Construction Coordinator Practice Exam

What should be inspected on a chain trencher before its operation?

1. Oil levels and spark plugs

2. Loose bolts and broken chain teeth

3. Electrical wiring and battery connections

4. Tire pressure and wheel alignment

The correct answer is: Loose bolts and broken chain teeth

Inspecting loose bolts and broken chain teeth on a chain trencher before its operation is essential for ensuring the equipment's safe and efficient functioning. The chain trencher relies on a series of teeth to cut through soil and rock, and any broken or worn teeth can lead to ineffective cutting, increased wear on other components, and potential damage to the machine itself. Additionally, checking for loose bolts is crucial because it helps maintain the structural integrity of the trencher. Vibrations during operation can cause bolts to loosen over time, which could lead to mechanical failures and safety hazards. Ensuring that all components are secure and that the chain is in good condition allows the trencher to operate smoothly and reduces the risk of expensive repairs or accidents on the job site. Other options, while they involve important checks for other types of equipment or machinery, do not specifically address the critical components of the chain trencher that directly affect its performance and safety in trenching operations.