Red Seal Heavy Duty Equipment Technician Practice Exam

What describes a well-maintained hydraulic hose?

1. It exhibits frequent leaks

2. It shows visible cracks and kinks

3. It maintains flexibility without kinks and has no cracks

4. It is overly rigid

The correct answer is: It maintains flexibility without kinks and has no cracks

A well-maintained hydraulic hose is characterized by its ability to maintain flexibility without kinks and the absence of cracks. Flexibility is crucial for hydraulic hoses, as it allows for proper movement and operation within hydraulic systems, which often require the hose to navigate around other components while under pressure. Cracks in a hose can lead to leaks, reducing efficiency and increasing the risk of system failure. In contrast, characteristics like frequent leaks or visible cracks and kinks indicate deterioration and potential failure of the hose. An overly rigid hose may suggest aging or damage, hindering the proper flow of hydraulic fluid and potentially causing stress on connectors and other system components. Therefore, option C accurately represents the attributes of a hydraulic hose that is in good condition and well-maintained.