Book 29 Rope Systems Flashcards
The high strength core (Kern) can carry up to ____ of the load
90%
This rope is rated at _______pounds and weighs ____pounds per –100 feet,
10,000 ; 7
The KM-III static kernmantle rope has a melting point of ____ degrees Fahrenheit.
450
What form is used to log monthly checks on lifeline ?
Form 975
Weaved tubular and folded over flat webbing rated at _____ pounds
Webbing colors and lengths :
4000
Blue Webbing - 5 feet.
Yellow Webbing - 12 feet.
Red Webbing - 20 fee
Accessory cord is _____ mm C nylon cord, rated at _______
8 mm ; 3630 lbs
Carabiners used in the LAFD rope rescue kits are steel “D” shaped carabiners, rated at ______
Parts of the carabiner ?
9,000 lbs
Spine, hinge, gate, latch
The brake bar rack comes with _____aluminum bars attached to it and is rated at _______lbs
6; 10,000 lbs
For a single person load (rappel or lower), start with _______
For a single person load (rappel or lower), start with four bars. For a two-person loads, start with ___________
Never less than ____ bars
4 bars
5 bars
3 bars
What is the proper donning tightening order ?
Waist , legs, chest
truck companies have a total of ___ class III harnesses in the system:
3
when using the brake bar rack for a single-person load, start with ____ bars and start with ____ bars for a two-person load.
4 ; 5
TYING OFF THE BRAKE BAR RACK
Wrap the rope ______ over the yoke and through the brake bar rack pulling the bars together. Tie the rope off with ______________ in front of the brake bar rack.
Twice ; Two Half Hitches
Rappelling or lowering operations over ______ feet a brake bar rack should be used, due to the
twisting of the rope.
75 feet
The strength of the rope is restored fully when placed over a turn of a pulley that is at least
_____ times the diameter or the rope.
4 times
the main line is connected to the D ring on the waist and the belay line connected to the D ring on the chest with carabiners. If no carabiner is available, acceptable knots to use for attachment are:
Figure eight follow through, or a bowline backed up with a double overhand knot
using the general guidelines for picket anchors by the U.S. Army, a 2-1 anchor system gives a ______ pound anchor.
2,000 lbs
using the general guidelines for picket anchors by the U.S. Army, a 1-1 anchor system gives a ______ pound anchor.
1,400 lbs
using the general guidelines for picket anchors by the U.S. Army, a 1-1-1 anchor system gives a ______ pound anchor.
1,800 lbs
using the general guidelines for picket anchors by the U.S. Army, a 3-2-1 anchor system gives a ______ pound anchor.
4,000 lbs
Pickets should be _____ foot in length, one
inch round steel stock preferred. The pickets should be pounded _____ feet into the ground,
at a ____ degree angle, away from the object.
3 foot ; 2 feet ; 15˚
what knot is used to secure a nozzle during a drop bag operation?
Girth hitch
the 2 line rope system includes ___ steel D shaped carabiners.
8
the brake bar rack has ___ bars attached to it and a welded eye at one end that is rated at ______ pounds.
6 aluminum
10,000 lbs
the main line is connected to the D ring on the waist and the belay line connected to the D ring on the chest with carabiners. If no carabiner is available, acceptable knots to use for attachment are:
Figure eight follow through or bowline backed up with double overhand
the knot efficiency of the figure eight stopper knot is:
75%
the knot efficiency of the water knot/overhand bend is:
65%
to maintain 100% strength of the rope when using a pulley, the sheave must be at least ____ times the diameter of the rope.
4
