Armed Services Vocational Aptitude Battery study guides are available on StudyGuideZone.com and UnionTestPrep.com. Both sites offer free study guides as well as practice tests and sample questions so students can get a feel for the format of the test.
As of 2015, sections on the ASVAB test include General Science, Mathematic Knowledge, Mathematic Reasoning, Word Knowledge and Reading Comprehension. There are also sections on Electronic Comprehension, which measures how much the test taker knows about basic electronics; Mechanical Comprehension, which focuses on the properties of various materials; and Shop Comprehension, which measures knowledge of maintaining vehicles. There are between 15 and 35 questions in each section.