North Carolina Building Contractor License Practice Exam

What is the best method for unloading post-tensioning cable?

1. Chain and hook through the center of the bundles

2. Forklift blades

3. Nylon straps used as a choker

4. None of the above

The correct answer is: None of the above

The best approach to unloading post-tensioning cables involves using techniques that prevent damage to the cables and ensure safety. None of the provided methods are ideal for this purpose, leading to the answer "None of the above." When handling post-tensioning cables, it is essential to use methods that avoid placing undue stress on the cables. Chain and hook methods can risk damaging the cables by causing sharp bends or crushing them. Forklift blades, while helpful for moving heavy loads, might not provide the necessary support or control when managing bundles of delicate post-tensioning cables. Using nylon straps as chokers can also create tension points that may lead to cable damage during unloading. Overall, the unloading process should prioritize the integrity of the cables, potentially employing specialized lifting equipment designed for the safe handling of such materials. This approach assures proper distribution of weight and minimizes the risk of damage, making it clear why none of the proposed methods are suitable.