NFPA 10 PFE Chapter 7 Inspection, Maintenance & Recharging Exam 18 Questions with Verified Answers,100% CORRECT

Document Content and Description Below

NFPA 10 PFE Chapter 7 Inspection, Maintenance & Recharging Exam 18 Questions with Verified Answers When should happen when fire extinguishers are removed from service for maintenance? - CORRECT ANS ... WER 7.1.3 They should be replaced by a FE for the type of hazard being protected and shall be of at least equal rating. What is tags or labels for recording inspections should not be doing? - CORRECT ANSWER 7.1.4.1 Should not obstruct the FE classification or manufacturer's label. What is how often FE should be inspected? - CORRECT ANSWER 7.2.1 Not to exceed 31 days or when conditions exist that indicate the need for more frequent inspections. What are the min. steps for a Fire Extinguisher Inspection? - CORRECT ANSWER 7.2.2 1. Location in designated place. 2. Visibility of the FE or means of indicating the FE location. 3. Access to the FE 4. Pressure gauge reading in the operable range. 5. Fullness determined by weighing or hefting. 6. Condition of tires, wheels, carriage, hose and nozzle for wheeled FE. 7. Indicator for nonrechargeable FE using push-to-test pressure indicators. How should manual inspection records for fire extinguishers be kept? - CORRECT ANSWER 7.2.4.1.1 Should be kept on a tag or label attached to the FE or an inspection checklist maintained on file. What are the 4 step maintenance procedures for a fire extinguisher? - CORRECT ANSWER 7.3.1 Thorough examination of the basic elements of the FE 1. Mechanical parts of the FE. 2. Extinguishing Agent. 3. Expelling Means. 4. Physical Condition. What is the fire extinguisher maintenance Interval? - CORRECT ANSWER 7.3.1.1 Not more than 1 year, or at the time of hydrostatic test. How should you perform a physical Examination of fire extinguishers? - CORRECT ANSWER 7.3.2.1 Check for physical damage, corrosion, nozzle blockage, verify operating instructions are present, facing forward and determine if 6-yr hydrostatic test is due. What is the replacement frequency for AFFF & FFFP agents? - CORRECT ANSWER 7.3.3.1 At least once, every three years. Can multipurpose dry chemicals be mixed with alkaline-based dry chemicals? - CORRECT ANSWER 7.8.3.2 No Can dry chemicals be reused? - CORRECT ANSWER 7.8.3.3.1 Yes, if it is thoroughly checked for the proper type, contamination and condition and a closed recovery system is used and the agent is stored in a sealed container. What is the vapor phase of carbon dioxide? - CORRECT ANSWER 7.8.3.9.1 Shall not be less than 99.5% Carbon Dioxide. What should the water content of Carbon Dioxide be? - CORRECT ANSWER 7.8.3.9.2 Not more than 60 parts/million by weight at -52F What should the oil content of Carbon Dioxide be? - CORRECT ANSWER 7.8.3.9.3 Not to exceed 10 ppm by weight. How do you determine the amount of liquid agent for water type fire extinguishers? - CORRECT ANSWER 7.8.3.10 By using one of the following: 1. Exact measurement by weight. 2. Exact measurement by volume. 3. Anti-overfill tube 4. Fill mark on fire extinguisher shell. Can wet chemical and water mist agents be reused? - CORRECT ANSWER 7.8.3.11.1 No. What should be done to a wet chemical/water mist agent if the fire extinguisher is partially discharged? - CORRECT ANSWER 7.8.3.11.2 All remaining agents should be discarded and replaced. FE Recharge Record-Keeping - CORRECT ANSWER Each FE shall have a tag or label attached that indicates the month and year recharging was performed, identifies the person performing the service and identifies the name of the agency performing the work. [Show More]

Last updated: 2 years ago

Preview 1 out of 2 pages