Increase Crane Load Capacity with Reeving Cables

Does reeving cable through the sheaves of a crane increase the load it can carry?

Option 1: True

Option 2: False

Answer:

Reeving more cables through the sheaves of a crane does indeed increase the load it can carry.

Final answer: Reeving more cables through the sheaves of a crane does indeed increase the load it can carry.

The statement 'Reeving cable through the sheaves of a crane increases the load it can carry' is true. A key point to understand in this question is related to the principle of a pulley system used in cranes. The more cables (or 'reeves') that are run through the sheaves (pulleys), the greater mechanical advantage is achieved and thus the heavier the load that can be lifted. This is due to the increased tension distributed across the cables.

For instance, if the pulley system applies a force of 4T, effectively, four cables are pulling on the system, hence, it can handle a larger load. Understanding this concept involves grasping how force multiplies in a pulley system. Each additional cable increases the tension force that the system can tolerate. Using this approach, cranes can lift loads far heavier than the crane itself. However, other factors like the structural stability of the crane itself and safety protocols must be kept in mind.