conductivity problems Question 5 1 out of 1 points How often should the owner or a representative visually inspect the extinguishing system for conditions that could cause failure of, or inhibit, operation? Selected Answer: D. white Question 4 1 out of 1 points Dry chemical extinguishing agents are not considered to be dangerous or toxic, although _ can occur once it is expelled from the system. 12 years Question 3 1 out of 1 points Ammonium phosphate is _ in order to differentiate it from other dry chemicals. rush of air Question 2 1 out of 1 points After how many years should dry chemical agent in stored-pressure containers be replaced to ensure that the system is fresh and ready for operation? Selected Answer: A. PontificationĪ wet or dry chemical system initiates a(n) _ upon activation. local application Question 21 1 out of 1 points _ occurs when the extinguishing agent reacts with the cooking oil to form a soapy foam blanket that provides separation between oxygen and fuel. Wet chemical extinguishing system Question 20 1 out of 1 points With a(n) _ system, the amount of suppression agent, pipe size and length, number of fittings, nozzle types, and flow rates are determined by factory and laboratory testing. Wet chemical extinguishing system Answers: A. Remote application system Question 19 1 out of 1 points Which type of extinguishing system protects commercial kitchen appliances and the associated ductwork, exhaust hoods, filters, and plenum chambers? Selected Answer: D. Remote application system Question 18 1 out of 1 points Which system protects enclosed hazards and areas within a structure, such as in paint spray booths? Selected Answer: A. Baking soda-based Question 17 1 out of 1 points Which system protects a specific area, piece of equipment, process, or operation depending on the hazard? Selected Answer: B. Carbon dioxide Question 16 1 out of 1 points Which of the following is NOT one of the three general categories of dry chemical extinguishing agents? Selected Answer: D. Bulk fuel storage areas Question 15 1 out of 1 points Which of the following is NOT a pressurized gas used as a transport medium for dry chemical extinguishing agents? Selected Answer: B. Self-serve fuel-pump stations Answers: A. Piping and fittings Question 14 1 out of 1 points Which of the following has been commonly protected by fixed dry chemical extinguishing systems since the early 1950s? Selected Answer: B. Total flooding system Question 13 1 out of 1 points Which of the following components are used to store wet or dry chemical agents, and are made of metals that will not react with the agent? Selected Answer: A. None of the above Question 12 1 out of 1 points Which of the following can stand alone, supplement fire extinguishers, or supplement fixed dry chemical systems? Selected Answer: A. Instruction booklet Question 11 1 out of 1 points When conducting discharge and acceptance tests, _ are attached to the nozzles to capture the agent when discharged. Question 10 1 out of 1 points What must the manufacturer include on the nozzle to identify the particular nozzle type? Selected Answer: C. Question 9 1 out of 1 points Wet chemical extinguishing agents use water-based solutions mixed with any of the following agents or additives, EXCEPT: Selected Answer: D. ![]() fusible link Question 8 1 out of 1 points Through proper engineering of the system, the agent and expelling gas must properly mix and maintain flow balance to ensure even distribution of the agent through the system. Nozzles Question 7 1 out of 1 points The _ is a mechanical device that is used as an automatic activation device for wet or dry chemical extinguishing systems. Monthly Question 6 1 out of 1 points Since many manufacturers do not combine the wet chemical agent and expelling gas, which of the following are used to store the expelling gas until it is needed when the system activates? Selected Answer: B. ![]() ![]() A wet or dry chemical system initiates a(n) _ upon activation.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |