Deck : Deck General - 4717/5076 |
---|
« 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 60°. |
B) The stress on the heel block is less at 20°. |
C) The stress on the head block is less at 60°. |
D) The stress on the topping lift is greater at 60°. |
loading answer...
Comments |
---|
There are no comments for this question. |