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35 Cards in this Set
- Front
- Back
Manilla rope with one or more colored strands is? |
Number 1 grade |
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The type of dry rope with the best insulating properties is? |
Polypropylene |
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When loaded to the breaking point, nylon will stretch up to? |
40% it's original length |
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What is a thimble used for? |
To protect the eye of a rope around a hook. |
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What synthetic rope will float on water? |
Polypropylene. |
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To remove new rope from its shipping coil you should? |
Pull from the inside. |
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What is the purpose of whipping? |
To protect the ends of a rope from fraying. |
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The maximum load imposed on a rope should never exceed? |
1/9th it's breaking strength. |
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Sharp bends and knots reduce the strength of a rope by? |
50% |
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What is the portion of teaching rope which forms the loop called? |
The bight. |
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What knot multiplies tension imposed on it? |
Truckers hitch. |
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For overhead lifting you should use? |
A single piece of rope. |
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What must be done if a load comes into contact with a crane. |
Crane must be reinspected. |
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When is it acceptable to ride a load? |
Never. |
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What is the "centre of gravity"? |
The point at which an object will balance. |
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What can be used to adjust a rigged load for level? |
A turnbuckle |
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What is the clearance when working near a power line of less than 75000 volts? |
3m |
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What is the minimum distance when working near a power line of 75,000 to 250,000 volts? |
4.5 m (15') |
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What is the minimum distance when working near a power line of over 250,000 volts? |
6m (20') |
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The screw threads at each end of a turnbuckle must be? |
Lefthanded on one end and right handed on the other. |
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Shoulder type eyeballs able to withstand pulls at no greater than |
45° degrees to the vertical. |
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When several ropes are attached to one hook, make the connection using a? |
Shackle |
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The u bolt part of a cable clip shall be installed so it bears on the? |
Dead end of the rope |
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What does the number of cable clips required for a connection depend on? |
The diameter of rope |
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Correctly installed cable clips will reduce the breaking strength of rope by_________? |
20% |
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When are equalizer beams used? |
When more than one sling is used to distribute weight evenly. |
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Forklifts are best used for moving loads that are ________? |
Palleted |
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What are you required to do when using a screw jack in a confined area? |
Relocate the handle after every turn. |
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What type of overhead crane has a higher capacity? |
Top-running |
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The size of a jack is designated by its__________? |
Capacity |
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The mechanical advantage hydraulic Jacks is determined by what? |
The ratio of the pumps piston diameter to the lifting pistons diameter. |
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What is a pulling device that can use chain, wire or cable? |
A come-along |
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If you overload a tir for Jack, the shear pin will break causing ________? |
All movement to stop. |
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What type of gloves are deemed unsafe for material handling? |
Gauntlet type |
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How should loose material be stored? |
In containers or bins. |