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LLPSD FF1 Chapter 17

Terms in this set (38)

How should fire fighters space themselves when advancing an uncharged line up a ladder?
a. 15 ft.
b. 10 ft.
c. one fire fighter on each ladder section
d. only the fire fighter with the nozzle should be on the ladder
c. one fire fighter on each ladder section
When there is extra hose at the entry of a building, how should that hose be arranged?
a. a straight line
b. a serpentine pattern
c. large, loose coils
d. similar to an accordion fold
b. a serpentine pattern
Most fog nozzles are designed to operate at which nozzle pressure?
a. 80 psi
b. 75 psi
c. 100 psi
d. 50 psi
c. 100 psi
In general, what volume does a 2 1/2" (64 mm) handline flow?
a. 200 gpm
b. 300 gpm
c. 175 gpl
d. 250 gpm
d. 250 gpm
Which preconnected hose load forms an S-shape in the hose bed?
a. split
b. skid
c. minuteman
d. triple layer
d. triple layer
What is an advantage of an automatic fog nozzle?
a. the flow rate adjusts to maintain the rated nozzle pressure
b. the nozzle reaction remains constant despite variations in pump pressure
c. the flow from the nozzle remains constant despite variations in pressure
d. the flow rate remains constant regardless of the discharge pattern
a. the flow rate adjusts to maintain the rated nozzle pressure
Compared to fog nozzle streams, smooth-bore nozzle streams ________.
a. absorb less heat
b. are more effective for hydraulic ventilation
c. cause more disruption of thermal layering
d. have a lower discharge volume
a. absorb less heat
Which attack line load is particularly useful when there is a long distance between the engine and the fire?
a. minuteman
b. skid
c. wyed lines
d. triple layer
c. wyed lines
Which attack line load is often coupled to a larger-diameter line?
a. split
b. triple layer
c. minuteman
d. wyed lines
d. wyed lines
Which type of load is most commonly used for preconnected attack lines?
a. horseshoe
b. minuteman
c. accordion
d. skid
b. minuteman
What is the correct procedure for deploying a triple-layer load preconnect?
a. place the nozzle and the top fold over the shoulder and walk away from the apparatus
b. clear the hose from the bed by pulling the loop on the lowest tier
c. once the load has cleared the bed, drag the three layers to the point of attack
d. shoulder the top two layers, with the bottom layer paying off from the bed
a. place the nozzle and the top fold over the shoulder and walk away from the apparatus
Most smooth-bore nozzles are designed to operate at which pressure?
a. 125 psi
b. 50 psi
c. 100 psi
d. 75 psi
b. 50 psi
Which nozzle type has the highest flow rate?
a. smooth bore
b. adjustable
c. handline
d. master stream
d. master stream
Which hose diameter is used as both supply line and attack handline?
a. 3 "
b. 2 1/2"
c. 1 3/4"
d. 2 3/4"
b. 2 1/2"
Generally speaking, a 1 1/2" (38-mm) attack hose can flow_______.
a. 50 to 100 gpm
b. 120 to 180 gpm
c. 75 to 150 gpm
d. 60 to 125 gpm
d. 60 to 125 gpm
Attack lines should be connected to a standpipe system ______.
a. two floors below the fire
b. one floor above the fire
c. one floor below the fire
d. on the fire floor
c. one floor below the fire
Generally speaking, a 1" (25 cm) booster hose can flow _______.
a. 40 to 50 gpm
b. 50 to 75 gpm
c. 15 to 30 gpm
d. 20 to 40 gpm
a. 40 to 50 gpm
Which type of fog-stream nozzle provides a flow between 90 and 225 gpm (340 and 852 lpm)?
a. fixed-gallonage
b. adjustable gallonage
c. variable pattern
d. automatic-adjusting
d. automatic-adjusting
Hard rubber hose stored on a hose reel is _______ hose.
a. forestry
b. booster
c. attack
d. mop-up
b. booster
What is an advantage of a smooth-bore nozzle?
a. creation of more air turbulence
b. operation at a higher nozzle pressure
c. greater heat absorption per gallon discharged
d. longer stream reach
d. longer stream reach
What is the correct procedure for a burst hose line?
a. leave the burst section in operation unless the water loss is affecting nozzle flow
b. place the clamp as far from the burst section of hose as possible
c. shut the line down at the pump panel only as last resort
d. use two lengths of hose to replace a single burst length
d. use two lengths of hose to replace a single burst length
Which attack line load is particularly useful when the line must be advanced up a stairway?
a. wyed lines
b. skid
c. minuteman
d. triple layer
c. minuteman
What is the second stage of advancing an attack line?
a. advancing the line to the point of attack
b. flaking out the line at the building entrance
c. purging the line of air
d. pulling the line from the bed
a. advancing the line to the point of attack
Which type of hose ranges in size from 2 1/2" (65 mm) to 3" (75mm) in diameter?
a. master
b. supply
c. medium
d. large
c. medium
What is an appropriate use for a 1" (25 mm) booster line?
a. car fire
b. exposure protection
c. appliance fire
d. dumpster fire
d. dumpster fire
Which type of hose ranges in size from 1" to 1 1/2" (25 to 38 mm) in diameter?
a. handline
b. booster
c. medium
d. forestry
d. forestry
Which statement about straight streams is correct?
a. a straight stream is the same as a solid stream
b. a straight stream resists breakup better than solid stream
c. a straight stream is discharged from a smooth-bore nozzle
d. a straight stream is discharged from an adjustable fog nozzle
d. a straight stream is discharged from an adjustable fog nozzle
Generally speaking, a 1 3/4" (45 mm) attack hose can flow _______.
a. 60 to 125 gpm
b. 100 to 160 gpm
c. 75 to 150 gpm
d. 120 to 180 gpm
d. 120 to 180 gpm
The function of a standpipe system is to provide ______.
a. a connection from an engine to a static water source
b. a water supply for interior attack lines
c. a connection for pumper support of a sprinkler system
d. an auxiliary water supply for the fire department
b. a water supply for interior attack lines
Which statement about operating a nozzle from a ground ladder is correct?
a. two parallel ladders are required for this operation
b. the hose must be tied securely to the ladder
c. the ladder should be tied off to the building
d. this is a risky operation that should be avoided whenever possible
b. the hose must be tied securely to the ladder
Master streams flow a minimum of _______.
a. 350 gpm
b. 500 gpm
c. 450 gpm
d. 400 gpm
a. 350 gpm
What is an advantage of a fog-stream nozzle?
a. less disruption of thermal layering
b. lower operating pressure
c. longer stream reach
d. greater heat absorption per gallon discharged
d. greater heat absorption per gallon discharged
Which type of nozzle is used to fight fires in inaccessible places such as attics and basements?
a. cellar
b. educator
c. piercing
d. water curtain
a. cellar
For which preconnected hose load does the fire fighter shoulder part of the load, with hose paying off the top of that load as the fire fighter advances?
a. forestry
b. triple layer
c. skid
d. minuteman
d. minuteman
What is the correct procedure for the triple-layer load?
a. the entire load must be on the ground before the nozzle can be advanced
b. each layer should be a single length of hose
c. half the load is shouldered and the other half pays off from the ground
d. the nozzle is attached to the bottom layer
a. the entire load must be on the ground before the nozzle can be advanced
What is the term for a hose line that is stored on an engine connected to a discharge and equipped with a nozzle for immediate deployment?
a. skid load
b. ready load
c. bundle
d. preconnect
d. preconnect
When using a standpipe connection in a stairwell, how should the hose be arranged?
a. up the stairwell toward the floor above the fire
b. in large coils on the landing nearest the fire floor
c. back and fourth on the landing
d. down the stairwell toward the floor below the fire floor
a. up the stairwell toward the floor above the fire
A 50' (15m) section of charged 2 1/2" (64mm) hose weighs approximately _____.
a. 150 lb
b. 200 lb
c. 125 lb
d. 100 lb
b. 200 lb
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