62 Questions
Which type of company is likely to carry roof ropes?
All engine and truck companies
What additional equipment is carried by the Urban Search and Rescue team companies for specific rescue situations?
An assortment of additional equipment
What type of equipment is carried on all truck companies?
Webbing and lifting harness
Which type of company carries an assortment of additional equipment for specific rescue situations?
Urban Search and Rescue team companies
Why have synthetic ropes replaced natural-fiber ropes in the past several years?
Synthetic ropes have better resistance to abrasion and UV exposure
At what load does a low-stretch (static) rope stretch less than 5 percent?
450 lbf (2 kN)
Why should low-stretch (static) ropes not be used in situations requiring the stretch of a high-stretch (dynamic) rope?
They cannot absorb the shock of a long fall
What is the maximum elongation allowed for low-stretch (static) ropes at 75 percent of their breaking strength?
45 percent
What is the minimum elongation required for low-stretch (static) ropes at 75 percent of their breaking strength?
15 percent
What is the minimum breaking strength for rope used in a two-person system according to NFPA 1500 (1997) 5-9.3?
9,000 lbf (40kN)
When is life safety rope allowed to be reused according to NFPA 1500 (1997) 5-9.3?
If inspected before and after each use
What is the minimum breaking strength for rope used in a one-person system according to NFPA 1500 (1997) 5-9.3?
4,500 lbf (20kN)
Under what conditions is life safety rope allowed to be reused according to NFPA 1500 (1997) 5-9.3?
If it has been inspected before and after each use
What should you visually inspect a rope for?
Visible wear, cuts, exposed core material, excess wear and abrasion of the sheath material, and discoloration from chemical contamination
What is the maximum elongation allowed for low-stretch (static) ropes at 75 percent of their breaking strength?
5%
Under what conditions is life safety rope allowed to be reused according to NFPA 1500 (1997) 5-9.3?
If it shows no visible signs of wear or damage after inspection
Why have synthetic ropes replaced natural-fiber ropes in the past several years?
Synthetic ropes have better resistance to chemicals and moisture, and they are stronger and more durable than natural-fiber ropes
What is the most important step to avoid mildew and mold when storing a rope in a rope bag?
Ensuring the rope is completely air dried
Why is it important to ensure that the rope is completely air dried before storing it in a rope bag?
To prevent the growth of mildew and mold
What is the minimum melting temperature of low stretch nylon rope?
400° C
What triggers the immediate request for a replacement rope from the US&R station?
More than half of the outer sheath yarns are broken in one pique
In what condition is a rope not suitable for further use and should be retired from service?
Severe shock force from a fall or stressed with a load beyond what it was designed to hold
What should be recorded in the rope log every time a rope is used?
Information about how it was used
When should a replacement rope be immediately requested from the US&R station?
When there is excessive sheath wear.
Under what condition would a rope be considered unsuitable for further use and should be retired?
If an inspection exposes an obvious fault or damage.
What triggers the immediate request for a replacement rope from the US&R station?
Severe shock force from a fall or stressed with a load beyond what it was designed to hold.
When is a rope not suitable for further use and should be retired from service?
When it is worn out from use or age.
What is the diameter of Prusik cord used primarily to make Prusik loops?
8mm
What is the material construction of Prusik cord?
Nylon Kernmantle
What is the main purpose of Prusik cord?
Making Prusik loops
What is the stretch characteristic of Prusik cord?
Low-stretch (static)
What is the optimal length for creating long prusiks using 8mm cord on 1/2-inch rope?
70 inches
How are the prusik cords tied to create a continuous loop?
Double overhand bend
What size of prusik cord is used for prusiks on 1/2-inch rope?
8mm
What type of pulleys are the cord lengths compatible with?
2-inch prusik minding pulleys
In what way does needle loom construction differ from the conventional construction?
It involves folding the webbing before stitching
What is the color-coding for a 5-foot length of webbing?
Green
What is the color-coding for a 15-foot length of webbing?
Blue
What is the color-coding for a 12-foot length of webbing?
Yellow
What is the color-coding for a 20-foot length of webbing?
Orange
The following are characters of a good knot
- Easy to tie.
- Easy to identify to determine if they are tied correctly.
- Will not work loose on their own.
- Minimally reduce rope strength.
- Relatively easy to untie after loading.
True
Match the term with the definition
Running End = the part used for work such as hoisting, pulling, or belaying Working End = aka loose end or bitter end, is used in forming a knot Standing part = between the working end and the running end Knot = rope or webbing, which is intertwined
Match the term with its definition
Bend = two rope or webbing ends connected together Hitch = rope or webbing around an object Bight = formed by simply bending the rope back on itself, while keeping the sides parallel loop = made by crossing one side of a bight over the standing part so the rope crosses itself
A round turn is made by continuing to cross one side of a loop all the way around to form a circle with the ends of the rope parallel as in a bight.
True
The Figure 8 stopper is also known as the Figure 8 knot
True
A well-dressed and set knot is typically weaker and harder to check for safety.
False
The Figure 8 stopper is also known as the Figure 8 knot.
False
The family of eight knots needs to be dressed and set, which means all the strands should...
Run parallel and lie flat against each strand
How long does the tail need to be left at the end of the rope
6 in
What knot is used in place of the Figure 8 on a blight when it is not possible to slip the loop over the intended object or clip it in with a carabiner
Figure 8 Follow Through
What is used to join the ends of one rope to the ends of two ropes in the same diameter together
Figure 8 Bend
What is the minimum diameter required for an anchor to maintain the full strength of the rope in a tensionless anchor?
Four times the diameter of the rope
What type of knot is tied in the running end of the rope in a tensionless anchor?
Figure 8 on a bight
Where should the tensionless anchor be applied on an anchor point?
As low as possible
What is the minimum breaking strength of the life ropes carried on truck companies?
9000 lbf
What type of rope does the US&R team use for specific rescue situations?
150-foot and 300-foot 1/2-inch Kernmantle
What is the standard compliment water rope?
75 foot, 8.5mm Bluewater Econoline rope
What is the tension strength of a 75 foot 8.5 mm Bluewater Econoline rope?
1,500 lbf
Water rope is designed to float and be deployed out of a throw bag.
True
Utility Roof Ropes are
75 foot, 9mm Bluewater SearchLine, with a Technora sheath and nylon core
Each rope comes with an attached aluminum carabiner rated for
5,200 lbf
Should the utility roof ropes be mixed with the carabiners in the RS-1 equipment caches?
no
Test your knowledge of the basic and specialized rescue equipment carried by fire department truck companies, engine companies, and Urban Search and Rescue teams.
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