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Chapter 16 Water Supply Questions Graded A+
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Chapter 16 Water Supply
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Chapter 16 Water SupplyWhat is the term for the top of the hydrant? - answerBonnet
When referring to hose, what does the L stand for in LDH? - answerLarge
Portable tanks typically hold between? - answer600-5000 gallons
Which firehose has the purpose of discharging water from an attack engine onto the
fire? - answerAttack line
When is a tanker shuttle appropriate? - answerWhen a large volume of water is needed
for an extended period at a fire.
Which tool is sometimes used to tighten hard suction hose connections? - answerA
rubber mallet.
What is another term for head pressure? - answerElevation pressure
What is one of the three parts of a municipal water system? - answerThe
source/treatment plant/distribution system
When water is moving it has a combination of both potential energy and: -
answerKinetic energy
Which description best fits a house jacket? - answerA split metal cylinder.
What must be done with a dry hydrant valve to ensure it drains fully? - answerThe
discharge cap must be left off until it is drained
What are the pipes called that deliver water from the treatment facility to the fire
hydrants? - answerWater mains.
What is the advantage of a grid design in a water main system - answerIt allows water
to be routed around any points of failure
Which hose load has the hose up on its edge line side to side in the hose bed -
answerAccordion
What is the top end of the capacity range in gallons of typical portable water tanks -
answer5000
, What must go on the end of the suction hose before is placed in a portable tank for
drafting - answerA strainer
When performing a flat hose load for a forward lay which end of the hose is first to be
loaded - answerMale end
which coupling goes on the inside of a straight hose roll - answerThe male end
Which function does the inner liner of a jacketed firehose serve - answerIt is the
waterproof layer
What is the last step of rolling a straight hose roll - answerTapping out protrusions with
the foot
What does a dry hydrant enable an engine to do - answerDraft from a static source
What is installed at connection point where underground mains meet distributor pipes to
control the flow of water to individual fire hydrants - answerShut off valves
Which type of appliance is used to attach a smaller hose to a larger one - answerA
reducer
What is it called when supply hose beds on a apparatus are divided into two or more
sections - answerA split hose bed
Friction loss is affected by three factors what is one of those - answerHose diameter
If a defect is identified on a hose during an inspection what is one of the steps to be
taken - answerTag the hose and mark the defect
What is the term for an arrangement of water mains that deliver water to hydrants from
more than one direction at the same time - answerA grid
What is the recommended minimum pressure in psi for water coming from a fire hydrant
- answer20psi
The working hose drag - answerCan only be used for a relatively short distance
What is the term for the amount of pressure in a water distribution system during a
period of normal consumption - answerNormal operating pressure
Which type of valve is used on nozzles - answerBall valve
What should firefighters do to avoid water hammer - answerOpen and close fire hydrant
and nozzles slowly
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