Construction Coordinator Practice Exam

When using a chain trencher, what happens if there is low tension in the chain?

1. It will cut faster

2. There is a higher chance of breakage

3. It improves digging accuracy

4. It will require more power

The correct answer is: There is a higher chance of breakage

When using a chain trencher, low tension in the chain can lead to a higher chance of breakage. The chain needs to maintain a certain level of tension to function effectively and safely. Insufficient tension can cause the chain to slack, which may result in uneven force distribution during operation. This uneven distribution can lead to excessive wear on the chain or even cause the chain links to snap under stress. Maintaining proper tension is crucial not only for the durability of the chain but also for the overall performance and efficiency of the trencher. While options like improved accuracy or faster cutting may seem desirable, those outcomes are typically not associated with low tension. Instead, proper tension contributes to optimal performance, reducing the likelihood of mechanical failures. Additionally, requiring more power would usually be a concern of high tension or a binding issue, rather than low tension. Therefore, recognizing the importance of adequate tension is vital in ensuring the equipment operates safely and efficiently.