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ch 16 fire streams
fire streams
36
Other
Not Applicable
08/15/2014

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Cards

Term
minimum acceptable flow rates for interior structural fire attack
Definition
150 GPM minimum/ 180 GPM preferred
Term
minimum acceptable flow rate for commercial occupancies
Definition
250 GPM
Term
critical flow rate
Definition
the flow at which the company can win the battle and kill the fire
Term
water extinguishes fire primarily through ______
Definition
cooling
Term
hoseline handling characteristics are a function of what four factors?
Definition
flow rate
hose size
friction loss
PDP
Term
practical flow limit for 1.5 inch line
Definition
125 gpm
Term
practical flow limit for 1 3/4 inch line
Definition
200 gpm
Term
NFPA standard ______ covers all things regarding fire hose
Definition
1962
Term
smooth bore tip orifice size should be ___ the inside diameter of the hose
Definition
1/2
Term
most common nozzle valve configuration?
Definition
1 3/8 waterway quarter turn ball valve with bale type handle
Term
the simplest and most trouble free nozzle type
Definition
smooth bore
Term
the simplest and most trouble free of the fog nozzles
Definition
constant gallonage fog nozzle
Term
some fog nozzles have a ____ feature that allows small pieces of debris to be discharged
Definition
flush
Term
the authors preffered combination of hose and nozzle size for maximum flow rate and lowest nozzle reaction is....
Definition
2.5" line with 1 1/8 tip with 50 psi at the nozzle, 266 gpm, and 95 lbs of reaction force
Term
the ADULTS acronym helps in remembering when a 2.5" line is indicated. it stands for ......
Definition
Advanced fire on arrival
Defensive operations
Unable to determine extent of fire
Large, uncompartmented areas
Tons of water
Standpipe systems
Term
which style of fire attack would be suitable when life hazard exists?
Definition
direct attack or modified direct attack
Term
in combination attack the nozzle should be rotated in a ________ direction to direct fire products away from the operator
Definition
clockwise
Term
the ceiling must have attained a temperature of ______ to make indirect attack or combination attack effective
Definition
1000 F
Term
what is fog nozzle ricochet?
Definition
when the products of combustion pushed ahead of a fog stream overwhelm ventilation openings and roll back around the nozzle team
Term
William Clark, of FDNY, found that solid streams were preferable to fog streams in which 3 ways?
Definition
extinguish fire faster
require less total water to achieve extinguishment
have less measurable runoff water.
Term
efficiency of work performed as well as death and injury rates are directly related to ...
Definition
company staffing (quantity and Quality)
Term
attack lines are best laid in _____ , as opposed to in _______
Definition
series, parallel (causing faster access to the seat of the fire, since all efforts go into the first hose deployment)
Term
the officers position on the line is ______ the nozzle operator to the side of the line
Definition
opposite
Term
removing kinks is the responsibility of whom?
Definition
all personnel on the fireground
Term
once a fire stream is in operation, visibility will be greatly ________
Definition
decreased
Term
true or false: never put water on smoke
Definition
false (an outdated saying)
Term
fast moving, thick black smoke only needs ______ to complete the fire triangle and achieve flashover
Definition
oxygen
Term
sweeping the ceiling with copious amounts of water when thick black smoke is moving rapidly outwards will effectively kill the potential for _______
Definition
flashover
Term
at least _____ feet of dry hose should be flaked out near the entrance to the fire area before charging the attack hose
Definition
50
Term
it is important to avoid having ______ knees on the floor for any significant amount of time, or at all if possible
Definition
both
Term
the nozzle bale should be either fully ____ or fully ______ closed during active fire suppression
Definition
open / closed
Term
the _______ position on the line does most of the physical labor of the nozzle team
Definition
backup
Term
back up position should be on the _____ side of the line as the nozzle man, with his forearm in contact with the nozzle man
Definition
same
Term
the position of door man has what 2 responsibilities?
Definition
ensure smooth movement of hose, and eliminate kinks
Term
to hydraulicaly ventilate, the operator should have the fog nozzle set to a ______ stream first, and then adjust to a _____ stream until the pattern just barely fills the venting space
Definition
straight / fog
Term
the hose should be _______ during overhaul
Definition
attended
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