Deck : Deck General - 2061/5076
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| What is the stress on the hauling part when lifting a 4,200 lbs. weight using a threefold purchase rove to advantage? (Allow 10 percent of the weight per sheave for friction.) |
| A) 571.4 |
| B) 715.2 |
| C) 960.0 |
| D) 1066.7 |
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