65 Questions
What is the minimum bend for a 1/2-inch (12.7mm) rope to maintain maximum strength?
2 inches
What should be recorded in a rope log after each use of a rope?
The purchase date, manufacturer, size, and any unusual loading
What is the diameter of Prusik cord mainly used to make Prusik loops?
8mm
What is the preferred material for rescue rope according to the passage?
Nylon
Which type of rope is NOT practical for rescue work according to the passage?
High-stretch (dynamic) rope
What is the meaning of 'kernmantle' as used in the context of low stretch (static) rescue rope?
Core and sheath
What is the goal when using a braking prusik in rescue systems?
To allow the prusik to slip before setting on the rope, thereby absorbing some of the shock as it arrests the moving rope
What is the preferred method of construction for tubular webbing used in rescue applications?
Flat webbing that is folded and stitched together on one side
What is the breaking strength of a steel carabiner used in rescue work?
16,187 pounds
In technical rescue, what is the primary purpose of rescue rope?
To create pulley systems and protect rescuers from falls
What is included in the category of 'rescue software' for rope rescue equipment?
Rope, webbing, prusik loops, pick-off strap, and commercial harnesses
What type of equipment is carried on all engine and truck companies?
Roof ropes
What is the purpose of doubling up carabiners and turning them so the gates are opposite and opposed?
To prevent accidental opening of a gate during a rescue and loss of connection
What is the recommended action if a locking carabiner has come unlocked on its own while in a system?
Make sure the gate is turned away from the face to prevent unlocking
What is a common problem associated with using Figure 8 descenders?
They tend to twist any rope that goes through them
What should be done if a Figure 8 descender has wear greater than 15 percent of the original thickness?
It should be discarded
What is the purpose of the training groove in the large (1 inch) bar of a brake-bar rack?
To ensure the rack is reeved properly
When should a brake-bar rack be removed from service?
If one of the bars is worn to less than one-third of its original diameter
What should be done if an ascender's sleeve is deformed or if the pinhole is worn enough to allow the pin to slip out?
Remove it from service
What is the purpose of edge rollers?
To protect rope and webbing from abrasion and sharp edges
What are the qualities of a good rescue knot according to the passage?
Easy to tie, easy to identify, will not work loose on their own, and minimally reduce rope strength
What materials can edge guards be constructed of?
Canvas, plastic, and fire hose
What is the recommended action if anchor plates are found to be cracked, deformed, or dropped from a significant height?
Remove from service immediately
What is the primary purpose of rescue knots in rope rescue systems?
To provide a key link in all rope rescue systems
How should rescue knots be standardized according to the passage?
They should meet certain criteria and be standardized so everyone on the team can readily identify and safety check a system
What is the main purpose of the Figure 8 stopper knot?
To prevent someone from rappelling off the end of the line
What is the significance of dressing and setting a knot?
It makes the knot stronger and easier to check for safety
What is the working end of a rope used for?
Tying a knot
What is the standing part of a rope?
The part between the working end and the running end
What is the primary characteristic of the family of eight knots that makes them popular in the rescue community?
They are secure when tied correctly and unlikely to come apart with flexing and bending
What is the purpose of a Figure 8 follow through in rope rescue systems?
To tie the rope directly into or around an object when slipping the loop over the intended object is not possible
What is the primary purpose of a Figure 8 bend in rope rescue systems?
To join the ends of one rope or the ends of two ropes of the same diameter together
When should a Figure 8 on a bight be used in rope rescue systems?
When creating a secure loop for attaching the rope to anchors, equipment, or rescuers
What is the recommended method for attaching webbing to any anchor?
Self-adjusting anchor system
Which anchor system is designed to maintain full strength of the rope when wrapped around a round or oval-shaped anchor?
Tensionless anchor
What is the primary concern when rigging any anchor system?
Avoiding creating too wide an angle between the legs of the system
What is the primary purpose of the round turn and two half hitches?
To secure the end of a length of webbing to an anchor point
What is the primary purpose of the clove hitch?
To secure the working end of a rope or webbing around an object
What is the in-line Figure 8 primarily used for?
Attaching loads or creating a trucker’s hitch in the middle of a rope
What is the critical angle that should never be exceeded between anchor points?
90 degrees
What is the load capacity of a 1-1-1 combination picket or three pickets in line and lashed together?
4,000 lbf
What is the purpose of the chest harness in a rope rescue system?
To distribute the force over a greater portion of the body during a fall
When should the hasty harness be used according to the passage?
As a quick method of attaching a victim or rescuer to a rope rescue system
What is the primary purpose of the rescue litter according to the passage?
For hand carrying the victim over rough terrain
What is the purpose of the victim lashing in a rescue litter according to the passage?
To prevent the victim from sliding out of the rescue litter at the head or foot ends
What is the primary purpose of the round turn and two half hitches?
To provide secure attachment of webbing around a victim's legs
What is the load capacity of a 1-1-1 combination picket or three pickets in line and lashed together?
1500 lbs
What is the primary concern when rigging any anchor system?
Maintaining full strength of the rope when wrapped around the anchor
What is the recommended action if a locking carabiner has come unlocked on its own while in a system?
Immediately discard the carabiner and replace it with a new one
What is the purpose of edge rollers?
To prevent damage to the rescue rope when passing over edges
What is the purpose of attaching a prusik loop above each Figure 8 on a bight with a three-wrap hitch?
To provide a backup system in case the main system fails
What is the purpose of untying the middle Figure 8 on a bight in the four-litter tenders rigging method?
To allow for better positioning of the litter tenders along the side of the litter
What is the significance of wrapping a 5-foot length of webbing around the main frame at the head of the rescue litter using the Vertical Attachment Webbing Sling Method?
To ensure that the victim's head is positioned slightly higher than the feet
What is the primary role of carabiners in High Angle Horizontal Raise operations?
To create a secure anchor point for attaching litter tenders
What is the primary purpose of attaching a Figure 8 stopper knot about 3 feet from the end of the rope in Direct Attachment to Rope Method?
To prevent slippage of the rope from the main frame of the rescue litter
What is the working load of the utility/roof ropes used by the Department?
483 lbf
What is the minimum breaking strength of the life ropes carried on truck companies?
9000 lbf
What is the length of the water ropes in the standard compliment used by the Department?
75-foot
What is the primary purpose of the attached aluminum carabiner on the utility/roof ropes?
Self rescue
What is the intended use of the system certified to meet NFPA 1983/2006 standards for Personal Escape Ropes?
Self rescue
What is the recommended frequency for inspecting Department ropes and associated rescue equipment?
Quarterly
How should a chain saw and rotary saw/K12 be tied when hoisting?
Figure 8 on a bight around the saw
What should be done with charged hose lines when hoisting?
Fold hose over itself and tie a clove hitch around the nozzle
What type of knot should be used to secure a dry hose line when hoisting?
Clove hitch around the fold
How should a ladder be secured when hoisting?
Tie a clove hitch around the third rung
Study Notes
Rope Specifications
- The minimum bend for a 1/2-inch (12.7mm) rope to maintain maximum strength is not specified.
- A rope log should be recorded after each use to track usage and maintenance.
- Prusik cord is mainly 6mm in diameter and used to make Prusik loops.
- The preferred material for rescue rope is not specified.
- Manilla rope is NOT practical for rescue work.
Rope Construction and Materials
- Kernmantle refers to a type of low-stretch (static) rescue rope construction.
- Tubular webbing should be woven in a way that allows for easy inspection and cleaning.
Rescue Rope Usage
- The primary purpose of rescue rope is to lift or lower people or equipment during a rescue operation.
- Rescue rope is categorized as 'rescue hardware'.
- Edge rollers are used to guide rope and reduce wear.
- A good rescue knot should be easy to tie, inspect, and untie, even with gloves on.
Carabiners and Ascenders
- A locking carabiner that has come unlocked on its own while in a system should be removed from service.
- If an ascender's sleeve is deformed or the pinhole is worn, it should be removed from service.
- Edge guards can be constructed from a variety of materials.
Anchor Systems
- The primary purpose of anchor systems is to provide a secure anchor point for rescue operations.
- When rigging an anchor system, the primary concern is the anchor's ability to withstand the intended load.
- The round turn and two half hitches is used to secure webbing to an anchor.
- The clove hitch is used to secure a rope to a post or rail.
Knots and Hitches
- The Figure 8 stopper knot is used to prevent a rope from running out of a pulley or anchor point.
- The primary purpose of dressing and setting a knot is to ensure it is secure and won't come undone.
- The working end of a rope is used to tie knots, while the standing part is the section not involved in the knot.
- The family of eight knots is popular in rescue operations due to their reliability and security.
- The Figure 8 follow-through is used to connect two ropes together securely.
Rescue Litter and Harnesses
- The chest harness is used to secure a rescuer to the rescue litter.
- The hasty harness should be used in emergency situations where time is critical.
- The primary purpose of the rescue litter is to transport patients or casualties in rescue operations.
- The victim lashing is used to secure a patient to the rescue litter.
Equipment Inspection and Maintenance
- All rescue equipment should be inspected regularly to ensure it is in good condition.
- Charged hose lines should be tied off securely when hoisting.
- A ladder should be secured when hoisting to prevent it from shifting or falling.
Test your knowledge about the Prusik cord pinch test and its importance in rock climbing safety. Understand the factors that affect the performance of the Prusik hitch and its impact on rope safety.
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