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Rope Tech questions and answers final exam
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Rope Tech questions and answers final exam What is the NFPA safety factor for rope? - 15- Keeping in mind the NFPA safety factor for a two person load, how much must each component be rated for - 9000 pounds One kilo-newton is equal to - 225 pounds What is the rated breaking strength for 1" flat webbing - 6 thousand pounds What is the rated breaking strength for 1" tubular webbing - 4 thousand pounds What does kermantle mean - The type of life safety rope we use What is the rated breaking strength of a G steel carabiner - 40 KN How many basket handlers for low angle evacuation - 6 How many basket handlers for steep angle rescue - 3 How many basket handlers for vertical rescue - 1 List two main concepts of a high D - Edge protection Easier transition What is the purpose for interlocking long tail bowlines - Redundant safety
What is the rated breaking strength for 1/2" kermantle rope - 9 thousand pounds What is block-creel construction - Every fiber in rope goes from one end to the other What must be In the core of every NFPA rated rope - Tracer tag Min. Number of wraps and fraps when building bi-pod with 4x4's - 3 each What type of rope do we use for rope rescue systems - Static kermantle What device will allow you to change from a loaded haul system to a lower - MPD/load release hitch On a Load release hitch the figure eight should go on the_______ side and the Munter hitch should go on the ________ - Load, anchor What does PCD stand for - Progress capture device, located at the first pulley A ________ S.S.S.F translates to about a________ dynamic event S.F - 10-1, 2- What does SSSF stand for - Static system safety factor In a kooteny high line system the steering lines (tag line) also serve another function. What is it? - Belaying the track line Is it acceptable to use the same high d for main line and belay - No What tie do we commonly use use if it must be tied under a load? - 1/2 hitch and over hand safety
Length of black webbing - 25' What do NFPA "P" and "G" stand for in reference to carabiners - P- personal G- general use Name two midline knots. Which one can be loaded either way - Butterfly (loaded either way) Directional eight What is a class || harness - Seat harness What is a class ||| harness - Full body harness Is it appropriate to combine and sewn seat harness with a tied webbing chest harness - Yes Where should the main litter harness attachment point be over the patients body for a horizontal raise - Naval Which lower or rappel device can you vary the friction once loaded - Rack What is the purpose of a mono pod - High d What harness does NFPA require for rope rescue? - Class ||| You have one high directional, which line should it support - Main line How far from the edge can you be with out needing a travel limiter - 20'
True or false: a guiding line should only be as tight as necessary to keep the rescuer and patient just off of the cliff, tree, or other obstacle - T True or false: a guiding line should be tensioned as much as possible to avoid objects by a wide margin - F True or false: friction is the only difference between ideal mechanical advantage and actual mechanical advantage - T What happens when any mechanical ascender is shock loaded/over loaded on a rope - May cut the rope Must be taken OOS How should the carabiner be loaded every time - Along the spine You were breaking down a lowering system and find that the collet on a carabiner Is stuck, how should you open the carabiner - Re-load it When would a high strength tie off be necessary - When you the the full strength of the rope What is a bend - Tying to ropes together What is a hitch - Used to secure a object but once the object is removed so does the hitch Is it safe to side load a carabiner - No Is it safe to load a carabiner along its spine - Yes What % of kermantles strength comes from its core and sheath - 80% core 20% sheath
Do rescue ropes loose any strength when wet - Yes Which has less strength loss when making a tight bend, such as around a carabiner, 1/2" rope or 1" flat webbing - 1/2" rope Describe a Spanish windlass and what it is used for - To tie back pickets What does MPD stand for - Multi purpose device What are three major functions can and MPD be used for - Lowering, ratchet pulley, and a belay device