Fire 163 Midterm Review
Data compiled by the NFPA between 2007 and 2011 revealed that certain occupancies equipped with ________ had an average fire loss that was between 31 and 76 percent less than properties without these systems.
automatic fire sprinkler systems
Which type of system manages a water system by using pumps to fill water towers and gravity to supply homes and businesses?
combined system
The main purpose of the model code organizations has always been to _________ building, fire, mechanical, plumbing, electrical, and other related code, standards, and recommended practices independent of the influence, affiliation, and pressure exerted by special interest groups.
develop and maintain
Which of the following hydrants is designed for use in cold climates where freezing is a problem? Dry hydrant Dry barrel Wet barrel Precharged hydrant
dry barrel
After determining the occupancy and combustibility, the system design must deliver enough water to absorb the energy from the fire and is based on:
energy output
When a sprinkler head is installed on a finished ceiling or wall, a(n) _______ is required and may be either required as part of the listed assembly or included only as a decorative touch.
escutcheon plate
In this transition stage, the temperature in a room or space reaches a point at which all of the surfaces of the room or space simultaneously ignite, immediately leading to full room involvement.
flashover stage
What needs to be done before a standpipe system is connected to any water source and should continue until the water flow is clear?
flushing
Under the NFPA's commonly used color coding system, which color is used for a hydrant that provides 1500 gallons per minute or greater?
light blue
If the standpipe system has an automatic water supply, a ___________ should go to the exterior of the building of the building and provide a means to safely remove the system water so it will not be a hazard.
main drain
Which of the following standpipe systems has air in it and can be used only by connecting a water source to the fire department connection? Automatic wet Automatic dry Manual wet Manual dry
manual dry
The __________ system contains water in the pipe at all times; the water is typically supplied from the building's domestic water system - not from a dedicated fire service line.
manual wet
What test is NOT accomplished on a deluge or wet sprinkler system?
Air test
All inspection, tests, and certification of new public and private water lines, including visual inspection of materials and securing methods; hydrostatic testing; line testing; and disinfection, are usually handled by the:
Approving authority
Which of the following standpipe classifications provides occupants a hose rack with a preconnected hose and nozzle with a lower supplied water pressure?
Class II
Which type of fire involves cooking appliances using combustible vegetable or animal oils and fats?
Class K
________ are a system of rules, regulations, or laws that are usually put into effect by government and have statutory authority to be enforced.
Codes
When having new construction done in an existing building, what must be followed in the area of the building where the construction is taking place?
Current code requirements
Which of the following is NOT a primary determination for whether fire protection systems are required? Time of construction Function of the structure Inhabitants of the structure Distance to the closest fire house
Distance to the closest fire house
Which of the following is NOT part of the water supply system source/supply network? Water source Water intake Treatment system Distribution pumps
Distribution pumps
Aside from protecting human life, why would a building owner install a fire protection system to protect the structure and the contents?
Doing so makes good business sense
Which fire sprinkler head uses a deflector designed to discharge water over a greater area than a standard sprinkler head?
Extended-coverage sprinkler head
Which standpipe component is a coupling devise that is found on the exterior of a building and is attached to a pipe connected the the standpipe system, sprinkler system, or both?
Fire department connection
What needs to be done before a fire sprinkler system is connected to any water source and should be continued until the water flow is clear?
Flushing
Which commonly used suppression agent can cover leaking fuel so that oxygen cannot reach the fuel?
Foam
Which of the following stages of fire occurs when the heat source, fuel, and oxygen come together to generate more heat than is dissipated, thus promoting the uninhibited chain reaction?
Incipient stage
Which person or organization(s) requires commercial and industrial building owners to install some type of fire protection system?
Insurance companies
Which of the following organizations was NOT part of the merger to become the International Code Council in the mid-1990s? Building Officials and Code Administrators (BOCA) Southern Building Code Congress International (SBCCI) National Fire Protection Association (NFPA) International Conference of Building Officials (ICBO)
NFPA
Which of the following NFPA standards was one of the first standards published by the NFPA, though it was first known by another name?
NFPA 13
__________ addresses installing sprinklers in one- and two-family dwellings and manufactured homes in areas such as kitchen, living rooms, and bedrooms?
NFPA 13D
Which type of sprinkler head could be orientated to discharge water up and down with 40 to 60 percent of the water initially flowing downward upon activation?
Old-style sprinkler head
This type of fire starts without a known external heat source being applied to the combustible material.
Spontaneous combustion
_________ is defined as the pressure exerted on a water supply system when there is no water flowing.
Static pressure
Which of the following is a geometric depiction, developed through ongoing research, showing how the fire is sustained by a chain reaction
The fire tetrahedron
What has served as a teaching tool to geometrically depict the relationship between fuel, air, and heat?
The fire triangle
Which of the following is a myth that requires further education in order to dispel the public's opinion of automatic fire sprinkler systems? They save home owners money. They cause more damage than they are worth. They are effective. They are easy to install.
They cause more damage than they are worth
In the 1900s, which of the following organizations developed a method of classifying or categorizing fires based on the extinguishing agent that was appropriate for the type of fire?
Underwriters Laboratories
______ is the most effective suppression agent for Class A fires because it has the ability to absorb the heat and reduce the temperature below the materials ignition temperature.
Water
Which type of sprinkler system is the least expensive, most frequently installed, easiest to maintain, easiest to modify, and most reliable type of fire sprinkler system available?
Wet pipe system
The model codes are the _____ acceptable level of performance or risk, and therefore there may be an instance in which the code is not adequate for the circumstances.
minimum
To ensure utilization and adoption of the best methods, standards, and practices, the authors of the model codes reference which of the following to meet the required performance characteristic or design intent?
ocuments published by nationally recognized organizations
A(n) ____________ is a valve with a free standing post that houses the stem extension of an underground valve control. The position of the valve is whown in a small window.
post indicator valve
Class B fires involving flammable and combustible liquids are typically extinguished through which action?
smothering
Which of the following hydrant styles always has water in it for immediate use by fire fighters and is controlled by separate valves for each opening? Dry hydrant Dry barrel Wet barrel Precharged hydrant
wet barrel
If a facility is equipped with an NFPA 13 automatic sprinkler system, what is the maximum flow requirement?
1000 gpm
According to NFPA 14, a fire department connection must be located a minimum of ______ above the adjoining ground, sidewalk, or grade surface.
18 inches
According to NFPA 14, what is the maximum height that a fire department connection may be located above the adjoining ground, sidewalk, or grade surface?
48 inches
What is the minimum design pressure for a standpipe system at the hydraulically most remote 1 1/2 inch hose valve outlet?
65 psi
