NFPA 10 Portable Fire Extinguishers 71 Questions with Verified Answers,100% CORRECT

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NFPA 10 Portable Fire Extinguishers 71 Questions with Verified Answers The certication of service personal shall be required after ________ - CORRECT ANSWER August 17,2008 NFPA 10 Liquefied Petr... oleum Gas Code. True or False? - CORRECT ANSWER True NFPA 407 Standard for Aircraft Fuel Servicing 2007 Edition / True or False - CORRECT ANSWER True ANSI / Definition - CORRECT ANSWER American National Standards Institute Carbon Dioxide / Definition - CORRECT ANSWER A Colorless, Odorless, Electrically non- conductive inert gas that is a suitable medium for extinguishing class B &C Fires Dry Chemical / Definition - CORRECT ANSWER A powder composed of very small particles, usually sodium bicarbonate-, potassium bicarbonate What is the Definition of Wet Chemical? - CORRECT ANSWER Normally an aqueous solution of organic or inorganic salt. What are the two Extinguisher Chemicals - CORRECT ANSWER Wet and Dry What are the two Closed Recovery System - CORRECT ANSWER Dry and Halogenated A System that is constructed in a manner that does not introduce foreign material into the agent being recovered and has a means of visually inspecting the recovered agent for contaminants. - CORRECT ANSWER Dry Chemical Closed Recovery System A system that provides for the transfer of halogenated agents between fire extinguishers, supply containers, and recharge and recovery containers so that none of the halogenated agent escapes to the atmosphere - CORRECT ANSWER Halogenated Closed Recovery System What are the two types of Cylinders - CORRECT ANSWER High & Low Pressure Cylinders Cylinders or Cartridges containing nitrogen, compress air, carbon dioxide, or other gases at a presser higher than 500 psi at 70 Degrees - CORRECT ANSWER High-Pressure Cylinder A Cylinder containing fire extinguishing agent (medium) , nitrogen compressed air,or other compressed gases at a service pressure of 500 psi or at70 degrees - CORRECT ANSWER Low-Pressure Cylinder What is a Ordinary combustibles extinguisher - CORRECT ANSWER Class "A" extinguisher Flammable and combustible liquids and gases extinguisher? - CORRECT ANSWER Class "B" extinguisher Electrical extinguisher? - CORRECT ANSWER Class "C" extinguisher Combustible metals extinguisher? - CORRECT ANSWER Class "D" extinguisher Kitchen extinguisher? - CORRECT ANSWER Class "K" extinguisher What is the color rating of a D Class fire extinguisher? - CORRECT ANSWER Yellow Aqueous film foaming foam extinguishers are suitable for use on Class ___ and Class ___ fires. - CORRECT ANSWER A;B CO2 extinguishers are effective in extinguishing Class ___ and Class___ fires - CORRECT ANSWER B;C A Sodium Bicarbonate extinguisher is a ____ type of fire extinguisher - CORRECT ANSWER Dry Chemical Class ___ agents cannot be given multi-purpose rating for use on other classes. - CORRECT ANSWER D Dry powder agents are for Class ____ fires only - CORRECT ANSWER D NFPA ___, Standard for portable fire extinguishers, provides information on rating, placement, and use of portable extinguishers - CORRECT ANSWER 10 The mixing of ____ and water results in a vapor seal by creating a film foam on the surface of the water. The vapor seal extinguishes the flame and prevents reignition - CORRECT ANSWER AFFF AFFF extinguishers do not work well for fires in Class ____ or Class___ fuels - CORRECT ANSWER C;D Which extinguishers are most commonly used for highly sensitive computer equipment Halon ; - CORRECT ANSWER Carbon Dioxide The United States unilaterally decided to stop producing halogen extinguishers at the end of ____ - CORRECT ANSWER 1993 If an extinguisher is found to be deficient in weight by ___% it should be removed from service and replaced - CORRECT ANSWER 10% What is a Extinguisher Inspection? - CORRECT ANSWER A quick check that a fire extinguisher is in its designated place, that its has not been actuated or tamper with, that there is no obvious physical damage or condition to prevent it operation. Define Extinguisher Maintenance - CORRECT ANSWER A thorough examination of the fire extinguisher. It includes a thorough examination for physical damage or condition to prevent its operation and any necessary repair or replacement. It will normally reveal if hydrostatic testing or internal maintenance is required. What is AFFF? - CORRECT ANSWER Aqueous Forming Foam Agent What is FFFP? - CORRECT ANSWER Film-Forming Fluoroprotein Foam What are the two Halogenated Agents? - CORRECT ANSWER Halocarbons, Halons What is Halocarbon Agents? - CORRECT ANSWER Halocarbon agents include hydro-chloroflurocarbon (HCFC), hydrofluorocarbon (HFC), perfluorocarbon (PFC) and fluoroiodocarbon (FIC) types of agents. What is Halon? - CORRECT ANSWER Halons include bromochlorodifluoromethane (Halon 1211), bromotrifluoromethane (Halon 1301), and mixtures of Halon 1211 and Halon 1301. What is Hydrostatic Testing? - CORRECT ANSWER Pressure testing of the extinguisher to verify its strength against unwanted rupture. What is the ICC? - CORRECT ANSWER The Interstate Commerce Commission, which had jurisdication over high-pressure cylinders and cartridges prior to1967. What are the 5 classifications of fire? - CORRECT ANSWER Class A, B, C, D, K What class of foam will reduce surface tension of water? - CORRECT ANSWER Class A foam What class of fires are dry powder extinguishers rated for? - CORRECT ANSWER Class D only How do carbon dioxide extinguishers work? - CORRECT ANSWER By displacing oxygen How is the effectiveness of a class D extinguisher expressed? - CORRECT ANSWER There is no numerical rating of a class D system How to perform the bank down application method - CORRECT ANSWER Apply foam off a solid surface to deflect down onto the fire A yellow star symbolizes what class of fire extinguisher? - CORRECT ANSWER Class D Expansion rate of High Expansion foam - CORRECT ANSWER 1000:1 Oxygen exclusion is called.... - CORRECT ANSWER Smothering What agent is most effective on class B fires? - CORRECT ANSWER Foam How often should extinguishers be serviced? - CORRECT ANSWER Annually or after each use When should an extinguisher be removed from service? - CORRECT ANSWER if it is 10% weight deficient What is the numerical range of rating for class A extinguishers? - CORRECT ANSWER 1A to 40A What classes of extinguishers use numerical ratings? - CORRECT ANSWER Class A and B only Multipurpose rated extinguishers are used for what class fires? - CORRECT ANSWER Class A, B, & C What label types do NFPA require on extinguishers? - CORRECT ANSWER Pictographs Expansion rate of Medium Expansion foam - CORRECT ANSWER 200:1 If halon extinguishers weigh less than 9lbs, what class of fire is it used for? - CORRECT ANSWER Class B & C Dry chemical extinguishers are rated for what class fire? - CORRECT ANSWER Class B & C Examples of obsolete extinguishers - CORRECT ANSWER Internal cartridge, water type,Carbon tetrachloride What type of cartridge should an extinguisher have where freezing is possible? - CORRECT ANSWER Nitrogen Cartridge What metals are class D extinguishers effective on? - CORRECT ANSWER Only effective on a few types of metals What does a rating of 20B mean? - CORRECT ANSWER it extinguishers 20 sq ft of a class B fire What class of fire is a carbon dioxide extinguisher used for? - CORRECT ANSWER Class B & C What is important requirement for a class C rated extinguisher? - CORRECT ANSWER Should not conduct electricity 3 considerations for inspecting extinguishers - CORRECT ANSWER Accessibility, serviceability, simplicity of use Foam that reduces the surface tension of water is good for what class of fire? - CORRECT ANSWER Class A When an extinguisher empties during use, what should be done - CORRECT ANSWER Withdraw & recharged How much of a liquid does an extinguisher of 1A contain? - CORRECT ANSWER 1 1/4 gallons of water What causes a bright white flame? - CORRECT ANSWER Magnesium fire By what criteria are extinguishers classified? - CORRECT ANSWER Performance capability & type of fire they are used for [Show More]

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