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28 Cards in this Set
- Front
- Back
- 3rd side (hint)
What are general purpose ropes used for in firefighting? |
Securing delivery hoses and equipment, tying suction hoses, hauling and lowering hose lines and gear. |
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What colour is a GP line? |
White when new |
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What is the diameter of a GP line? |
12mm |
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What is the construction and fibre of a GP line? |
3-strand right hand lay, polyester |
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What is the melting point of a GP line? |
250 degrees celsius |
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What is the minimum breaking strength of a GP line? |
2200kg / 22kN (when new) |
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What is the safe working load of a GP line? |
450kgs |
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If a GPL bag is unavailable how should the line be stored? |
Made up in approx. 1.8m loops with several small loops near the top to secure and enable it to be hung up, if necessary. |
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What colour is an MFB LRL? |
Orange with blue fleck (50m) Blue with orange fleck (25m) |
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What is the diameter of a LRL?/ |
13mm |
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What fibre is a LRL made from? |
Nylon 66 core / polyester sheath |
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What is the melting point of a LRL? |
220 degrees celsius |
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What is the working load limit of a LRL? |
272kgs, 15:1 safety factor |
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LRL length pumpers |
1 x 50m 1 x 25m |
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Rescue unit LRL |
1 x 50m 1 x 25m |
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Describe the Kernmantle rope construction |
It is made of a nylon core that is braided. The polyester sheath protects the core. |
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Who is responsible for the maintenance of LRLs? |
FS10, Richmond |
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What is the length of a general purpose line? |
MFB: 30m CFA: 10m, 20m & 30m |
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What is the procedure for getting a replacement LRL? |
-notify OIC -fill out record card -forward to FS10 |
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Rope line deterioration can be cause by: |
CAMSUE -Chemicals -Abrasion -Mechanical damage -Shock -UV and fluorescent light -Extreme heat |
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How often should a GP line be inspected? |
Once a month and after every use. |
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When inspecting the GP line, what should you check for? |
-Excessive abrasion, cuts or broken strands -localised or unusual discolouration -powdery filaments and fine powder |
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List the knot protocols for general purpose knots |
-knot is selected for the task -place tension on the line to set/tighten -all knots must be released after use -all knots must be inspected after tying (by looking away briefly, then back at the knot) - All LRL knots checked by another ff -all knots must have 150mm tail minimum after tightening |
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List 5 characteristics of a good knot |
-Easy to tie -easy to untie -easily recognised when tied correctly -should not slip -will not significantly reduce the strength of the line when tied correctly |
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List the general purpose knots used by the MFB/CFA |
1. Overhand 2. Half hitch 3. Clove hitch 4. Rolling hitch 5. Round turn and 2 half hitches 6. Double sheet bend 7. Bowline |
There are 7 |
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List the 5 LRL knots |
1. Figure 8 stopper 2. Figure 8 on the bight 3. Figure 8 on the bight (follow through) 4. Double Fisherman’s 5. Alpine Butterfly |
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Where and how should a GP line be stored? |
If undamaged, loosely fed into a GPL bag with end secured in velcro. |
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What does TRUSS stand for? |
Advantages to a good knot: -easy to TIE -easily RECOGNISED when tied correctly -easy to UNTIE -does not SLIP -won’t reduce STRENGTH of the rope when tied correctly |
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