Deck : Deck General - 580/5076
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| You are lifting a 3 ton weight with a single whip rove on a swinging boom set at an angle of 60° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom. |
| A) 1 1/8 inch |
| B) 1 1/2 inch |
| C) 1 3/4 inch |
| D) 2 inch |
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