Prusik Cord Pinch Test and Suppleness
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Questions and Answers

What is the primary purpose of rescue rope in technical rescue?

  • To secure rescuers and victims in elevated positions (correct)
  • To provide protection against extreme weather conditions
  • To create pulley systems for moving heavy objects
  • To act as a signaling device for communication

    • Which category of rope rescue equipment includes carabiners, pulleys, and ascending and descending devices?

  • Specialized rescue equipment
  • Basic rescue equipment
  • Rescue software
  • Hardware (correct)

    • What is the purpose of a pick-off strap in rope rescue?

  • To protect rescuers and victims from extreme weather conditions
  • To secure a suspended victim for rescue (correct)
  • To create pulley systems for moving heavy objects
  • To act as a communication device for rescuers

    • What type of company carries an assortment of additional equipment for specific rescue situations?

    <p>Urban Search and Rescue team companies</p> Signup and view all the answers

    In technical rescue, what is the purpose of commercial harnesses?

    <p>To secure rescuers and victims in elevated positions</p> Signup and view all the answers

    What is the purpose of signal rope in rope rescue scenarios?

    <p>To act as a signaling device for communication</p> Signup and view all the answers

    What is the minimum melting temperature of low stretch nylon rope?

    <p>400°F</p> Signup and view all the answers

    What is the function of Prusik loops in rescue systems?

    <p>Hauling and braking</p> Signup and view all the answers

    What causes the number one rope failure according to the text?

    <p>Abrasion and cutting over sharp edges</p> Signup and view all the answers

    What is the diameter of Prusik cord mentioned in the text?

    <p>8mm</p> Signup and view all the answers

    How can damage be avoided when a rope runs over sharp edges?

    <p>By using edge protection</p> Signup and view all the answers

    What materials can be used for abrasion protection according to the text?

    <p>Turnout coats, packs, and heavy clothing</p> Signup and view all the answers

    What is the minimum bend for a 1/2-inch (12.7mm) rope to maintain maximum strength?

    <p>$2 inches$</p> Signup and view all the answers

    What should be done to rescue ropes placed out of service due to certain conditions?

    <p>Request a replacement from the US&amp;R station</p> Signup and view all the answers

    What must be recorded in a rope log each time a rope is used?

    <p>$Usage and any unusual loading$</p> Signup and view all the answers

    What should be done before setting up some rescue systems?

    <p>Attach identifying marks or numbers</p> Signup and view all the answers

    What is the ideal material for prusik loops mentioned in the text?

    <p>Soft, pliable rope</p> Signup and view all the answers

    What can cause severe overheating of metal components in technical rescues according to the text?

    <p>Excessive friction from fast rappels</p> Signup and view all the answers

    What type of rope is preferred for rescue work due to its ability to stretch very little when loaded?

    <p>Low-stretch (static) rope</p> Signup and view all the answers

    Which term refers to the German word meaning core and sheath in rope construction?

    <p>Kernmantle</p> Signup and view all the answers

    Which material is used to create the sheath in low stretch (static) rescue rope?

    <p>Nylon</p> Signup and view all the answers

    What is the minimum breaking strength for rope used in one-person systems according to NFPA 1983 standards?

    <p>4,500 lbf. (20kN)</p> Signup and view all the answers

    What is the preferred material for rescue rope, which is lighter, stronger, and more resistant to decay and rot than natural fiber rope?

    <p>Nylon synthetic rope</p> Signup and view all the answers

    What type of rope is used when long falls may be anticipated but is not practical for rescue work due to its rubber band-like behavior when loaded?

    <p>High-stretch (dynamic) rope</p> Signup and view all the answers

    What is the meaning of kernmantle in the context of rope construction?

    <p>$90-95$% load-carrying capacity of the core</p> Signup and view all the answers

    What should be visually inspected on a rescue rope before and after each use?

    <p>$Unusual$ wear</p> Signup and view all the answers

    How should ropes be cleaned to avoid damage?

    <p>$Wash$ in cold water without strong detergents</p> Signup and view all the answers

    What will prolonged exposure to sunlight do to nylon rope?

    <p>$Weaken$ the nylon fibers</p> Signup and view all the answers

    What will cause a portion of the rope to weaken over time?

    <p>Leaving knots in the rope during storage</p> Signup and view all the answers

    What is a convenient method of storing and carrying rope that also protects it from damage?

    <p>Placing the rope in a rope bag</p> Signup and view all the answers

    What is the main reason for turning carabiner gates opposite and opposed in some rescue systems?

    <p>To prevent accidental opening of the gate during a rescue</p> Signup and view all the answers

    What can happen if a locking carabiner's locking mechanism is rolled across the face of a cliff or a building?

    <p>The carabiner might unlock on its own</p> Signup and view all the answers

    What is the recommended action if vibration is causing the gates of carabiners to open?

    <p>Turn the gate down so gravity is working against it</p> Signup and view all the answers

    What is the reason for using all-metal rescue pulleys in technical rope rescue?

    <p>To maximize strength</p> Signup and view all the answers

    Why should the sheave of a rescue pulley be four times the diameter of the rope being used?

    <p>To minimize loss of rope strength as it bends around the sheave</p> Signup and view all the answers

    What type of bearing should be used in rescue pulleys to ensure smooth rotation and avoid contamination?

    <p>Sealed ball-bearing type</p> Signup and view all the answers

    What should be done if a pulley has sharp edges, nicks, or burrs?

    <p>Lightly file or sand them off</p> Signup and view all the answers

    What is the purpose of the ears on a Rescue-8 descender?

    <p>To prevent accidental formation of a girth hitch</p> Signup and view all the answers

    What are some problems associated with the use of Figure 8 descenders?

    <p>They can twist any rope that goes through them</p> Signup and view all the answers

    What is the main concern with using locked carabiners in rescue situations?

    <p>The gate might accidentally open when under load</p> Signup and view all the answers

    What should be done if carabiners have gates that stick or will not close?

    <p>Discard them if they cannot be fixed by blowing out the lock and hinge with compressed air</p> Signup and view all the answers

    Why should carabiner locks be tightened before loading?

    <p>To prevent accidental unlocking during loading</p> Signup and view all the answers

    What is the purpose of allowing a prusik to slip before setting on the rope?

    <p>To reduce the shock by absorbing some of it</p> Signup and view all the answers

    What length is the 8mm prusik cord cut to for creating long prusiks for 1/2-inch rope?

    <p>70 inches</p> Signup and view all the answers

    What type of construction is being replaced with needle loom construction for webbing?

    <p>Spiral weave/shuttle loom</p> Signup and view all the answers

    What is the breaking strength of one-inch webbing?

    <p>4,000 pounds</p> Signup and view all the answers

    What is the pick-off strap length typically used for connecting the rescuer and victim during a rescue operation?

    <p>48 inches</p> Signup and view all the answers

    What type of harnesses are preferable for rescue team equipment caches?

    <p>Adjustable harnesses</p> Signup and view all the answers

    What are the four basic parts of a carabiner?

    <p>Gate, Spine, Lock, Hinge</p> Signup and view all the answers

    What is the breaking strength range for aluminum carabiners?

    <p>$6,070$ to $6,745$ pounds</p> Signup and view all the answers

    What are the advantages of aluminum carabiners over steel carabiners?

    <p>$4$, $5$, and $6$</p> Signup and view all the answers

    What material should be used in rescue applications for carabiners?

    <p>Steel only</p> Signup and view all the answers

    Which type of webbing is better when snapping into carabiners due to its ability to maintain strength efficiently?

    <p>Nylon tubular webbing</p> Signup and view all the answers

    What is the color-coding used for webbing lengths in the Rescue Systems 1 course?

    <p>Green, Yellow, Blue, Orange - 5 Feet, 12 Feet, 15 Feet, 20 Feet</p> Signup and view all the answers

    What should be the distance between the reeved bars along the brake-bar rack to control friction?

    <p>Closer together for maximum friction</p> Signup and view all the answers

    What is the purpose of the training groove in the 1-inch top bar of the brake-bar rack?

    <p>To ensure proper reeving of the rack</p> Signup and view all the answers

    What is the primary function of the mechanical ascender in the fire service?

    <p>Ascending a fixed rope</p> Signup and view all the answers

    What should be done if an ascender has a cracked sleeve according to the text?

    <p>Remove from service immediately</p> Signup and view all the answers

    What is the purpose of edge protection in rope and webbing systems?

    <p>Prevent wear on the rope</p> Signup and view all the answers

    What is the recommended action if edge rollers are stuck or damaged?

    <p>Remove from service immediately</p> Signup and view all the answers

    What material can edge guards be constructed from, according to the text?

    <p>Canvas</p> Signup and view all the answers

    What should be done if an anchor plate is found to be deformed?

    <p>Remove from service</p> Signup and view all the answers

    What is the primary function of rescue knots in rope rescue systems?

    <p>Key link in all rope rescue systems</p> Signup and view all the answers

    What action should be taken if a mechanical ascender has a cracked sleeve according to the text?

    <p>Remove from service immediately</p> Signup and view all the answers

    What is the purpose of using all-metal rescue pulleys in technical rope rescue according to the text?

    <p>To enhance strength</p> Signup and view all the answers

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