NCCER Millwright Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Study for the NCCER Millwright Test. Prepare with multiple-choice questions and flashcards that provide insights and explanations. Get ready for your exam!

Practice this question and more.

Which of the following is a common maintenance task for hydraulic systems?

Changing filters regularly
Inspecting for vibration
Balancing weights
Assuring alignment

The correct answer is: Changing filters regularly

Changing filters regularly is a vital maintenance task for hydraulic systems because it helps to ensure that the hydraulic fluid remains clean and free from contaminants. Hydraulic systems rely on fluid for transferring power, and any particles or debris in the fluid can lead to wear and tear on components, decreased efficiency, and potential failure of the system. Regular filter changes maintain the integrity of the system by preventing contaminants from circulating and causing damage, thereby extending the life of hydraulic components and ensuring reliable operation. While inspecting for vibration, balancing weights, and assuring alignment are important maintenance tasks in various mechanical systems, they do not specifically address the unique needs of hydraulic systems regarding fluid cleanliness and efficiency. Thus, they are less directly related to the specific maintenance practices required to keep hydraulic systems functioning optimally.