FF1-Mobile Water Supply-Chapter 14
Exam Graded A+
A dry hydrant provides access to a: - ANSWER-static water source
A jet siphon is used for which application? - ANSWER-transferring water between
portable tanks
A Pitot gauge is used to calculate: - ANSWER-volume of flowing water
According to the NFPA, what is the minimum distance between the center of a fire
hydrant outlet and the finished grade of the ground around the hydrant? - ANSWER-18"
An object in motion possesses which kind of energy as a result of that motion? -
ANSWER-kinetic
Another term for head pressure is ______ pressure. - ANSWER-elevation
Fire fighters may need to hold on to the __ while filling a self-expanding portable tank. -
ANSWER-collar
Fire hydrants should be inspected and operated at least once every _____ months. -
ANSWER-12
Friction loss is ________ proportional to the length of a hose. - ANSWER-directly
How can you determine that a dry-barrel hydrant is still draining? - ANSWER-place a
hand over an outlet and feel for suction
How close must a fire engine get to a static water source to be able to draft directly from
it through hard suction hose? - ANSWER-20 ft.96 m.)
How many gallons per minute can a tanker shuttle operation deliver without
interruption? - ANSWER-several hundred
In a well-designed water distribution system, which type of pattern do the water mains
follow? - ANSWER-grid
In areas of the western U.S. where aircraft are used to fight wildland fires, which term is
used for automotive water supply apparatus? - ANSWER-tender
In general, mobile water supply apparatus (tankers) carry ______ of water. - ANSWER-
1000 to 3500 gal
