NFPA 10 Exam 73 Questions with Verified Answers,100% CORRECT

Document Content and Description Below

NFPA 10 Exam 73 Questions with Verified Answers 1.1.2 Automatic sprinklers, standpipe and hose, or other fixed protection equipment - CORRECT ANSWER 53. The selection and installation of extinguish ... ers is independent of whether the building is equipped with: 3.3.5 Clean Agent - CORRECT ANSWER 63. Electrically non-conducting, volatile, or gaseous fire extinguishant that does not leave a residue upon evaporation 3.3.22.1 Extinguisher Service Pressure - CORRECT ANSWER 34. The normal operating pressure as indicated on the nameplate or cylinder of a fire extinguisher 3.3.22.2 Factory Test Pressure - CORRECT ANSWER 14. The pressure shown on the nameplate at which a shell was tested at time of manufacture 3.3.25 Servicing - CORRECT ANSWER 13. Performing maintenance, recharging, or hydrostatic testing on a fire extinguisher 4.2 Identification of Contents - CORRECT ANSWER 62. A fire extinguisher shall have a label, tag, or stencil attached to it providing the following information: the content's product name as it appears on the MSDS; listing of the hazardous material ID in accordance with HMIS, WHMIS; list of any hazardous materials that are in excess of 1.0 % of the contents; list of each chemical in excess of 5% of the contents; information as to what is hazardous about the agent in accordance with the MSDS; manufacturer's or service agency's name, mailing address, and phone number 4.4 Obsolete Fire Extinguishers - CORRECT ANSWER 64 & 69. Soda acid, cartridge-operated loaded stream, solid charge-type AFFF extinguishers (paper cartridge), any extinguisher that needs to be inverted to operate 5.2.2 Class B Fires - CORRECT ANSWER 18. fires in flammable liquids, combustible liquids, petroleum greases, tars, oils, oil-based paints, solvents, lacquers, alcohols, and flammable gases 5.2.3 Class C Fires - CORRECT ANSWER 18. fires that involve energized electrical equipment 5.3.1.1 Relative extinguishing effectiveness - CORRECT ANSWER 5. Fire extinguishers classified for use on Class A or Class B hazards shall be required to have a rating number preceding the classification letter that indicates the: 5.3.1.2 Class C, D or K - CORRECT ANSWER 12. Fire extinguishers classified for use on ____ hazards shall not be required to have a number preceding the classification letter 5.4.1.2 Ordinary (Moderate) Hazards - CORRECT ANSWER 11. ____ occupancies shall be classified as locations where the quantity and combustibility of Class A combustible materials and Class B flammables are moderate and fires with moderate rates of heat release are expected. These occupancies consist of fire hazards that only occasionally contain Class A combustible materials beyond normal anticipated furnishings, and/or the total quantity of Class B flammables typically expected to be resent is from 1 gal to 5 gal (3.8 L to 18.9 L) in any room or area 5.4.2 Selection by Occupancy - CORRECT ANSWER 70. Fire extinguishers shall be provided for the protection of both the building structure and the occupancy hazards contained therein regardless of the presence of any fixed fire suppression systems 5.5.5.1 Class K fire extinguishers - CORRECT ANSWER 43. ____ manufactured after Jan 1, 2002, shall not be equipped with extended wand-type discharge devices 5.5.5.2 Class K - CORRECT ANSWER 33. FE installed specifically for the protection of cooking applicances that use combustible cooking media (animal or vegetable oils and fats) without a ____ rating shall be removed from service 5.5.7.1 Water-type extinguishers - CORRECT ANSWER 47. Only ____ shall be installed in areas containing oxidizers, such as pool chemicals 6.1.3.3.2 extinguisher location - CORRECT ANSWER 36. In large rooms and in certain locations where visual obstructions cannot be completely avoided, means shall be provided to indicate the: 6.1.3.4 Portable FE other than wheeled extinguishers - CORRECT ANSWER 3. ___ shall be installed using any of the following means: securely on a hanger intended for the extinguisher, in the bracket supplied by the extinguisher manufacturer, in a listed bracket approved for such purpose, in cabinets or wall recesses 6.1.3.8.1 40 lb (18.14 kg) - CORRECT ANSWER 46. FE having a gross weight not exceeding ____ shall be installed so that the top of the FE is not more than 5ft above the floor 6.1.3.8.2 3.5 ft - CORRECT ANSWER 27. FE having a gross weight greater than 40lb (except wheeled types) shall be installed so that the top of the FE is not more than ____ above the floor 6.1.3.9.1 Front - CORRECT ANSWER 37. Extinguishers' operating instructions shall be located on the ____ of the extinguisher and shall be clearly visible 6.1.3.10.4 screened openings and drains - CORRECT ANSWER 48. Where FE are installed in closed cabinets that are exposed to elevated temps, the cabinets shall be provided with: 6.1.4.1 -40F - CORRECT ANSWER 42. FE containing only plain water shall be protected to temps as low as ____ by the addition of an antifreeze that is stipulated on the FE nameplate 6.2.1.1 4-A - CORRECT ANSWER Minimum rated single extinguisher for an extra(high) hazard occupancy and maximum floor area per unit of A at 1000 ft2 6.2.1.3.1.1 two water-type extinguishers - CORRECT ANSWER 7. Up to ____, each with 1-A rating, shall be permitted to be used to fulfill the requirements of one 2-A rated extinguisher 6.2.1.6 75 ft - CORRECT ANSWER 51. The protection requirements shall be permitted to be fulfilled with FE of higher rating, provided the travel distance to such large FE does not exceed ____ 6.5.2 Class D hazard - CORRECT ANSWER 39. FE or extinguishing agents (media) shall be located not more than 75ft of travel distance from the ____ 6.6.2 30ft - CORRECT ANSWER 45. Max travel distance shall not exceed ___ from the hazard to the extinguishers 7.1.3 Replacement While Servicing - CORRECT ANSWER 28. FE removed from service for maintenance or recharging shall be replaced by a FE suitable for the type of hazard being protected and shall be of at least equal rating 7.1.5.2.1 Electronic monitoring device - CORRECT ANSWER The connection to the ____ shall be continuously supervised for integrity 7.1.5.2.2 Power Source - CORRECT ANSWER The ____ for the electronic monitoring device shall be supervised for continuity of power 7.1.5.2.3 Monitoring device - CORRECT ANSWER The ____ shall be tested and maintained annually in accordance with 7.3.2.5 7.2.2 Procedures - CORRECT ANSWER 75. Periodic inspection or electronic monitoring of FE shall include a check of at least the following items: location in designated place, no obstruction to access or visibility, pressure gauge reading or indicator in the operable range or position. In addition, FE shall be visually inspected if they are located where any of the following exist: high freq of fires in the past, severe hazards, locations that make FE susceptible to mechanical injury, exposure to abnormal temps or corrosive atmospheres. FE shall be inspected at more frequent intervals when circumstances require 7.2.3.2 Nonrechargeable Dry Chemical FE - CORRECT ANSWER When an inspection of any nonrechargeable dry chemical FE reveals a deficiency in any of the conditions listed in 7.2.2(3), 7.2.2(4), or 7.2.2(6), the extinguisher shall be removed from further use, discharged, and destroyed at the direction of the owner or returned to the manufacturer 7.2.3.3 Nonrechargeable Halon Agent FE - CORRECT ANSWER When an inspection of any nonrechargeable FE containing a halon agent reveals a deficiency in any of the conditions listed in 7.2.2 (3), 7.2.2(4), or 7.2.2(6), the extinguisher shall be removed from service, not discharged, and returned to the manufacturer, a fire equipment dealer, or a distributor to permit recovery of the halon 7.3.1.1.2 Liquid charge-type AFFF and FFFP extinguisghers - CORRECT ANSWER The extinguishing agent in _____ is replaced every 3 years and an internal examination (teardown) is normally conducted at that time) 7.3.1.2.4 Periodic recharging or hydrostatic testing - CORRECT ANSWER When the applicable maintenance procedures are performed during ______, the 1-year requirement shall begin from that date 7.3.1.3 Carbon Dioxide Hose Assemblies - CORRECT ANSWER A conductivity test shall be conducted annually on all carbon dioxide hose assemblies 7.3.3.1 Six Year Service Label - CORRECT ANSWER FE that pass the applicable 6-year requirement of 7.3.1.2.1 shall have the maintenance info recorded on a durable weatherproof label that is a minimum size of 2 in x 3.5 in 7.3.3.2.1 verification-of-service collar - CORRECT ANSWER Each extinguisher that has undergone maintenance that includes internal examination or that has been recharged (see 7.4.5.2) shall have a ____ located around the neck of the container 7.4.1.3.5 stored-pressure and self-expelling types of FE - CORRECT ANSWER After recharging, a leak test shall be performed on: 7.4.2.2 Wetting Agent - CORRECT ANSWER The agent in stored-pressure wetting agent FE shall be replaced annually 7.4.2.3.1 liquid charge-type AFFF and FFFP FE - CORRECT ANSWER The premixed agent in ____ shall be replaced at least once every 3 years 7.4.3.2 Mixing of Dry Chemicals - CORRECT ANSWER Multipurpose dry chemicals shall not be mixed with alkaline-based dry chemicals 7.4.3.6 Removal of Moisture - CORRECT ANSWER For all non-water types of FE, any moisture shall be removed before recharging 7.4.3.8.2 Closed recovery system - CORRECT ANSWER The removal of agent from other halogenated agent FE extinguishers shall be done using only a closed recovery system 7.4.3.8.4 Halogenated agent - CORRECT ANSWER The ____ retained in the system recovery cylinder shall be re-used only if no evidence of internal contamination is observed in the FE cylinder 7.4.3.9.3 10 ppm - CORRECT ANSWER Oil content shall not exceed ___ by weight 7.4.3.11.1 re-used - CORRECT ANSWER Wet chemical and water mist agents shall not be: 7.4.4.2.1 A rechargeable stored-pressure-type FE - CORRECT ANSWER _____ shall be pressurized only to the charging pressure specified on the FE nameplate 7.4.4.2.3 high-pressure source - CORRECT ANSWER A FE shall not be left connected to the regulator of a ____ for an extended period of time 7.4.4.3 Pressurized Gas - CORRECT ANSWER Only standard industrial-grade nitrogen with a dew point of -60F or lower (CGA nitrogen specification G10.1m grades D through P) shall be used to pressurize stored-pressure dry chemical and halogenated-type FE than use nitrogen as a propellant 7.4.4.3.2 Compressed air - CORRECT ANSWER ____ through moisture traps shall not be used for pressurizing even though so stated in the instructions on older FE 8.1.3 Hydrostatic test - CORRECT ANSWER A ____ shall always include both an internal and an external visual examination of the cylinder 8.2.1.3 90-110% - CORRECT ANSWER Test pressure gauges shall be capable of indicating ____ of the test pressure 8.4.2 Examination of Cylinder Condition - CORRECT ANSWER Where a FE cylinder or shell has 1 or more of the following conditions, it shall not be hydrostatically tested but shall be condemned or destroyed by the owner or at the owner's direction: where the cylinder threads are worn, corroded, broken, cracked, or nicked 8.5.1.4 Hydrostatic test - CORRECT ANSWER A complete internal and external visual examination shall be conducted before any: 8.7.2.3 49 CFR 180.213 (c)(l) - CORRECT ANSWER In addition to the info in 8.7.2.1, DOT specification cylinders shall be labeled in accordance with: C.3.4 Carbon Dioxide FE - CORRECT ANSWER The concentration needed for FE reduces the amount of oxygen (air) needed for life safety when the discharge is in a confined area (space) C.3.6.5 Ammonium Phosphate Base agent - CORRECT ANSWER The _____ (multipurpose) is the only dry chemical agent that is suitable for Class A protection. In addition to Class B and Class C protection, the residues of multipurpose dry chemical, when left in contact with metal surfaces, can cause corrosion The carbon dioxide agent - CORRECT ANSWER ____ extinguishes by diluting the surrounding atmosphere with an inert gas so that oxygen levels are kept below the % required for combustion. When this type of FE is used in an unventilated space, such as a small room, closet, or other confined area, prolonged occupancy of that space can result in the loss of consciousness due to the oxygen deficiency G.2 Example - CORRECT ANSWER A FE is rated and classified 4-A:20-B:C, which imparts the following info: It should extinguish appx twice as much Class A fire as a 2-A (2.5 gal water) rated FE, it should extinguish appx 20x as much Class B fire as a 1-B rated FE, it is suitable for use on energized electrical equipment Protection required below 40F - CORRECT ANSWER Types of Extinguishing Agent: All water types: yes; All water (wetting agents) types: yes; all loaded stream types: no; All AFFF,FFFP types: yes; All Carbon dioxide types: no, All regular dry chemical (sodium bicarbonate) types: no; All puple K dry chemical (potassium bicarbonate) types: no; All Super K dry chemical (potassium chloride) types: no Empty and recharge with new agent - CORRECT ANSWER Corrective action for agent condition (contamination, caking, or wrong agent): 3.3.15 Extinguisher Maintenance - CORRECT ANSWER 21. A thorough examination of the FE that is intended to give maximum assurance that a FE will operate effectively and safely and to determine if physical damage or condition will prevent its operation, if any repair or replacement is necessary, and if hydrostatic testing or internal maintenance is required. 4.4.1 1984 - CORRECT ANSWER 54. Dry chemical stored-pressure extinguishers manufactured prior to October ____ shall be removed from service at the next 6-year maintenance interval or the next hydrotest, whichever comes first 5.5.3 Water-Soluble Flammable Liquid Fires (Polar Solvents) - CORRECT ANSWER 35. Aqueous film-forming foam (AFFF) and film-forming fluoroprotein foam (FFFP) types of FE shall not be used for the protection of water-soluble flammable liquids such as alcohols, acetone, esters, ketones, and so forth, unless specifically referenced on the FE nameplate 5.5.1.1. Extinguishers for Pressurized Flammable Liquids and Pressurized Gas Fires - CORRECT ANSWER 8. Selection of FE for this type of hazard shall be made on the basis of recommendations by manufacturers of this specialized equipment. Large capacity dry chemical extinguishers of 10 lb or greater and a discharge of 1lb/sec or more shall be used to protect these hazards. 5.4.2.5 each letter class - CORRECT ANSWER 40. Where FE have more than 1 letter classification (such as 2-A:20-B:C), they shall be permitted to satisfy the requirements of: 6.1.3.8.3 4 in - CORRECT ANSWER 32. In no case shall the clearance between the bottom of the hand portable FE and the floor be less than: 6.2.1.3.1.2 4-A - CORRECT ANSWER 29. Two 2 1/2 gal water-type extinguishers shall be permitted to be used to fulfill the requirements of one ___ extinguisher. Table 6.2.1.1 FE size and placement for class b hazards - CORRECT ANSWER 11/52. Ordinary (moderate) hazard; 20-B basic minimum extinguisher rating; maximum travel distance to extinguishers 50 ft 7.1.1 Responsibility - CORRECT ANSWER 68. The owner or designated agent or occupant of a property in which FE are located shall be responsible for inspection, maintenance, and recharging [Show More]

Last updated: 2 years ago

Preview 1 out of 8 pages