Chap 9. Fire protection systems

Dry chemical extinguishing agents are not considered to be dangerous or toxic, although _________ can occur once it is expelled from the system. Select one: A. respiratory problems B. reaction with flammables C. conductivity problems D. noncorrosive problems

A. P.212

Which of the following is NOT one of the three general categories of dry chemical extinguishing agents? Select one: A. Baking soda-based B. Potassium-based C. Sodium bicarbonate-based D. Multipurpose

A. P.212

Which of the following is most likely protected by fixed dry chemical extinguishing systems? Select one: A. Self-serve fuel-pump stations B. Injection molding processes C. Woodworking appliances D. Bulk fuel storage areas

A. P.212

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. Select one: A. pre-engineered B. local application C. NFPA-adopted D. manually controlled

A. P.213

Which system protects enclosed hazards and areas within a structure, such as in paint spray booths? Select one: A. Total flooding system B. Local application system C. Hand hose line system D. Remote application system

A. P.218

What occurs when the extinguishing agent reacts with the cooking oil to form a soapy foam blanket that provides separation between oxygen and fuel? Select one: A. Pontification B. Saponification C. Condensation D. Evaporation

B. P.211

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. This is called: Select one: A. condensation. B. fluidization. C. liquefaction. D. saponification.

B. P.216

Which system protects a specific area, piece of equipment, process, or operation depending on the hazard? Select one: A. Total flooding system B. Local application system C. Remote application system D. Hand hose line system

B. P.218

Which of the following can stand alone, supplement fire extinguishers, or supplement fixed dry chemical systems? Select one: A. Local application system B. Hand hose line system C. Remote application system D. Total flooding system

B. P.219

Which of these extinguishing systems protects commercial kitchen appliances and the associated ductwork, exhaust hoods, filters, and plenum chambers? Select one: A. Gaseous agent extinguishing system B. Foam-water extinguishing system C. Wet chemical extinguishing system D. Dry chemical extinguishing system

C. P.211

Ammonium phosphate is _________ in order to differentiate it from other dry chemicals. Select one: A. blue B. white C. yellow D. purple

C. P.212

Wet chemical extinguishing agents use water-based solutions mixed with any of the following agents or additives, EXCEPT: Select one: A. potassium acetate. B. potassium citrate. C. aqueous film-forming foam. D. potassium carbonate.

C. P.212

Since many manufacturers do not combine the wet chemical agent and expelling gas, which of the following is used to store the expelling gas until it is needed when the system activates? Select one: A. Nozzles B. Piping and fittings C. Gas cartridges D. Agent storage containers

C. P.215

What must the manufacturer include on the nozzle to identify the particular nozzle type? Select one: A. Security packaging B. Zip-tied specifications C. Permanent markings D. Instruction booklet

C. P.216

Which of the following describes a mechanical device that is used as an automatic activation device for wet or dry chemical extinguishing systems? Select one: A. push button B. pull station C. fusible link D. trip wire

C. P.217

How often should the owner or a representative visually inspect the extinguishing system for conditions that could cause failure of, or inhibit, operation? Select one: A. Yearly B. Quarterly C. Monthly D. Semiannually

C. P.220

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? Select one: A. 12 years B. 3 years C. 6 years D. 5 years

C. P.221

Which of the following components is used to store wet or dry chemical agents, and is made of metals that will not react with the agent? Select one: A. Nozzles B. Piping and fittings C. Gas cartridges D. Agent storage containers

D. P.217

A wet or dry chemical system initiates a(n) ______ upon activation. Select one: A. intermittent beeping B. rush of air C. phone message D. alarm signal

D. P.218