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FFHB - Chapter 9

True/False
Indicate whether the sentence or statement is true or false.
 

 1. 

Rural water supply operations require careful coordination.
 

 2. 

Check valves control water flow in one direction.
 

 3. 

Gate valves must indicate open or closed in a system.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 4. 

A ____ is an underground water tank made from natural rock or concrete that can store large quantities of water for areas without other water supply or as a back-up water source.
a.
wet barrel hydrant
d.
cistern
b.
tender
e.
water table
c.
dry hydrant
 

 5. 

There are three ways in which water is supplied in a water distribution system: gravity-fed water distribution systems, pumped water distribution systems, and ____.
a.
cistern-fed water distribution systems
b.
manually powered water distribution systems
c.
combination pumped-gravity systems
d.
dry hydrant-based water systems
e.
None of the above are correct.
 

 6. 

Firefighters should ensure that fire hydrants are operated and shut down with the valve in either the ____ or closed position to prevent damage to the hydrant and to ensure unrestricted water volume.
a.
partially opened
d.
fully opened
b.
slightly opened
e.
none of the above
c.
halfway opened
 

 7. 

____ is the pumping of water from a static water source through the use of atmospheric pressure to force water from the source into the pump.
a.
Backflow
d.
Filling
b.
Residual pressure
e.
Drafting
c.
Shuttle operation
 

 8. 

Which of the following is not a type of hydrant used by the fire service?
a.
wet barrel hydrants
b.
wall hydrants
c.
high-pressure hydrants
d.
flush-type hydrants
e.
All of the above are types of hydrants used by the fire service.
 

 9. 

A sudden surge of pressure created by a quick opening or closing of valves in a water system, called a ____, is capable of damaging piping and valves within hydrants.
a.
tidal change
d.
water backflow
b.
water table
e.
jet dump
c.
water hammer
 

 10. 

____ is the amount of water available or the amount that the water distribution system is capable of flowing.
a.
Fire flow requirement
d.
Fire flow capacity
b.
Residual pressure
e.
Water table
c.
Static pressure
 



 
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