The AFQT score is the most important ASVAB score, because it determines if you can enlist in the U.S. Army. However, the U.S. Army also converts the ASVAB test scores into 10 other composite score areas known as "line scores" that determine what MOS an individual may qualify for. Listed below are the parts of the ASVAB that affect your AFQT test scores and each of the ten line scores.

The best way to answer questions in this section is to read each paragraph twice before you answer. First, read it quickly to get the main idea. Next, read it again, paying more attention to the details that relate to the main point. Then, read all of the questions and refer back to the paragraph to help you choose the best answer. If you take this approach, you will be more relaxed and efficient, and less likely to get thrown off the track by being nervous.
A capacitor stores an electric charge using two parallel plates with a a nonconducting material (dielectric) between them.  Capacitors can provide a fixed or variable capacitance in a circuit.  Capacitance is measured in farads (F) and depends on the surface area of the plates (larger means higher capacitance), their distance apart (closer means higher capacitance), and the type of dielectric.
The Mathematics Knowledge section of the exam measures your knowledge of various math areas, such as algebra and geometry. You may be asked to find the square root of a number or the volume of a brick with given dimensions. Algebraic problems may require finding the value of “y” in a given equation. A review of math symbols—such as ≠, ≤, and √—can help you solve the given problems much faster, and using our ASVAB math study guide to practice answering the algebra and geometry questions on the test can help increase your overall AFQT score. The CAT-ASVAB has 16 questions in 20 minutes; the paper-and-pencil version has 25 questions in 24 minutes.

AFQT scores are reported as percentiles between 1 and 99, and the score is relative: Your AFQT score indicates how well you did compared to the scores of a reference group. For example, if you score 71, that means you scored as well as or better than 71 percent of those in the reference group. If you score 50, your score is exactly average compared to the reference group. According to the Army, about half the population scores at or above 50, and about 16 percent of the population scores at or above 60.

The Auto and Shop Information section of the ASVAB test measures your knowledge of automobile technology and basic repairs. The shop questions are about basic wood and metals. For example, you will encounter questions such as “Shock absorbers on a car connect the axle to the: wheel, chassis, drive shaft, or exhaust pipe?” You may be asked what sanding blocks are used for, followed by the following choices: preventing high spots and ridges on sanded surfaces, preventing dirt from collecting on the sandpaper, stretching the length of sandpaper, or prolonging the use of the sandpaper. The CAT-ASVAB test has two parts: the first part covering automotive material asks 11 questions in 7 minutes; the 11 shop information questions are allotted 6 minutes. The paper-and-pencil version asks 25 questions in 11 minutes.

The Armed Services Vocational Aptitude Battery is more commonly known as the ASVAB Test. If you are interested in a military career, you will need to pass this challenging test in order to qualify. It is used for all branches of the military which includes the Army, Navy, Air Force, Marines, National Guard, and Coast Guard. It is also used to gauge your abilities in specific areas that may be relevant to your job assignments within the military. For more information about the exact details of this exam, check out our article titled What is the ASVAB Test?
The CAT-ASVAB is a multiple choice computer test consisting of ten subtests totaling 145 questions with an allotted time of 153 minutes, approximately 2.5 hours. The test will be adaptive meaning each question will be adapted to the skill level of the examinee based on their previous answers. The overwhelming majority of those, currently in the military, took the CAT-ASVAB. The table below provides a breakdown for the CAT-ASVAB:
The ASVAB is a series of tests developed by the Department of Defense and is used by the U.S. Army to determine whether you have the mental aptitude to enlist. The ASVAB also helps determine which Military Occupational Specialties (MOS) you qualify for. The ASVAB is required to enlist in the U.S. Army and is valid for two years. The ASVAB may be given in a computerized version at a Military Entrance Processing Station (MEPS) or in a paper version at various Military Entrance Test (MET) sites around the country or at high schools and colleges. 
Like other military aptitude tests, the ASVAB measures general knowledge from a wide range of categories which can make studying for it seem hopeless at times. Fortunately there are a number of books and study guides out there to help you do well and increase your score. Although this list isn't comprehensive it does include the most helpful and relevant study guides available for succeeding on the ASVAB and, by extension, allowing you to start your career serving in the U.S. Armed Forces. 
A good score on the ASVAB is different than a minimum required score.  Each of the military branches will have their own minimum required scores (see below).  In practice, however, each branch will be more selective in their recruiting.  A score of 50 on the ASVAB implies that you scored as well or better than 50% of comparable test-takers.  Since ASVAB scores are used for many purposes (e.g., enlistment eligibility, military job placements, and career exploration), it is important that you score well on the ASVAB.  A score of 60 or better should be your minimum target.
My recruiter told me about this book so I ordered it and got it 3 days later from the Military Bookstore. I got this book and it is awesome. The cd works great and every thing I needed and more to help me was in there. I recommend this book to everyone who is thinking of going in the service and wants to get a real job! GET THIS BOOK AND SCORE HIGH!!!!”
Composite Scores are sometimes referred to as “line scores”, “aptitude area scores”, or “MOS scores”. These scores are derived by adding different combinations of the sub test standard scores. Composite scores are used by the different branches of the U.S. Armed Services to determine which military jobs (or Military Occupational Specialities/MOS) may be the best fit for you. These composite scores are only one factor in determining which military job is right for you. The recruiter will also use job availability, physical and medical qualifications, and eligibility for security clearance as additional factors. Each branch of the service also defines their own composite scores and eligibility requirements. Some of these definitions and requirements are shown below:

When you're finished with the course materials, take our complete ASVAB practice exams. These practice exams were crafted in the style of the actual ASVAB exam, so you can get comfortable with the exam's content, question format and difficulty level. The practice exams help reinforce your understanding of the material you've studied, and they'll identify incorrect answers, so you can go back to specific lessons and fill in any knowledge gaps if necessary. If you ever get stuck or need any extra help, reach out to our expert academic tutors. They'll be happy to help you out and answer any questions you may have.
On the CAT-ASVAB, you answer one question at a time and can’t go back and change your answers once you’ve submitted them. If you answer a question correctly, you get a more difficult question, but if you are incorrect, you are given an easier question to answer. This is called “adaptive” testing. Once you finish a section you can go on to the next section at your own pace.

Note: Active duty Marines must get permission in writing from the Commandant of the Marine Corps before taking the ASVAB (ATTN: HQ Marine Corps, Marsh Center, Manpower and Reserve Affairs (MPP), 3280 Russell Road, Quantico, VA 22134-5103). Marine Corps Individual Ready Reserve (IRR) members and Marine Corps reservists do not need the Commandant’s permission before ASVAB testing at a MEPS. If any military personnel, not including those in the Individual Ready Reserve (IRR), tests at a MET site and not a MEPS, the test will be invalidated.
High school students can take the test in their sophomore, junior, or senior years, although scores from sophomore tests can’t be used for enlistment purposes. There is no charge to sit for the exam, and the results will have no impact on your high school academic record or your college application. This is a risk-free way to better evaluate your opportunities for the future after high school graduation.
The Kaplan guide has everything I needed to prepare myself for the exam. The book was a great help for refreshing my memory in math and English for the test. Timing yourself on the practice tests is also a great way to make sure you are ahead of the game and never worry about time in the actual test. This is one of the best study guides I have ever seen or used but be prepared to spend time doing the work. As I said it will take hours to go through the material and learn what you need. I believed this book had a direct result in scoring an AFQT of 99. Excellent Book!
The format of a paragraph is also a key component of mathematical reasoning. A physics equation, for instance, will be formatted far differently than a simple algebraic equation; a physics word problem will likely involve a vehicle of some type (car, train, plane, etc.), while a simple addition equation may involve a myriad of different situations in many different contexts. To determine the nature of the equation, you must first identify the format and context of the paragraph. From there, you can combine the buzzwords and numbers to form a completed, simplified equation.
The Electronics Information section of the practice test gauges your knowledge of electrical equipment and parts, including circuits, currents, batteries, and resistors. An example may be, “Because solid state diodes have no filament, they: don’t work, are less efficient than tubes, require less operating power, or require more operating power?” The CAT-ASVAB has 16 questions in 8 minutes; the paper-and-pencil version has 20 questions in 9 minutes.
If school district or open-enrollment charter school has entered into a prior contract under which a vocational aptitude test that does not comply with the requirements for an alternative test outlined above, then the school district, open-enrollment charter school, or high school may elect not to provide the ASVAB for the term of the contract. On the expiration of the contract term, the requirements outlined in this letter become applicable to the school district, open-enrollment charter school or high school.
The General Science section of the test covers earth, space, and physical and life sciences. Because science is such a vast and dynamic topic, focus your study on basic principles. This gives you a good foundation to work through any question that is asked of you. Typical questions may include: “Why is air less dense than water?” or “How do you convert Celsius temperature to Fahrenheit?” The CAT-ASVAB test asks 16 questions in 8 minutes, while the pencil-and-paper version asks 25 questions in 11 minutes.
Every single individual that wishes to serve this country is without a doubt a brave person that deserves respect. These practice tests are offered because everyone wants to see these soldiers follow their dreams. Additionally, the nation as a whole firmly believe that those honorable individuals should not be held back because of their inability to recall some pieces of information. This nation does not just dream about making a difference.
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