Deck : Deck General - 4745/5076
|
|---|
| « Previous Question |
| You are lifting a one-ton weight with a swinging boom. When comparing the stresses on the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is TRUE? |
| A) The thrust on the boom is greater at 20°. |
| B) The stress on the heel block is greater at 60°. |
| C) The stress on the head block is greater at 60°. |
| D) The angle of elevation does not change the stresses in the masthead fairlead for the topping lift. |
loading answer...
| Comments |
|---|
| There are no comments for this question. |