Download NFPA 10 Study Guide: Fire Extinguisher Types, Maintenance, and Regulations and more Exams Safety and Fire Engineering in PDF only on Docsity!
NFPA 10 Study Guide Questions with
Complete Solutions
Class A Fires are what? ✔✔Ordinary Materials such as wood, cloth, paper, rubber, and many plastics
Class B Fire are what? ✔✔Flammable liquids, combustible liquids, combustible liquids, petroleum greases, tars, oils, oil based paints, solvents, laquers, alcohols and flammable gases
Class C Fires are what? ✔✔Electrical Fires
Class D Fires are what? ✔✔Combustible Metals such as Magnesium, Zirconium, Titanium
Class K Fires are what? ✔✔Fires in cooking appliances that involve combustible cooking media (Vegetable or animal oils and fats)
Fire Extinguishers containing only plain water shall be protected at temperatures as low as what? ✔✔-40℉, by the use of Antifreeze
What Shall not be used in stainless steel extinguishers? ✔✔Calcium Chloride
Fire Extinguishers shall be located so that the maximum distance of travel is what? ✔✔less that 75ft
Tag or label, as a minimum shall identify what? ✔✔Month and year maintenance was performed
Person performing work
Name of Agency performing work
Internal Examination of dry chem with brazed brass shells, halogenated agents, and dry powder stored_pressure with steel shells shall occur when? ✔✔6 Years
Which extinguishers are required to have a rating number preceding the classification letter? ✔✔Class A & B extinguishers
Which extinguishers do not require a number before the classification letter? ✔✔Classes C, D and K
Class B fires require that the discharge rate be what? ✔✔10 lb or greater and a discharge rate of 1 lb/sec
3-Dimensional fires require what discharge rate? ✔✔10lb or greater and a discharge rate of 1 lb/sec
Aqueous Film Forming Foam and Film Forming Flouride Protein Foam shall NOT be used for what? ✔✔The protection of water-soluble flammable liquids, such a alcohol, acetone, esters, ketones, unless specifically referenced on the fire extinguisher nameplate
Choosing an extinguisher for Obstacle Fires shall be based on the following ✔✔Extinguisher contains a vapor suppressing foam, multiple extinguishers for class B agents, and larger capacity (10lb) with a discharge rate of 1 lb/sec
What is required when a hazard is protected by an automatic fire suppression system? ✔✔Placard shall be placed conspicuously near the extinguisher that states the fire protection system before a portable extinguisher
What type of extinguisher shall be installed in areas containing oxidizers, such as pool chemicals? ✔✔Dry chemical
Internal examination interval of stored pressure dry chem with stainless shell is how long? ✔✔ 5 Years
Internal examination interval of AFFF and FFFP is how long? ✔✔3 Years with extinguishing agent replaced
Internal examination interval of stored-pressure water i show long? ✔✔5 years
Inspection procedures for Class D is what? ✔✔Located in designated place, no obstructions, lid is sealed, fullness by weight, and no obvious damage
Fire extinguishers and Class D extinguishing agents shall be inspected how often? ✔✔Less than 31 days and at least once per calendar month
Are persons training to become certified, authorized to perform maintenance and recharging etinguishers? ✔✔only under immediate supervision of a certified person
Cabinets housing extinguishers shall not be locked, except when? ✔✔When they are subject to malicious intent and cabinets have emergency access
In NO case shall the clearance between the bottom of the extinguisher and the floor be less than how high? ✔✔4 inches
Fire extinguishers with a weight over 40 lbs shall be installed how? ✔✔SO that the fire extinguisher is less than 3½ ft off the floor
Fire extinguisher under 40 lbs shall be installed how? ✔✔SO that the top of the fire extinguisher is not more than 5 ft above the floor
When signs are used to identify the location of an extinguisher, they shall comply with what? ✔✔Be in close proximity to the extinguisher and be visible from the normal path of travel
Does the use of sprinklers, standpipe, hose or other fixed fire protection change where portable fire extinguishers are required? ✔✔No, install of fire extinguishers is seperate
Internal exam interval of store-pressure loaded system, pump tank water with calcium chloride, dry chem cartridge and cylinder operated with mild steel shells and wetting agents is how long? ✔✔1 year
Inspection procedures ✔✔located in designated place, no obstruction, pressure gauge is operable, fullness determined by weight. condition of tires, wheels, carriage, hose and nozzle for wheeled
If Class D extinguishers have conditions that require they be inspected more frequently, how often? ✔✔Daily or weekly
