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BOF Mod B Mid-Term Questions And Answers With Verified Solutions Already Passed!!! (GRADED A+)
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BOF Mod B Mid-Term Questions And Answers With Verified Solutions Already Passed!!! (GRADED A+)
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BOF Mod B Mid-Term Questions AndAnswers With Verified Solutions Already
Passed!!! (GRADED A+)
Recommended MINIMUM pressure for water distribution systems? - ANSWER✔✔
20 PSI
Types of water main - ANSWER✔✔ 1)Primary feeders or trunk lines
2)Secondary feeders or branch lines
3)Distributors
Standard distance between two residential fire hydrants - ANSWER✔✔ 500ft
Standard distance between two high value area fire hydrants - ANSWER✔✔ 300ft
What is a dry barrel hydrant? - ANSWER✔✔ Used in areas of possible freezing and
below freezing temps
Where is a wet barrel hydrant used? - ANSWER✔✔ Warmer areas
What is water flow? - ANSWER✔✔ Quantity of water moving through the pipe or
house measured in GPM (gallons per minute)
What is water pressure? - ANSWER✔✔ Amount of force per square inch of water
measured in psi (pounds per square inch)
,What is potential energy? - ANSWER✔✔ Stored energy
What is kinetic energy? - ANSWER✔✔ Energy being used
What is static pressure? - ANSWER✔✔ The amount of pressure in the water when
no water is moving and is potential energy
What is residual pressure? - ANSWER✔✔ Amount of pressure in the water
distribution system during period of normal consumption
What is friction loss influenced by? - ANSWER✔✔ Size, volume, pressure, and
distance
What is elevation pressure? (head pressure) - ANSWER✔✔ The amount of
pressure lost by going up a flow
What is a water hammer? - ANSWER✔✔ Surge in pressure caused by a sudden
stop of water flow, can cause hose rupture, separated couplings, plumbing
damage
How often should hydrants be tested? - ANSWER✔✔ At least once a year
How much water does a tender carry? - ANSWER✔✔ A tender usually carries up
to 3500 gallons of water
, How much water does an engine carry? - ANSWER✔✔ Engines usually carry up to
500 gallons
What is the first thing to do when considering forced entry? - ANSWER✔✔ Try
before you pry
Examples of rotating tools - ANSWER✔✔ Screwdrivers, wrenches, rotating saws,
and pliers
Examples of striking tools - ANSWER✔✔ Flat-head axe, battering ram, sledge
hammer
What type of tool is a halligan? - ANSWER✔✔ Prying tool
Examples of cutting tools - ANSWER✔✔ Axes, pick-head axe, bolt cutters, rotary
saw, reciprocating saw, circular saw
What tools are used to disassemble the locking mechanism on doors? -
ANSWER✔✔ Bam-bam tool, duck-billed lock breaker, locking pliers and chains
What are the two types of wood doors? - ANSWER✔✔ stopped and rabbited
What type of door is a slab door? - ANSWER✔✔ solid or hollow core door that is
wooden
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