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17 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What cause ropes to deteriorate? |
Chemicals Abrasion Mechanical damage Shock load Ultra violet Extreme heat |
CAMSUE |
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What do you do if you find damage to a rope |
1. Report damage to OIC 2.complete a damaged/ missing equipment form 3.tag the rope line with details of station, car no., damage or contamination 4.attach a request form of the rope line is to be replaced 5.stow rope line in bag 6.send rope line to mechanical engineering services |
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List 5 characteristics of a good knot |
Easy to tie Easy to recognise when tied Easy to untie Should not slip or excessively tighten Will not significantly reduce the strength of the rope |
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How to you tie a hose line to take aloft |
Tie a clove hitch and half hitch to a bite in the hose approximately 3-4m back from branch Then tie a half hitch to the boss of the branch |
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Which knots are used to lower/ haul a charged high pressure line aloft |
Tie a rolling hitch approximately 2m back from the branch Then tie a half hitch below handle |
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Which knots do you use to haul an axe aloft |
Tie a clove hitch to the axe head splitting and hitch each side |
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What knots are used to Haul an extinguisher aloft |
Tie a rolling hitch to the base then tie a half hitch near the top. Ensure the nozzle is not caught on the knots |
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Which knots are used to replace a damaged length aloft |
Tie a clove hitch with half hitch approximately 3m back from the coupling |
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Which knots are used to replace a damaged length aloft |
Tie a clove hitch with half hitch approximately 3m back from the coupling |
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Which knots are used to haul/lower a ceiling hook |
Tie a rolling hitch to the handle end of the hook, then tie a half hitch approximately 200mm below the hook |
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Name some characteristics of general purpose (GP) line |
White when new 12mm diameter 3 strand right hand lay Polyester fibres Melting point at 250 degrees Min breaking strength 2200kg Safe working load 450kg Length 30m Div A 10,20,30m Div B |
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List some specifications of life rescue lines (LRL) in Div A |
Orange with blue 50m Blue with orange 25 m 13mm diameter working load limit 272kgs Nylon 66 core Polyester sheath Melting point 220 Stretches 3% at 80 kg load |
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List some specifications of life rescue line in Div B |
Orange with blue fleck Blue with orange fleck 13mm diameter 50,100 & up to 200m 410 max working load Safety factor 1:10 Nylon fibre 220 melting point 2-4% stretch |
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What knot is used to join LRL |
Double fisherman’s |
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What knot is used to join LRL |
Double fisherman’s |
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What knot is used to create an eyelet for a karabina |
Butterfly knot |
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What is a figure 8 knot used for |
Used as a stopper, can be doubled up |
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