Red Seal Agricultural Equipment Technician Practice Exam

What are the signs of a worn-out hydraulic hose?

1. Shorter length than normal

2. Increased noise during operation

3. Cracks, leaks, or bulges in the hose

4. Reduced horsepower of the tractor

The correct answer is: Cracks, leaks, or bulges in the hose

The indications of a worn-out hydraulic hose are crucial for ensuring the safe and efficient operation of machinery. When looking at the symptoms present in a hydraulic system, cracks, leaks, or bulges in the hose are particularly telling. These signs suggest that the integrity of the hose has been compromised, which can lead to hydraulic fluid leaks and eventual failures in the hydraulic system. Cracks can allow fluid to escape under pressure, which reduces the system's effectiveness and could lead to catastrophic failure if not addressed. Bulges indicate that excessive pressure is causing the hose to deform, potentially leading to a rupture. Leaks can also directly impact the performance of hydraulic equipment, as they reduce the amount of fluid in circulation, which is essential for transmitting power and controlling machinery. Overall, monitoring for these physical signs on hydraulic hoses is essential to maintain equipment functionality and prevent further damage or accidents that could arise from hydraulic failures.