Term
Fibre Rope is a commonly used tool which has many applications such as: |
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Definition
*Slings for Hoisting Materials *Handlines for lifting loads *Taglines for helping to guise and control loads |
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Term
A Rigger of a fibre rope will be required to |
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Definition
*To Tie a safe and reliable knot or hitch in fibre rope *Fastening a hook, making eyes for slings *Tying on a tagline |
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Term
Fibre ropes should be used cautiously for rigging since: |
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Definition
*Their Strength is more variable than that of synthetic fibre ropes. *They are more subject to deterioration from rot, mildew, and chemicals. |
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Term
Polypropelen is the _____ common fibre rope used in rigging. |
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Definition
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Term
Nylon fibre is remarkable for its ________ |
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Definition
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Term
Polyester ropes are stonger than __________ but not so strong as ________ |
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Definition
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Term
All fibre ropes _______ _________ when wet. |
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Definition
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Term
Polypropylene's characteristics are: |
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Definition
*It Floats but does not absorb water *It Stretches Less *It is however affected by Sunlight and should not be left outside for long periods. * It also softens with heat |
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Term
Nylon's characteristics are: |
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Definition
*Nylon rope is considerably stronger than the same size and construction of polypropylene rope *Nylon stretches, hence is not used much for rigging. *It is also more expensive | Loses strength when wet | has low resistance to acids. |
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Term
Polyester's characteristics are: |
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Definition
*They have good resistance to acids, alkalis, and abrasion *They do not stretch as much as nylon *They resist degradation from ultraviolet rays; and don't soften in the heat. |
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Term
When Checking fibre rope first: |
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Definition
Check first for extrernal wear and cuts, variations in the size, discoloration, and the elasticity or "life" remaining in the rope. |
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Term
When Checking fibre rope untwist... |
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Definition
The strands without kinking or distorting them
The inside of the rope should be as bright and clean as when it was new.
Check for broken yarns, excessively loose strands and yarns, or an accumulation of powdery dust (which indicates excessive internal wear between the stands as the rope is flexed back and forth in use) |
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Term
What are the characteristics of a rope not used for hoisting? |
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Definition
*Inside of the rope is dirty *Strands have started to unlay *Rope has lost life and elasticity. |
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Term
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Definition
Pull the inside end up through the coil and unwind counterclockwise. |
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Term
List the procedures to putting away a rope: |
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Definition
*Recoil the rope clockwise *Keep looping the rope over your left arm until about 15ft remain *Start about a foot from the top of the coil and wrap the rope about six times around the loops. *Then use your left hand to pull the bight back through the loops and tie with a couple of half hitches to keep the loops from uncoiling. |
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Term
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Definition
Room with dry cool air with good circulation. 10C-21C | Humidity 40%-60% |
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