-case centrifugal pump |
|
|
Standard fire pumps are not permitted to have a pressure rating less than what pressure? |
40 psi |
|
|
Combined discharge pressure at the fire pump of what pressure needs extra heavy fittings, pressure reducing valves, and other safety precautions? |
175 psi |
|
|
These pumps: Ease of installation Simplified piping arrangement Self-venting |
End-suction centrifugal pumps |
|
|
These pumps: Single stage designed to fit into the intake/discharge line with the driver located above the impeller |
Vertical-inline centrifugal pumps |
|
|
What are the two most common drivers acceptable for use with fire pumps? |
Diesel Electric |
|
|
Pump drivers must be able to pump at a churn and pump at what percent of the rated capacity? |
150 percent |
|
|
Electric pumps should be operated weekly or monthly and permitted to ru for at least how long to ensure they work properly? |
10 minutes |
|
|
If Diesel engine is used on a fire pump, testing agencies require the engine to be equipped with what four things? |
Over speed shutdown devices Tachometers Oil pressure gauges Temperature gauges |
|
|
The engine on a pump is required to have an adjustable governor to maintain engine speed with what percent range? |
10 percent |
|
|
The engine on a pump is required to have an adjustable governor to maintain engine speed with what percent range? |
10 percent |
|
|
If the engine exceeds what percent of the rated engine speed, the governor will shut down the pump? |
20 percent |
|
|
In the cooling system for Diesel engines on pumps, what takes water fro the discharge side of the pump to cool the water in the engine? |
Heat exchanger |
|
|
Provisions of water from the discharge side of the pump requires special pip[ing arrangement including what four things? |
Bypass line Valves Pressure regulator Strainers |
|
|
A controller on a pump should be protected from water discharge, and all electrical current carrying parts of the controller should be at least how many inches off of the floor? |
12 inches |
|
|
Circuit breaker for pump should allow how much percentage of the rated full-load current without tripping and also permit normal starting of the motor without tripping? |
114 percent |
|
|
Consistent pressure fluctuations may require the use of a pressure maintenance pump to prevent false pump starts known as what? |
Jockey pump |
|
|
True controller on a pump may be equipped with a pressure-recording device and the recorder is usually required to run continuously for how many days without restarting? |
7 days |
|
|
Above ground pipe must be constructed of what? |
Steel |
|
|
Above ground pipe must be constructed of what? |
Steel |
|
|
The size of the pipe is determined by what? |
Rating of the pump |
|
|
Above ground pipe must be constructed of what? |
Steel |
|
|
The size of the pipe is determined by what? |
Rating of the pump |
|
|
When size of the suction pipe is different from the inlet port of the pump, what type of reducer will be needed to be installed in the suction line to eliminate the possibility of air pockets? |
Eccentric reducer |
|
|
Above ground pipe must be constructed of what? |
Steel |
|
|
The size of the pipe is determined by what? |
Rating of the pump |
|
|
When size of the suction pipe is different from the inlet port of the pump, what type of reducer will be needed to be installed in the suction line to eliminate the possibility of air pockets? |
Eccentric reducer |
|
|
The eccentric reducer is installed with the flat side facing where? |
Flat side up |
|
|
Above ground pipe must be constructed of what? |
Steel |
|
|
The size of the pipe is determined by what? |
Rating of the pump |
|
|
When size of the suction pipe is different from the inlet port of the pump, what type of reducer will be needed to be installed in the suction line to eliminate the possibility of air pockets? |
Eccentric reducer |
|
|
The eccentric reducer is installed with the flat side facing where? |
Flat side up |
|
|
Backflow prevention assemblies and check valves are located on what side of the pump? |
The suction side of the pump |
|
|
What can restrict the flow of the pump if they are undersized or dirty? |
Strainers |
|
|
The relief valve is typically located between what? |
The pump and discharge check valve |
|
|
The test piping should be connected to the pump discharge line between what? |
Check valve and the indicating control valve |
|
|
The test piping should be connected to the pump discharge line between what? |
Check valve and the indicating control valve |
|
|
What is used to measure the flow from the nozzle? |
Pitot tubes |
|
|
There is usually one 2.5 inch hose connection for each how many GPMs? |
250 GPMs |
|
|
Most pumps are required to have how many gauges? Where are they located? |
2 gauges Near pump intake and near pump discharge |
|
|
Pump gauges must be how large in diameter and capable of registering what pressures? |
3.5 inches At least 200 psi or twice the rated pressure of the pump |
|
|
Fire pump units located outdoors or in buildings other than the building being protected, must be located how many feet away from the protected building? |
50 feet |
|
|
Heating equipment capable of maintaining a minimum of what temperature must be provided in the fire room? |
40 degrees |
|
|
The fire pump must not develop more than how much percentage of its rated pressure when operating against a coded system or at a churn? |
140 percent |
|
|
Heating equipment capable of maintaining a minimum of what temperature must be provided in the fire room? |
40 degrees |
|
|
The fire pump must not develop more than how much percentage of its rated pressure when operating against a coded system or at a churn? |
140 percent |
|
|
Fire pump must operate at what percentage of its rated pressure while delivering 150 % of the rated volume in gpm? |
65% |
|
|
Heating equipment capable of maintaining a minimum of what temperature must be provided in the fire room? |
40 degrees |
|
|
The fire pump must not develop more than how much percentage of its rated pressure when operating against a coded system or at a churn? |
140 percent |
|
|
Fire pump must operate at what percentage of its rated pressure while delivering 150 % of the rated volume in gpm? |
65% |
|
|
The pump must operate at what percentage of its rated capacity at 100 percent of its rated pressure? |
100 % |
|
|
A Diesel engine pump shall be tested for how long compared to an electric engine? |
30 minuted for diesel 10 minutes for electric |
|
|
What type of extinguishment is best used for fires in deep fryers? |
Wet chemical suppression system |
|
|
What type of extinguishment is best used for fires in deep fryers? |
Wet chemical suppression system |
|
|
Wet chemical system should provide a foam blanket that remains intact for how long? |
20 minutes |
|
|
Wet chem storage tanks or tanks usually use what type of expellant gas? |
Nitrogen Carbon dioxide |
|
|
Wet chem storage tanks or tanks usually use what type of expellant gas? |
Nitrogen Carbon dioxide |
|
|
Wet chem suppression agents are typically water and either what three agents? |
Potassium carbonate Potassium citrate Potassium acetate |
|
|
This suppressions system is used wherever rapid fire suppression is required and where ignition of the burning material is unlikely |
Dry chemical fire suppression |
|
|
What are two dry chemical extinguishing agents that are used? |
Sodium bicarbonate Monoammonium phosphate |
|
|
Halon 1211 is most commonly found where? |
Portable extinguishers |
|
|
Halon 1211 is most commonly found where? |
Portable extinguishers |
|
|
Halon 1301 is used in some portable extinguishers but more commonly found where? |
In fixed fire extinguishing systems for total flooding applications |
|
|
In a high pressure system, CO2 is stored in standard U.S. Department of Transportation approved cylinders at a pressure of what? |
850 psi |
|
|
In a high pressure system, CO2 is stored in standard U.S. Department of Transportation approved cylinders at a pressure of what? |
850 psi |
|
|
A low pressure system, the liquefied CO2 is stored in large refrigerated tanks at what psi and temperature? |
300 psi 0 degrees |
|
|
The most common product of combustion encountered in structure fires is? |
Carbon monoxide (CO) |
|
|
The most common product of combustion encountered in structure fires is? |
Carbon monoxide (CO) |
|
|
This produced in the combustion of materials containing nitrogen and a by product of the combustion of polyurethane foam. |
Hydrogen Cyanide |
|
|
When outside air is colder than the interior of the building, the air will move? |
Upward |
|
|
When air is cooler inside the building than outside, the air will move? |
Downward Reverse stack effect |
|
|
Wind acts to promote what type of wind movement throughout a building? |
Horizontal movement |
|
|
In the exhaust method, a properly designed system should allow the smoke to be maintained at a level of how many feet above the highest occupied floor? |
6-10 feet |
|
|
In the exhaust method, a properly designed system should allow the smoke to be maintained at a level of how many feet above the highest occupied floor? |
6-10 feet |
|
|
Portable fire extinguishers are meant to be used on small fires in what stage? |
Incipient Growth |
|
|
NFPA 10 |
Standard for Portable Extinguishers |
|
|
The NFPA recognizes two different methods of extinguisher recognition which are: |
Pictorial system Letter-symbol system |
|
|
If an extinguisher is suitable for use on a particular fire, the pictograph background is what color? |
Blue or black |
|
|
If an extinguisher is not suitable for a particular fire, the pictograph has what symbol? |
Black background with a diagonal red line through the symbol |
|
|
Green Triangle A |
Ordinary combustible |
|
|
Green Triangle A |
Ordinary combustible |
|
|
Red Square B |
Flammable liquids |
|
|
Green Triangle A |
Ordinary combustible |
|
|
Red Square B |
Flammable liquids |
|
|
Blue Circle C |
Electrical Equipment |
|
|
Green Triangle A |
Ordinary combustible |
|
|
Red Square B |
Flammable liquids |
|
|
Blue Circle C |
Electrical Equipment |
|
|
Yellow Star D |
Combustible metals |
|
|
Green Triangle A |
Ordinary combustible |
|
|
Red Square B |
Flammable liquids |
|
|
Blue Circle C |
Electrical Equipment |
|
|
Yellow Star D |
Combustible metals |
|
|
Black Hexagon K |
Cooking media |
|
|
Which extinguishers only receive a letter designation? |
Class D extinguishers |
|
|
Any portable fire extinguisher that uses dry chemical or dry powder as an extinguishing agent must be able to discharge how much in percentage of its contents? |
80 % |
|
|
Any portable extinguisher that uses halon, carbon dioxide, or water must be able to discharge how much percentage of its contents inside? |
95 % |
|
|
A portable extinguisher that uses water stored under pressure must have how long of a discharge time? |
45-60 seconds |
|
|
Dry chemical extinguishers 10 pounds and larger must have a discharge rate of? |
1 pound per second |
|
|
Portable extinguishers that use water as their agent must have a discharge range of how far for how long? |
30 feet for 40 seconds |
|
|
Dry chemical and dry powder extinguishers must have a minimum horizontal discharge range of how far? |
10 feet |
|
|
The classification and numerical rating system for extinguishers is based on tests conducted by who? |
Underwriters Laboratories Inc |
|
|
What are the two type of test used for ratings for extinguishers? |
Wood Crib test Wood panel test |
|
|
What are the two type of test used for ratings for extinguishers? |
Wood Crib test Wood panel test |
|
|
Which extinguisher ratings are subjected to both wood crib and wood panel testing? |
Class 1A- Class 6A |
|
|
An extinguisher that is only subject to a wood crib test are which ratings? |
Class 10A or greater |
|
|
Class A portable fire extinguishers numerical rating are from what number to what? |
1A - 40A |
|
|
Class A portable fire extinguishers numerical rating are from what number to what? |
1A - 40A |
|
|
Class B extinguishers have a numerical rating between what? |
1B - 640B |
|
|
Class A portable fire extinguishers numerical rating are from what number to what? |
1A - 40A |
|
|
Class B extinguishers have a numerical rating between what? |
1B - 640B |
|
|
The number on Class B extinguisher ratings is an indication of the approximate square foot area of fire involving how thick of flammable liquid that can be extinguished? |
2 inch |
|
|
Class A portable fire extinguishers numerical rating are from what number to what? |
1A - 40A |
|
|
Class B extinguishers have a numerical rating between what? |
1B - 640B |
|
|
The number on Class B extinguisher ratings is an indication of the approximate square foot area of fire involving how thick of flammable liquid that can be extinguished? |
2 inch |
|
|
In Class B extinguishers, how large of a rating are do extinguishers have to be for outdoor consideration? |
20B or greater |
|
|
Class A portable fire extinguishers numerical rating are from what number to what? |
1A - 40A |
|
|
Class B extinguishers have a numerical rating between what? |
1B - 640B |
|
|
The number on Class B extinguisher ratings is an indication of the approximate square foot area of fire involving how thick of flammable liquid that can be extinguished? |
2 inch |
|
|
In Class B extinguishers, how large of a rating are do extinguishers have to be for outdoor consideration? |
20B or greater |
|
|
For sodium and potassium ratings, two standard procedures are used for testing which are? What state do they have to be in? |
Spill fire test Pan fire test Liquid state |
|
|
A five gallon water extinguisher weighs in excess of how many pounds? |
40 pounds |
|
|
Some AFFF extinguishers now include what rating to identify agents that are effective on polar solvents? |
AR Alcohol Resistance |
|
|
Carbon Dioxide is best used for which class fires? |
Class B Class C |
|
|
Bromochlorodifluoromethane commonly referred to what? |
Halon 1211 |
|
|
Bromochlorodifluoromethane commonly referred to what? |
Halon 1211 |
|
|
Bromotrifluoromethane is commonly referred to as what? |
Halon 1301 |
|
|
Halogenated agents contain atoms from one of the halogen series of chemical elements that are? (4) |
Fluorine Chlorine Bromine Iodine |
|
|
Sodium bicarbonate is usually color coded with what to distinguish it from other agents? |
Blue or white |
|
|
What is known as Purple K? |
Potassium bicarbonate |
|
|
Saponification only works on what type of fuel? |
Animal fats Vegetable oil |
|
|
NFPA criterion for a flammable liquid fire of having what depth? |
1/4 inch |
|
|
In areas of Class K fires, the maximum travel distance from the hazard to the extinguisher is how far? |
30 feet |
|
|
The clearance between the bottom of the extinguisher and the floor should never be less than how much? |
4 inches |
|
|
Extinguishers with a gross weight of 40 pounds or less should be installed so that the top of the extinguisher is not more than how many feet above the floor? |
5 feet |
|
|
Extinguishers with gross weight exceeding 40 pounds should be installed so that the top of the extinguisher is not more that how many feet above the floor? |
3.5 feet |
|
|
Extinguishers with a gross weight of 40 pounds or less should be installed so that the top of the extinguisher is not more than how many feet above the floor? |
5 feet |
|
|
Extinguishers with gross weight exceeding 40 pounds should be installed so that the top of the extinguisher is not more that how many feet above the floor? |
3.5 feet |
|
|
Water based extinguishers must be located in temperatures between? |
40-120 degrees |
|
|
Extinguishers with a gross weight of 40 pounds or less should be installed so that the top of the extinguisher is not more than how many feet above the floor? |
5 feet |
|
|
Extinguishers with gross weight exceeding 40 pounds should be installed so that the top of the extinguisher is not more that how many feet above the floor? |
3.5 feet |
|
|
Water based extinguishers must be located in temperatures between? |
40-120 degrees |
|
|
Some extinguishers can be installed where temperatures reach as low as? |
- 40 degrees |
|
|
Extinguishers with a gross weight of 40 pounds or less should be installed so that the top of the extinguisher is not more than how many feet above the floor? |
5 feet |
|
|
Extinguishers with gross weight exceeding 40 pounds should be installed so that the top of the extinguisher is not more that how many feet above the floor? |
3.5 feet |
|
|
Water based extinguishers must be located in temperatures between? |
40-120 degrees |
|
|
Some extinguishers can be installed where temperatures reach as low as? |
- 40 degrees |
|
|
Specialized extinguishers are available for temperatures as low as? |
- 65 degrees |
|
|
What is not to be used in portable extinguishers? |
Ethylene glycol |
|
|
What is not to be used in portable extinguishers? |
Ethylene glycol |
|
|
What is not to be used in stainless steel units in extinguishers? |
Calcium chloride |
|
|
What is not to be used in portable extinguishers? |
Ethylene glycol |
|
|
What is not to be used in stainless steel units in extinguishers? |
Calcium chloride |
|
|
What should you not add to AFFF extinguishers? |
Antifreeze |
|
|
Nonrechargeable extinguishers should be removed after how many years after the date of manufacture? |
12 years |
|
|
It is important to use a source of expellant gas with a pressure no greater than how much above operating pressure? |
25 psi |
|
|
What causes caking of dry chemical, and can contribute to interior corrosion and eventual failure of the container for extinguishers? |
Moisture |
|
|
Hydrostatic testing consists of pressurizing the components in extinguisher how many times their rated capacity for how long? |
Five times their rated capacity 5 seconds |
|
|
Pressures vary from what to what depending on the type of extinguisher? |
100-850 psi |
|
|
For CO2 where CO2 or nitrogen is the expellant source, the hydrostatic pressure must be what percent of the service pressure stamped on the vessel? |
167% 5/3 |
|
|
Many extinguishers completely discharge the extinguishing agent in how much time? |
8-15 seconds |
|
|
Many extinguishers completely discharge the extinguishing agent in how much time? |
8-15 seconds |
|
|
In a Class A fire the extinguisher should be used at a distance of what from the fire? |
10-30 feet |
|
|
Many extinguishers completely discharge the extinguishing agent in how much time? |
8-15 seconds |
|
|
In a Class A fire the extinguisher should be used at a distance of what from the fire? |
10-30 feet |
|
|
If the fire involves lightweight materials that might scatter easily, the dry chemical extinguisher can be used how far and how high from the fire? |
10 feet from fire and 3 feet above fire |
|
|
In a Class B fire the extinguishing agent should initially be discharged from a distance of? |
10 feet |
|
|
In a Class B fire the extinguishing agent should initially be discharged from a distance of? |
10 feet |
|
|
Water mist stored pressure extinguishers can be sued from a greater distance of what? |
12 feet |
|
|
In a Class D fire attack, the burning material should be covered with a depth of what using dry powder agent? |
2 inches |
|
|
In a Class D fire attack, the burning material should be covered with a depth of what using dry powder agent? |
2 inches |
|
|
Application on a Class K fire attack should be done from a distance between what from the burning material? |
10-12 feet |
