Fire protection systems Chapter 9

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?

Agent storage containers pg 215

Which of the following is NOT one of the three general categories of dry chemical extinguishing agents?

Baking soda-based pg 212 or 222-223

Which of the following is most likely protected by fixed dry chemical extinguishing systems?

Bulk fuel storage areas pg 211-212

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?

6 years pg 221

What must the manufacturer include on the nozzle to identify the particular nozzle type?

Permanent markings **

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?

Piping and fittings pg 216 maybe 215*

Which system protects enclosed hazards and areas within a structure, such as in paint spray booths?

Total flooding system pg 218

How often should the owner or a representative visually inspect the extinguishing system for conditions that could cause failure of, or inhibit, operation?

Yearly pg 221***

A wet or dry chemical system initiates a(n) ______ upon activation

alarm signal pg 213 or 218

When conducting wet chemical systems discharge and acceptance tests, _______ are attached to the nozzles to capture the agent when discharged.

balloons pg 220

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:

fluidization. pg 216

Which of the following describes a mechanical device that is used as an automatic activation device for wet or dry chemical extinguishing systems?

fusible link pg 217

Which of the following is NOT a pressurized gas used as a transport medium for dry chemical extinguishing agents?

oxygen***

Wet chemical extinguishing agents use water-based solutions mixed with any of the following agents or additives, EXCEPT:

potassium citrate.*** 211

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

pre-engineered pg 213

Ammonium phosphate is _________ in order to differentiate it from other dry chemicals

purple pg 212

What occurs when the extinguishing agent reacts with the cooking oil to form a soapy foam blanket that provides separation between oxygen and fuel?

saponification**

Which of these extinguishing systems protects commercial kitchen appliances and the associated ductwork, exhaust hoods, filters, and plenum chambers?

Dry chemical extinguishing system pg 216

Which of the following can stand alone, supplement fire extinguishers, or supplement fixed dry chemical systems?

Hand hose line system pg 219

Which system protects a specific area, piece of equipment, process, or operation depending on the hazard?

Local application system pg 218

Dry chemical extinguishing agents are not considered to be dangerous or toxic, although _________ can occur once it is expelled from the system.

. respiratory problems pg 213