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Chapter 14, Water Supply Systems Questions and Answers Rated A+
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Chapter 14, Water Supply Systems
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Chapter 14, Water Supply SystemsChapter 14, Water Supply Systems - answer Fundamentals of fire fighter skills and
hazardous materials response (fourth edition)
Distributors - answerThe smallest-diameter underground water main pipes in a water
distribution system that deliver water to local users within a neighborhood.
Dry-barrel hydrant (frostproof hydrant) - answerA type of hydrant used in areas subject
to freezing weather. The valve that allows water to flow into the hydrant is located
underground below the frost line, and the barrel of the hydrant is normally dry.
Dry hydrant - answerAn arrangement of pipe permanently connected to a water source
other than a piped, pressurized water supply system that provides a ready means of
water supply for firefighting purposes and that utilizes the drafting (suction) capability of
a fire department pump. (NFPA 1142)
Dump valve - answerA large opening from the water tank of a mobile water supply
apparatus for unloading purposes. (NFPA 1901)
Elevated water storage tower - answerAn above-ground water storage tank that is
designed to maintain pressure on a water distribution system.
Elevation pressure - answerThe amount of pressure created by gravity. Also known as
head pressure.
Fire hydraulics - answerThe physical science of how water flows through a pipe or hose.
Friction loss - answerThe reduction in pressure resulting from the water being in contact
with the side of the hose. This contact requires force to overcome the drag that the wall
of the hose creates.
Gravity-feed system - answerA water distribution system that depends on gravity to
provide the required pressure. The system storage is usually located at a higher
elevation than the end users of the water.
Kinetic energy - answerthe energy an object has due to its motion
Mobile water supply apparatus - answerA vehicle designed primarily for transporting
(pickup, transporting, and delivering) water to fire emergency scenes to be applied by
other vehicles or pumping equipment. (NFPA 1901)
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