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what is the wirght limit, in pounds, that most ladders can support
750
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FF working from a ladder should use a safety belt or a _________ to secure themselves to a ladder
leg lock
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what should be done with the excess halyard before tying it off once an extension ladder is placed and extended
it should be wrapped around two rungs of the ladder
-
what is the term for keeping a ladder from slipping by applying ones weight to the underside of it
heeling
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when a ladder is placed at the proper angle for climbing and a FF is standing on a rung, how far will the rung at shoulder height be from the FF
arms length
-
where does the top beam of the ladder rest in the 1 FF carry
on the shoulder
-
what purpose do the hooks of a roof ladder serve?
they secure the tip of the ladder to the peak of a pitched roof
-
what type of ladder can be converted from a straight ladder to an A-frame configuration
combination
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when a ladder is placed at the correct angle for climbing, what is the ration of ladder reach (vertical height attained) to distance of the butt of the ladder from the building
4:1
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can a free hanging roof ladder that is not on a roof but is hanging just from its hooks support the weight of FF
no, they cannot support this weight from jsut the hooks
-
how are FF arranged in the 3 FF flat ladder carry
the front and rear person are on one side and the middle person is on the other
-
when a ladder is used to gain access to a roof, at least how many rungs should show above the roofline
5
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what type of lift can be used to lower an rescuer into a trnch or manhole or to raise a victim safely from a below grade site
ladder gin
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what is the term for non areial ladders
portable ladders
-
what is a ladder I beam usually made of
fiberglass
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what term describes the end of a ladder placed against the ground when the ladder is raised
Butt
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what do all 3 FF do during the raise of a ladder into the final position for the 3 FF flat shoudler carry
pivot
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when FF are checking the stability of a roof prior to dismounting a ladder to work on it, how many points of contact should they maintain with the ladder
3
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what is the 2 FF ladder carry called where the ladder is carried at arms length rather than on the shoulder
2 FF suitcase carry
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what is aother hazard associated with raising a ladder and having it hit something, other than the electrical hazard of it hitting power lines
the sudden change in momentum cab cause FF to lose control of it and drop it
-
what is the very top of a ladder called
Tip
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how high on a typical 2 story building can a 24' or 28' ladder reach
the 2nd story window with 2 rungs inside
-
what is the term for one of the two main structeral compnants that run the entire length of most ladder or ladder sectuions
beam
-
what type of know is used to tie off a ladder halyard
clove hitch
-
what do the stops do on an extension ladder
prevent it from overextending
-
what part of a ladder must not be exposed to solvents
halyard
-
what does a heat sensor label do on a ladder
it changes color when exposed to a specific degree of heat
-
the 2 FF shoulder carry is usualy used with extension ladders up to
35 feet
-
why should FF climbing a ladder not look up, as a rule
so that falling debris will not hit them in the face
-
what is the proper climbing angle for a ladder
75 degrees
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should FF ever slide their hands along the undersides ofthe beams while clibling a ladder rather than holding the rungs hand over hand
yes, this is a more secure method than hand over hand
-
how often should ground ladders be visually inspected
monthly
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when raising ladders, what is the minimum distance they should be kept from pwer lines
10 ft
-
where should the tip of a ladder be placed during operations from a window
immediatelty below the sill
-
what type of ladder us usually carried up another ladder before being placed
roof
-
when a roof ladder is being carried, which end should be facing forward
the tip end
-
what term means the level at which the ground intersects the foundation of a structure
grade
-
when a straight ladder other than a roof ladder is being carried, which end shouldbe facing forward
the butt end
-
before climbing a ladder, FF should make sure it is either tied or
heeled
-
why should FF not place a foot in the rungs of an extension ladder while it is being raised
if the fly slips, the foot will be crushed
-
when FF are checking the stability ofa roof prior ro dismounting a ladder to work on it, how many points of contact should they maintain with the ladder
3
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what NFPA standard sets the minimum performance standards for apparatus referred to as either "aerial ladders' or "elevating platforms"
1901
-
what do the neams of a ladder directly support
rungs
-
what is another term for portable ladders
ground ladders
-
what are the butt spurs on a ladder
spikes on the base that keep it from slipping
-
what is the NFPA standard on use, maintenance, and service testing of in service FD ground ladders
1932
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on a 3 FF ladder carry, how should the FF be aligned
they should all be on the same side of the ladder
-
what is the best method for securing a ladder
secure both the tip and the base
-
to beging a variation of the 1 FF rung raise, where are the butt spurs placed for a ladder longer than 14 ft
against both the structure and the ground
-
what is one precaution FF should take when extending the fly section of an extension ladder
they should not wrap the halyard around their hands
-
ground ladders must be cleaned periodically even if not used at a scence. why/
they accumulate road grime from being on the apparatus
-
on the 2 FF shoulder ladder carry, what should the FF closer to the butt end do, in addition to carrying that end of the ladder
cover the butt spur with a gloved hand
-
of a ladder is placed at the proper anlge for climbing and it is reaching 20 ft up a wall, how far away from the wall should the base be, in ft?
5
-
before climbing an extension ladder, FF should make sure the halyard is tied and the
dogs are locked
-
what term describes the top or bottom section of a trussed beam
rail
-
what does a heat sensor label do on a ladder
it reports the highest temperature in which the ladder can be used safely
-
most straight ladders and roof ladders ofa certain length or less can be carried safely by on FF. what length?
18
-
what part of the ladder is raised or extended from the bed section
fly
-
what is the term for a metal bar that runs from one beam of a wooden ladder to the other to keep the beams from seperating
tie rod
-
when is a 3 FF flat shoulder carry useful
when the ladder must be carried over short obstacles
-
what is the floor to floor height, in feet, of a commercial building
12
-
what type of ladders are permanently mounted and operated from a piece of fire apparatus
aerial
-
roof ladders provide stable footing and also
distribute weight
-
how often should ladder service testing be done
annually
-
what type of ladder raise is usually used when the ladder can be raised perpendicular to the target surface
rung raise
-
what is the danger if the butt of a ladder is placed too close to the side of the building and people climb it
the tip could pull away from the wall
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