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Flashcards in IFSTA(5th)-Chapter 7 Deck (84):
0

5 applications for rope

access/egress
rescue/self-rescue
hoisting tools
stabilization
cordoning off

1

In the IFSTA, ______ refers to all knots/hitches/loops/and bends used in the fire service.

knot

2

3 FF1 rope skills required under NFPA 1001

Hoist tools/equipment with proper knot.
how to select proper rope for a specific task.
how to maintain the various types of rope.

3

2 FF2 rope skills required by NFPA 1001

rescue victims from automobile crashes.
assist technical rescue teams.

4

Life-Safety Rope

rope that meets NFPA 1983 and is dedicated solely for supporting people during emergency operations/training.

5

Utility Rope

rope used in any situation except life-safety applications

6

NFPA 1983

Std. on Life-Safety Rope and Equipment for Emergency Services

7

Block creel construction

without knots or splices

8

Rope suitable for life-safety must use _____ .

continuous filament virgin fiber for load-bearing elements

9

5 criteria for life-safety rope to be re-used

no visible damage.
no exposure to high heat/direct flame.
rope has not been impact loaded.
no exposure to corrosive materials.
rope must pass inspection by a qualified person before and after each use.

10

"Destroy"

to alter a rope in such a manner that it cannot be mistaken for a life-safety rope.

11

2 reasons when Rope should be "destroyed"

fails to pass inspection
it has been impact loaded

12

Impact Loading is AKA

shock loading

13

Natural Fiber Rope

consists of cotton or hemp(Manila or sisal) and is only used for utility purposes.

14

4 qualities to synthetic fiber rope

continuous fibers running the entire length of the rope.
excellent resistance to rotting and mildew.
excellent strength.
easy to maintain.

15

8 types of rope fiber

nylon
polyester
polypropylene
polyethylene
Kevlar aramid
H. Spectra polyethylene
manila
cotton

16

which rope fibers float?

polypropylene
polyethylene
H. Spectra polyethylene

17

Which rope fibers are stronger when wet?

manila(15% stronger)
cotton(15% stronger)

18

Which fiber is best for elongation at break and impact loading?

nylon-elongates 20-34%

19

Which rope fibers weaken when wet?

nylon(weakens 15%)
Kevlar aramid(weakens 10%)

20

Which 3 ropes do not melt?

manila
cotton
kevlar aramid

21

Natural Fiber ropes need to be stored ______ due to susceptibility to ________ .

dry
rotting and mildew

22

if ropes melt, at what temp. would the first fibers start to melt?

275 degrees F
(H. Spectra Polyethylene)
(Polyethylene)

23

Rope melting points

nylon=480 degrees F
polyester=500 degrees F
polypropylene=330 degrees F

24

For the 3 ropes that do not melt, they char at what temp?

manila=350 degrees F
cotton=300 degrees F
kevlar aramid=800 degrees F

25

List the order of best abrasion resistance for rope fibers

1-h. spectra polyethylene
2-polyester
3-nylon
4-manila
5-kevlar aramid
6-polyethylene
7-polypropylene
8-cotton

26

which 2 ropes are the least resistant to sunlight?

polypropylene
polyethylene

27

polyester has poor resistance to ______ .

alkalis

28

5 things that are measured to check a ropes resistant qualities

acids
alkalis
gas/oils
rot
sunlight

29

which 3 ropes have "good" conductivity resistance?

polyester
polypropylene
polyethylene

30

Dynamic Rope

high stretch rope used when long falls are a possibility designed to stretch without breaking.

31

Static Ropes

low stretch rope that must not elongate more than 10% when tested under a load = to 10% of its breaking strength according to NFPA 1983

32

3 categories of life-safety rope

general use
light use
throw line

33

Light-Use Rope

3/8" to < 1/2" (9.5mm to < 12.5mm)
intended to support one person
minimum breaking strength of 4500#
maximum safe working load = 300#
15:1 safety factor

34

General-Use Rope

7/16" up to 5/8" (11-16mm)
intended to support 2 people
minimum breaking strength of 9000#
maximum safe working load = 600#
15:1 safety factor

35

Throw Line

19/64" to < 3/8" (7 to < 9.5mm)
minimum breaking strength of 3000#
maximum safe working load = 200#
15:1 safety factor

36

Throw Lines are used to ______ and to ______ .

tether rescuers together during a water rescue.
throw to a victim in the water.

37

Escape Rope

same dimensions and requirements as a throw line but is intended to be used only 1 time and then destroyed.

38

4 common types of rope construction

kernmantle
laid
braided
braid-on-braid
(all are block creel construction)

39

Kernmantle Rope

rope that consists of a protective sheath (mantle) over the load-bearing core strands (kern).
75% of strength in kern
25% of strength in mantle
most often used as a life-safety rope.

40

Laid Rope

rope constructed by twisting groups of individual strands together.
typical of natural fiber ropes.
almost exclusively utility ropes.

41

Braided Rope

mostly synthetic
uniformly intertwining strands of rope together.
reduces the twisting common to laid ropes.
mostly used as a utility rope.

42

Braid-on-Braid Rope

constructed with a braided core and a braided sheath.
herringbone pattern.
Very strong.
50% strength in core
50% strength in sheath
most often used as utility rope.

43

unused rope should be inspected at least ______ .

annually

44

Inspect rope after _____ .

each use

45

Rope should be inspected ______ (2 ways).

visually and by touch

46

How to inspect a kernmantle rope

put slight tension on the rope and feel for abrasions, imbedded objects, lumps, depressions, or soft spots. at the same time visually check the sheath for discoloration, irregularities in shape or weave, and excessive fuzziness.

47

To inspect laid rope, ______ for flaws such as ______, for areas of excessive ______, and for dirt or grease.

untwist and check internally
soft, crusty, brittle spots/cuts/nicks/abrasions/and chemical damage
stretching

48

Rope Log

a record of the life of a rope that includes every inspection and use.

49

Braided Rope inspection

look for sears
cuts
nicks
abrasions
deformities
mushy spots

50

Braid-on-Braid Rope Inspection

check for sears
nicks
cuts
abrasions
sheath sliding on the core
lumps

51

3 principal ways to clean synthetic rope

hand wash
front loading washing machine
special rope washing device

52

front loading washers with _____ windows should not be used to wash rope.

plastic

53

webbing

nylon material used for anchors, lashings, patient packaging, and harnesses.

54

2 kinds of webbing construction

flat
tubular

55

tubular webbing has 2 possible weaves

spiral
chain

56

Spiral weave is ______ and more resistant to ______ than the chain weave.

stronger
abrasion

57

Running End

rope part used for hoisting, pulling, belaying.

58

Working End

rope part that is used in forming the knot.

59

Working End aka _____ and _____ .

Bitter end
Loose end

60

Standing Part

rope part between working end and running end

61

Elements of a Knot

easy to tie/untie.
secure under load.
reduce rope's strength as little as possible.

62

the tighter the bends in a knot, the ______ the rope's strength.

more it reduces

63

Bight

rope bent back on itself 180 degrees

64

loop

360 degree loop of the rope

65

round turn

540 degrees of rope (1.5 loops) that has both ends of the rope running the same direction

66

Safety knots purpose

to prevent the tail of the working end from slipping back through the knot causing the knot to fail

67

Bowline

27-33% efficiency loss.
used to form a loop that will not constrict.
able to equalize.
not for life-safety.

68

half-hitch

always used in conjunction with another knot.
can be used as a safety if you use 2 consecutively.
good for hoisting long objects.

69

clove hitch

used to tie rope/webbing around round objects.
not used in life-safety.

70

Figure 8 on a bight

20% efficiency loss
closed loop either mid-line or at the end of the rope.
used for anchoring/securing.

71

figure 8 bend

19% efficiency loss
used to join ropes of equal diameter.

72

Figure 8 follow-thru

20% efficiency loss
used to form an anchor around an object.

73

Figure 8 stopper is used to _____ .

prevent the end of the rope from slipping through an opening.

74

Becket Bend

used to join a rope and a chain or 2 ropes of unequal diameter.
not for life safety.

75

Water Knot

36% efficiency loss
used to join 2 pieces of webbing

76

5 Rope Hardware devices

carabiners
8-plates
brake bar racks
ascenders
pulleys

77

8 hoisting safety precautions

have solid footing/make necessary preparations.
use hand-over-hand method
use edge protection
work in teams
ensure all personnel are clear of hoisting area
avoid hoisting near electrical hazards
secure nozzles in closed position
use guide/tag line

78

Ladder Belts

used for positioning or emergency escape only

79

Class 1 Harness

Up to 300#
used for emergency escape

80

Class 2 Harness

up to 600#
looks exactly like a Class 1 harness

81

Class 3 Harness

full-body
up to 600#
used in case of inversion

82

3 reasons why synthetic rope is preferred for life-safety

high strength
resistant to rotting
easy to maintain

83

2 types of life-safety rope

static
dynamic