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23 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is the purpose of using a jib? |
Increase height |
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When taking a side strain on a boom, what concerns the operator most? |
Boom damage |
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You should always have at least how many wraps on a hoist drum? |
2 |
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How many randomly broken wires in one lay are required in a running wire rope before it must be taken out of service? |
6 |
3 in one strand |
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When lifting personal in a man basket using 6 x 19 wire rope, the minimum safety factor is? |
7 |
Double safety factor |
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When lifting personal in a man basket using 6 x 19 wire rope, the minimum safety factor is? |
7 |
Double safety factor |
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What is the safety factor required when using non rotating wire rope and lifting personal in a man basket? |
10 |
5 to 1 safety factor |
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When lifting personal in a man basket using 6 x 19 wire rope, the minimum safety factor is? |
7 |
Double safety factor |
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What is the safety factor required when using non rotating wire rope and lifting personal in a man basket? |
10 |
5 to 1 safety factor |
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Who has the responsibility for determining the correct weight of the load? |
Supervisor |
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When working near a power lines when is a signal person required? |
When crane moves within a booms length of powerlines |
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When working near a power lines when is a signal person required? |
When crane moves within a booms length of powerlines |
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When an operator leaves the crane, he must first? |
Put the load on the ground and put all dogs or pawls in |
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If replacing the hoist line wire rope on a crane, how do you determine the size or type of wire rope to use? |
Use manufacturer’s operators manual or load chart |
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When making a multiple crane lift it is important for the operator to understand that? |
The weight may increase if the other crane lands the load |
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If a crane is not set up level and the operator swings a load from the high side to the low side, the load radius will? |
Increase |
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Most crane manufacturers reduce load capacity for duty-cycle operations because? |
Side loading forces may occur |
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On who’s recommendation should a preventative maintenance program be set-up? |
Crane manufacturer |
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On who’s recommendation should a preventative maintenance program be set-up? |
Crane manufacturer |
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What is the standard rope used on most cranes? |
Right regular lay |
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The proper way to calibrate a boom angle indicator is? |
Using a level, raise the boom to horizontal and set the indicator to 0 degrees |
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The red area of an instrument gauge means? |
A dangerous condition exists |
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The best way to keep people from being injured from the counter weight of the crane is to |
Fence or barricade the swing area of the crane |
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