Plans Examiner 2023 Complete
Basically, there are ____ types of foam fire extinguishing systems. Ans- 5
A foam fire-extinguishing system must have an adequate water supply, foam concentrate supply, piping
system, ________ and form discharge devices. Ans- proportioning equipment
Where topside a...
Plans Examiner 2023 Complete
Basically, there are ____ types of foam fire extinguishing systems. Ans- 5
A foam fire-extinguishing system must have an adequate water supply, foam concentrate supply, piping
system, ________ and form discharge devices. Ans- proportioning equipment
Where topside application of foam may not be effective because of wind or heavy fire conditions, a
______ may be used. Ans- subsurface injection system
High expansion foam is designed for local application or total flooding in _____ applications. Ans-
commercial and industrial
A device that introduces the correct amount of foam concentrate into the water stream to make the
foam solution is a(n): Ans- foam proportioners
Which of the following is not necessary to produce a high-quality fire fighting foam? Ans- fog nozzle
Halon ____ is more commonly found in fixed fire extinguishing systems for total flooding application.
Ans- 1301
Using a foam proportioner that is not _______ and matched with the foam distributor nozzle or
sprinkler can result in unsatisfactory quality foam or no finished foam. Ans- hydraulically engineered
Finished foam is ____ percent water. Ans- 94 to 99.5
A fluorinated surfactant added to detergent foam that causes water to drain from the foam blanket and
float on top of hydrocarbon fuel spills is called a(n): Ans- aqueous film
Which of the following is a synthetic based foam; when applied to polar solvent fuels, creates a
membrane rather than a film over the fuel? Ans- AR-AFFF
,Which of the following is not a foam proportioner commonly used for fixed systems? Ans- pressure
bypass system proportioner
A coupled water motor-pump proportioner consists of two positive displacement _____ pumps that are
mounted on a common shaft. Ans- rotary gear
A _____ supplies water and foam at the same pressure to ensure the creation of high-quality foam. Ans-
balanced foam proportioner
Around the pump proportioners have a bypass line "around the pump" that is responsible for adding
_____ to the discharge stream. Ans- foam concentrate
Inspection, service and testing of foam fire-extinguishing systems shall meet the requirement outline in
NFPA: Ans- 25
Individual hazards involving flammable liquids with depth are often protected by: Ans- fixed
extinguishing systems
Which of the following are part of a means of egress?
a) exit access, exit, and exit discharge
b) exit, exit access, and enclosed hallway
c) exit discharge, passage way, and ramp
d) escalator, fire escape, and stairs Ans- a
When panic hardware is required, occupants should be able to open the door by applying a force of not
more than ____ pounds. Ans- 15
When illumination of exits is required, it must be continuous during occupancy and floors must be
illuminated at not less than 1 foot candle measure at the: Ans- floor
When two or more exits is required, they shall be located: Ans- remote from each other
, The rating required for a fire door in an exit stairway is determined by all of the following except the:
Ans- occupant load
When determining the capacity of an exit, it is necessary to compute the exit _____ for each of the three
components for a means of egress, the exit access, _____ and the exit discharge. The ____ of the ____
components is the total capacity of the exit.
1. capacity 4. access
2. smallest 5. the exit
3. three 6. four Ans- 1523
The ____ is that portion of a means of egress that is between the end of an exit and a/an ________.
1. exit discharge
2. public way
3. start
4. exit door Ans- 12
The primary problem with external fire escape stairs is: Ans- maintenance
In addition to determining how many people may occupy a building, an inspector must determine the
number of exits. This is part of the: Ans- means of egress
Exit signs must be located so that no point in the exit access is more than ____ from the nearest visible
sign.
The letter on exit signs must be at least _____ high and the stroke of the letter must be _______ wide.
The use of ______ exit signs is based on the observation that the area near the ____ is the first to be
obscured by smoke.
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