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You are lifting a 5-ton weight with a single whip rove on a swinging boom set at an angle of 20° 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 3/8 inch |
B) 1 1/2 inch |
C) 1 3/4 inch |
D) 1 7/8 inch |
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Comments |
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shanepmace@gmail.com - 2017-01-12 12:35:56 Expired Member (1) |
Is the formula 3d squared where d is the díameter of the schackle? |
Bikis22 - 2015-12-03 08:33:36 Member (8) |
what is the formula for this question? |