Ifsta Ch 7 Ropes And Knots

Front 1

running end

Back 1

free end that is used for hoisting, pulling or belaying

Front 2

working end

Back 2

part that is tied to object for raising lowering or stabilizing

Front 3

standing part

Back 3

section between working end and running end

Front 4

safety knot

Back 4

either a single or overhand double knot

Front 5

becket bend is used for

Back 5

used for adjoining two ropes of unequal diameter or joining a ropes and a chain

Front 6

bowline

Back 6

good for forming a single loop that will not constrict the object it is placed around

Front 7

half hitch

Back 7

particularly useful in stabilizing long objects being hoisted, clove hitch principal use is to attach rope to an object

Front 8

static kernmantle vs dynamic kernamntle

Back 8

static used for most rescue incidents and stretches very little, dynamic is used when long falls possible such as recreational rock climbing it has high stretch capabilities

Front 9

class 2 rope strength

Back 9

also called general use life safety rope
-7/16 or greater but no mare than 5/8 of an inch
-min breaking strength of 9000 lbs

Front 10

what 2 devices are similar

Back 10

prussiks loop and a gibbs device (ascender) they help set a brake on the rope

Front 11

mantle vs kern strenght of rope

Back 11

mantle or sheath 25 percent
core or kern 75 percent of strength

Front 12

why do we use pulleys

Back 12

used to change direction of pull or create a mechanical advantage

Front 13

# 1 cause of rope failure

Back 13

abrasion

Front 14

best type of rope for rescure rope

Back 14

low strecth kernamntle rope
-constructed of mantle over a core (kern) of the main load bearing strands

Front 15

prussicks rope used for

Back 15

breaking, pulling, holding, or collection device

Front 16

what type of construction is static kernmantle

Back 16

block creel (without knots or splices in fibers)

Front 17

where is the strong part of the caribeaner?

Back 17

the long axis

Front 18

what type harness is a hasty seat and victim harness

Back 18

type 1

Front 19

rope rollers are used for

Back 19

to prevent abrasion

Front 20

8 plate with ears allows you to do what compared to an 8 plate with no ears?

Back 20

tie off and work

Front 21

knots for a charged hoseline

Back 21

clove hitch and half hitches with bite through bale to keep it closed

Front 22

guideline when hoisting does what?

Back 22

prevent equipment from striking the structure or other objects as it is raised

Front 23

diff classes of rope

Back 23

life safety has three categories
-light use- supports weight of one person 3/8 to 1/2 inch min breaking strength of 4,500 lbs, max safe working load limit of 300 lbs
-general use- intended for weight of two persons, min breaking strength of 9000 lbs, max work load limit of 600 lbs (7/16 to 5/8)
-throwline (19/64 to 3/8) 3000 breaking strength used to tether water recuers or throw to victim in water safe working load of 200 lbs

Front 24

soft spots in rope found by

Back 24

carefully inspect outer sheath for soft spots cause by misaligned core fibers, any doubt in life safety ropes status downgrade it to utility line

Front 25

diff between type 2 and 3 harness

Back 25

600 lb load fastens around waist and around thighs like type 1 harness, type 3 is full body harness fastens around waist, thighs, and over shoulders, up to 600 lbs

Front 26

which is the better bend for two ropes together

Back 26

figure 8

Front 27

escape rope

Back 27

same construction and requirements as life safety rope, intended to be used only 1 time and thrown out

Front 28

damaged rope can be have what done?

Back 28

dispose of rope entirely, or removing manufacturers label and clearly labeling and using as utility line

Front 29

combo of knots for equipment

Back 29

all except axe and ladder are clove hitch followed by half hitches to stabilize the object
-ladder is bowline around 2 rung
-axe is bowline that is then wrapped around top of head and two half hitches

Front 30

what should be done with impact loaded life safety rope

Back 30

destroyed immediately

Front 31

what is best way to clean nat fiber rope?

Back 31

wipe or gently brush rope to remove as much dirt and grime as possible

Front 32

do we use natural fiber rope for life safety?

Back 32

never

Front 33

care and maintenance after washing rope?

Back 33

dried not in direct sunlight, then stored in rope bag in a compartment that is clean and adequate ventilation

Front 34

foundation of knots?

Back 34

bight-formed by simply bending the rope back on itself while keeping side parallel
-loop- crossing side of bit over standing part
-round turn-further bending one side of a loop

Front 35

what is a half hitch used for?

Back 35

stabilization

Front 36

best knot that can be formed anywhere on a rope?

Back 36

figure 8 on abite or directional figure 8

Front 37

do we hoist 02 cylinders?

Back 37

no

Front 38

what is a gibbs true name?

Back 38

an ascender

Front 39

water knot

Back 39

preffered knot for adjoining to peices of webbing together, simple overhand knot and following it back through

Front 40

figure 8 how much strength remains in rope?
Bowline how much?

Back 40

8= 80 percent
bowline =60

Front 41

what is a good knot?

Back 41

a dressed knot, dress knot after tieing it

Front 42

storing ropes in engines?

Back 42

stored in clean and dry compartments, not be exposed to chemical contaminants (such as hydrocarbons or battery acid) or the fumes of these substances

Front 43

steel vs alumimum caribeaner which is stronger

Back 43

steel

Front 44

most popular knot for rescue?

Back 44

?? look up in powerpoint

Front 45

does a lot of tight bends in the rope decrease strength?

Back 45

yes

Front 46

what is best angle to be at when rappelling a wall

Back 46

right angle from the wall

Front 47

caribeaner used for?

Back 47

used to connect elements of a rescue system together

Front 48

laid rope

Back 48

exclusively utility lines
-moist are nat fiber some synthetic
-twisting yarns together to form stands

Front 49

braided rope

Back 49

uniformly intertwining strands of rope together, load bearing fibers are subject to direct abrasion, most commonly used as utility rope

Front 50

braid on braid rope

Back 50

braided core and braided sheath, half of strength in core half in sheath, does not resist abrasion as well as kernmantle, most often used in utility applications

Front 51

figure 8 stopper

Back 51

used so rope will not pass through grommet of rope bag or through rescue pulley

Front 52

figure eight bend

Back 52

primarily used on life safety ropes to tie equal diameter rope together

Front 53

figure 8 on a bite

Back 53

good way to tie a closed loop into the end or a rope

Front 54

figure 8 follow through

Back 54

used to secure a rope around an object