CH11 Flashcards
(20 cards)
A ______ on the fire using a solid or straight stream uses water most efficiently on free-burning fires.
direct attack
pg 389
The water is applied directly onto the burning fuels until the fire is extinguished.
direct attack
pg 389
A(n) ________ can be made from inside or outside the structure. The attack is made by firefighters directing the stream toward the ceiling to cool the room or by banking the stream off the walls.
indirect attack
pg 389
While an _________ cools the fire environment, it results in a fairly uniform temperature from floor to ceiling and fills the compartment with smoke and steam.
indirect attack
pg 389
To ________, firefighters move the nozzle from the area overhead to the floor in a T, Z, or rotational pattern.
combine attacks
pg 391
The ______ sists farthest from the riser.
design area
pg 393
According to __________, fire companies should take prompt action to supply automatic sprinkler systems.
NFPA 13E
pf 393
According to NFPA 13E, a residential sprinkler system should not be pressurized to more than ____ pressure.
water main
pg 394
Standpipe systems are most common in ________, but fire departments may find them in large-area, one story structures, such as warehouses, factories, and shopping malls.
high-rise structures
pg 394
Most buildings over __ stories tall provide vertical standpipes.
4
pg 394
________ standpipes reduce the effort required to advance hose lines long distances, often several hundred feet, into a structure.
Horizontal
pg 395
NFPA ___, requires a pressure regulating device to limit the discharge to those pressures unless otherwise approved by the fire department.
14
pg 396
When a standpipe system includes ________, the elevation pressure must be based on the total height of the standpipe or zone being used.
pressure-reducing valves
pg 396
If the fire floor is higher than the reach of the aerial device, the aerial device can work in place of hose lines for the first ___ to ___ floors.
6 to 10
pg 398
The _______ relay method sends volume directly to the intake of pumpers downstream.
closed relay
pg 399
The ________ method sends water to folding tanks that act as a reservoir.
open relay
pg 399
Centrifugal pumps are rated to pump at their maximum volume capacity at ___psi at draft.
150
pg 404
________ pumping consists of two fire pumpers running in series to take water from the discharge of one and increase the pressure by pumping into the intake of the other.
Tandem
pg 411
In tandem pumping operations apparatus may be located up to ___ feet apart.
300
pg 411
With _______ pumping, one hydrant with high flow (a hydrant with a flow greater than 1,000GPM) is used to supply two fire pumps.
dual pumping
pg 413