NFPA 10 Exam 99 Questions with Verified Answers,100% CORRECT, Exams of Public Health

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NFPA 10 Exam 99 Questions with Verified Answers,100%CORRECT

(SI) - Correct answer-International System of Units 1 in=. mm - Correct answer-25. Approved - Correct answer-Acceptable to the authority having jurisdiction. (AHJ) - Correct answer-Authority Having Jurisdiction O rganization, office or individual responsible for enforcing requirements of a code or standard, or forapproving equipment, materials, an installation or procedure.

Shall - Correct answer-Indicates a mandatory requirement. Should - Correct answer-Indicates a recommendation or that which is advised but not required. Dry Chemical - Correct answer-A powder composed of very small particles, usually sodium bicarbonate-,potassium bicarbonate-, or ammonium phosphate based with added particulate material supplemented by special treatment to provide resistance to packing, resistance to moisture absorption (caking), andthe proper flow capabilities

Wet Chemical - Correct answer-Normally an aqueous solution of organic or inorganic salts or acombination thereof that forms an extinguishing agent

Clean agent - Correct answer-Electrically nonconducting, volatile, or gaseous fire extinguishant that doesnot leave a residue upon evaporation

Dry Chemical Closed Recovery System - Correct answer-A system that does not introduce foreignmaterial into the agent being recovered and has a means of visually inspecting the recovered agent for contaminants Halogenated Closed Recovery System - Correct answer-A system that provides for the transfer ofhalogenated agents between fire extinguishers, supply containers, and recharge/recovery containers so that none of the halogenated agent escapes to the atmosphere. (ODP) - Correct answer-Ozone Depletion Potential Closed recovery systems for halogenated agents with an ODP of ____________ or greater should belisted for use with that agent - Correct answer-.

High pressure cylinders contain pressure greater than _______ PSI at _______F - Correct answer-500PSI at 70F

Low pressure cylinders containing a service pressure at or below _______ PSI at _______F - Correctanswer-500 PSI at 70F

Dry Powder - Correct answer-Solid materials in powder or granular form designed to extinguish Class Dcombustible metal fires by crusting, smothering, or heat-transferring means

Film-forming foam agents - Correct answer-Aqueous film-forming foam (AFFF) and film-formingfluoroprotein foam (FFFP).

HFC - Correct answer-Hydrofluorocarbon

HCFC - Correct answer-Hydrochlorofluorocarbon Halocarbons - Correct answer-Include HCFC HFC PFC and FIC types of agents and other types ofhalocarbons that are found acceptable under the Environmental Protection Agency Significant New Alternatives policy program FIC - Correct answer-Fluoroiodocarbon PFC - Correct answer-perfluorocarbon Halons - Correct answer-Include Halon 1211 and 1301 and mixtures of the two Halon 1301 - Correct answer-Bromotrifluoromethane Halon 1211 - Correct answer-Bromochlorodifluoromethane Hydrostatic testing - Correct answer-Pressure testing of the extinguisher to verify its strength againstunwanted rupture.

Loaded Stream Charge - Correct answer-A water based extinguishing medium that uses an alkali metalsalt as a freezing point depressant.

Extinguisher service pressure - Correct answer-The normal operating pressure as indicated on thenameplate or cylinder of a fire extinguisher

Factory test pressure - Correct answer-The pressure shown on the nameplate at which a shell wastested at time of manufacture.

wetting agent - Correct answer-A concentrate which, when added to water reduces the surface tensionand increases its ability to penetrate and spread

Water Mist Fire Extinguisher - Correct answer-A fire extinguisher containing "distilled or de-ionized"water and employing a nozzle that discharges the agent in a fine spray

Standard for carbon-dioxide fire extinguishers - Correct answer-ANSI/UI (^154) CAN/ULC-S

Standard for Dry Chemical fire extinguishers - Correct answer-ANSI/UL 209 CAN/ULC-S Standard for Water fire extinguishers - Correct answer-ANSI/UL 626CAN/ULC-S

Standard for Halogenated Agent Hand and Wheeled fire extinguishers - Correct answer-CAN/ULC-S Standard for Water Based (Film-Forming) fire extinguishers - Correct answer-ANSI/UL 8 CAN/ULC-S Standard for Halocarbon Clean Agent fire extinguishers - Correct answer-ANSI/Ul 2129CAN/ULC-S

Each fire extinguisher should be marked with - Correct answer-1. Identification of listing and labelingorganization

2. Product category indicating type of extinguisher
3. Extinguisher Classification4. Performance and fire test standards that the extinguisher meets or exceeds

Fire extinguishers manufactured prior to ____________ shall not be required to comply with 4.1.2. -Correct answer-January 1 1986

MSDS - Correct answer-Material Safety Data Sheet A fire extinguisher shall have a label, tag, or stencil attached to it and provide what information - Correctanswer-1. Contents product name as it appears on manufactures safety data sheet

2. Listing of hazardous material ID in accordance with HMIS3. List of any hazardous materials that are in excess of 1.0% of the contents
3. List of each chemical in excess of 5.0% of contents5. Information as to what is hazardous about the agent in accordance with the MSDS
4. Manufacturers or service agencies name mailing address and phone number HMIS - Correct answer-Hazardous Material Identification System Obsolete fire extinguishers (7) - Correct answer-1. Soda Acid2. Chemical Foam (excludes Film Forming)
5. Vaporizing liquid (Carbon tetrachloride)4. Cartridge operated water
6. Cartridge operated loaded system6. Copper or Brass Shell (exclude pump tanks) joined by soft solder or rivets
7. Carbon Dioxide extinguishers with metal horns8. Pressurized water prior to 1971
8. Any stored pressure prior to 1955 Dry chemical stored pressure extinguishers manufactured prior to _______ shall be removed fromservice at 6 year maintnence or hydrotest - Correct answer-October 1984

Class A fires - Correct answer-Fires involving ordinary combustible materials such as wood, cloth, rubber and plastics.

Class B fires - Correct answer-Fires involving flammable and combustible liquids, oils, greases, tars, oil-based paints, lacquers, and flammable gases.

Class C fires - Correct answer-Involve live electrical equipment Class D Fires - Correct answer-Fires involving combustible metals such as magnesium, titanium,zirconium, sodium, and potassium.

Class K Fires - Correct answer-Fires in cooking appliances that involve combustible cooking media (vegetable or animal oils and fats). The classification of fire extinguishers shall consist of a letter that indicates what? - Correct answer-Theclass of fire on which a fire extinguisher has been found to be effective

Fire extinguishers classified for use on Class A or Class B are required to have a what? - Correct answer-Rating number preceding the classification letter that indicated the relative extinguishing effectiveness

What classes of extinguishers use numerical ratings? - Correct answer-A and B What classes of extinguishers are not required to have numbers preceding the Classification letter? -Correct answer-Class C, D, and K

Use of halon agent fire extinguishers shall be limited to what? - Correct answer-Applications where aclean agent is necessary to extinguish fire efficiently without damaging the equipment or area being protected or where the use of alternative agents can cause a hazard to the personnel in the area Placement of portable fire extinguishers containing halogenated agents shall conform to - Correctanswer-Minimum confined space volume requirement warnings listed on extinguisher nameplate

Wheeled fire extinguishers should be considered when - Correct answer-High hazard areas are presentLimited personnel are present

When limited personnel is available, a fire extinguisher shall have what features? - Correct answer-1.High agent flow rate

2. Increased agent steam range
3. Increased agent capacity Light hazard - Correct answer-Total quantity of Class A and Class B is less than 1 gallon in an area Ordinary Hazard - Correct answer-Total quantity of Class A and Class B is from 1 Gallon to 5 Gallons Extra Hazard - Correct answer-Total quantity of Class A and Class B is more than 5 Gallon Selection by occupancy - Correct answer-Extinguishers should be provided for both the buildingstructure and the occupancy hazards contained within them regardless of any fixed fire suppression systems Required building protection shall be provided by fire extinguishers for Class ______ Fires - Correctanswer-A

Buildings having an occupancy hazard subject to Class B or Class C Fires should have a standardcomplement of Class ______ fires for building protection ________ additional Class B or Class C fire extinguishers - Correct answer-A Plus Selection of fire extinguishers for Pressurized Liquids and Pressurized Gas fires should be made on therecommendations __________ - Correct answer-By the manufacturer of the equipment

Water-Soluble Flammable Liquid Fires are also known as - Correct answer-Polar Solvents _________ and _________ types of extinguishers shall not be used for theprotection of Water-SolubleFlammable Liquid Fires - Correct answer-AFFF FFFP

Class K Fire extinguishers manufactured after January 1, 2002 shall not be equipped with - Correctanswer-Extended wand type discharge devices

Where a hazard is protected by an automatic fire protection system, a ___________ should be placednear the extinguisher stating that the FPS shall be _________ prior to using the extinguisher - Correct answer-PlacardActuated

___________ fire extinguishers shall not be installed for the protection of electronic equipment -Correct answer-Dry Chemical

Dry chemical fire extinguishers shall not be installed for the protection of __________ - Correct answer-Electronic Equipment

Only _______ type extinguishers shall be installed in areas containing oxidizers (Pool Chemicals) -Correct answer-Water

___________ __________ Fire extinguishers shall not be installed in areas containing oxidizers - Correctanswer-Multipurpose Dry Chemical

The installation of extinguishers should be __________ of whether the building is equipped with ______________, _______ and _______, or other _____ ________ _________ - Correct answer-Independent Automatic sprinklers Standpipe and hosefixed protection equipment

Extinguisher readiness - Correct answer-Extinguishers should be maintained in a fully charged andoperable condition and shall be kept in their designated places at all times when not being used

Fire extinguishers shall be located on ______ ______ __ _______ including ______ from areas - Correctanswer-normal paths of travel Exits

Fire extinguisher shall not be ______ from view - Correct answer-obstructed In large rooms and locations where visual obstructions cannot be completely avoided....... - Correctanswer-Means shall be provided to indicate the extinguisher location

Signs that indicate fire extinguisher locations should (^1) 2 - Correct answer-Be located in close proximity of the extinguisher Be visible from the normal path of travel Extinguishers with a gross weight not exceeding 40 lbs should be installed so that the top of theextinguisher is not....... - Correct answer-More than 5 ft above the floor

extinguishers with gross weight greater then 40 lbs should be installed so that the top of theextinguisher is....... - Correct answer-No more than 3 1/2 feet above the floor

The clearance between the bottom of the floor and extinguisher should never be less than..... - Correctanswer-4 inches

Extinguisher operating instructions should be located on the ________ of the extinguisher - Correctanswer-Front

HMIS labels, 6 year maintenance, hydrostatic test labels or other labels should not be located or placedon ........ - Correct answer-The front of the extinguisher

Cabinets housing fire extinguishers shall not be locked, except where fire extinguishers are subject to_________ ___ and include a means of emergency access - Correct answer-Malicious use

Extinguishers mounted in cabinets or on the walls shall be placed so that the ...... - Correct answer-Operating instructions face outward

Closed cabinets containing extinguishers that are exposed to elevated temperatures should be providedwith ______ ______ and _______ - Correct answer-Screened openings and drains

Extinguishers containing only plain water shall be protected to temperatures as low as _________ -Correct answer--40F

________ helps protect plain water extinguishers from freezing temperatures - Correct answer-Antifreeze

_______ ________ ________ should not be used in stainless steel extinguishers - Correct answer-Calcium Chloride Solutions

Minimum number of Extinguishers for Class A Hazards on each floor is determined by - Correct answer-Dividing total floor area by maximum area to be protected per extinguisher

Extinguishers should be located so that the maximum travel distances shall not exceed _________ -Correct answer-75ft

Smaller fire extinguishers that are rated on Class B and Class C fires but do not have a minimum 1-Arating shall ________ be used to meet the requirements for 6.2.1. - Correct answer-not

When the area of the floor of a building is less than table 6.2.1 specifies, at least ___ extinguisher of the_______ size shall be provided - Correct answer- Minimum Extinguishers shall not be installed for the sole protection for flammable liquid hazards of appreciabledepth where the surface area exceeds _________ - Correct answer-10ft^

If personnel who are trained in extinguishing fires in the protected hazards are located on the premisesand can respond quickly, the Maximum surface area must not exceed ________ - Correct answer-20ft^

for flammable liquid hazards of appreciable depth, a Class B extinguisher should be provided that has atleast _____ numerical units of Class B extinguishing potential per 1ft^2 of flammable liquid surface of the _______ hazard area - Correct answer- Largest Travel distances for portable fire extinguishers should not exceed - Correct answer-50 ft A hand portable fire extinguisher positioned for obstacle, gravity/3d, ir pressure fire hazards, should nothave an actual travel distance of more than _______ft - Correct answer-30ft

Wheeled fire extinguishers weighing 125lb or more are installed or positioned for obstacle, gravity/3d,the actual travel distance should not exceed _________ft - Correct answer-100ft