To pass the test, there are two major points of consideration. First, you must get used to answering questions on aptitude tests.
To practice these tests, you can use JobTestPrep.
The second point is familiarizing yourself with the job specifications.
The maintenance assessment will be a reflection of the requirements for the role. If you struggle with answering these questions, it indicates to an employer that you may struggle with the job role.
Understanding the job specifications of whichever maintenance area will give you a better chance of succeeding on the test.