Free ASVAB Practice Tests

  • Every Test is Unique
    Custom software and unique templates randomize questions, answers, and variables every time you take a new test. You'll never take the same test twice!
  • 1,557 Questions, Problems & Flash Cards
    Huge database of 668 multiple-choice questions, 135 math and algebra problems, and 754 flash cards to help you prepare for the ASVAB.
  • Detailed Solutions
    Get a question wrong? All questions and problems have detailed answer explanations so you can learn exactly how to get it right the next time.
  • Know You're Ready
    Want to know how you stack up? When you're done with a practice test you can compare your score to everyone else who has ever answered those questions.
  • Interactive Study Guide
    Detailed ASVAB study guide, MOS study guides, and line score study guides outline exactly what you should know to earn your target scores and customized tests and flash cards for each topic let you laser focus your limited study time.
  • Brand New for 2019
    ASVAB Test Bank has been completely redesigned for 2019 with all new questions, problems, and flash cards. And the redesign isn't done! Coming soon:
    More Content
    More questions, problems and flash cards
    Bookmarks
    Create a custom study guide with just the topics you're studying
    Score Estimator
    Custom estimate of your potential ASVAB score

    Plus printable tests, Q&A, and an ad-free upgrade. Have a suggestion? Please let us know what you want!

Take an ASVAB Practice Test

Sample Practice Test Questions

Automotive Information

What is the function of the head gasket?

to seal the engine block from the cylinders

A head gasket is a gasket that sits between the engine block and cylinder heads to seal the cylinders to ensure maximum compression and avoid leakage of coolant or engine oil into the cylinders.

General Science

Plant cells may generate energy through which of the following?

photosynthesis

Some plant cells produce their own energy through photosynthesis which is the process by which sunlight, carbon dioxide, and water react to make sugar and oxygen. Animal cells cannot produce their own energy and, instead, generate energy when mitochondria consume outside sugar and oxygen through aerobic respiration.

Mechanical Comprehension
If you have a gear train with two gears, the first with 32 teeth and the second with 4 teeth, how many revolutions does the second gear make for each revolution of the first gear?
8

The gear ratio (Vr) of a gear train is the product of the gear ratios between the pairs of meshed gears. Let N represent the number of teeth for each gear:

Vr = \( \frac{N_1}{N_2} \) \( \frac{N_2}{N_3} \) \( \frac{N_3}{N_4} \) ... \( \frac{N_n}{N_{n+1}} \)

In this problem, we have only two gears so the equation becomes:

Vr = \( \frac{N_1}{N_2} \) = \( \frac{32}{4} \) = 8

Shop Information

Which of the following nuts prevent loosening via nylon in their threads?

lock

Wrenches are used with threaded fasteners like bolts and nuts. A bolt has external threads while a nut has internal threads and this thread pattern combination allows them to lock together and act as fasteners. Nuts come in a variety of configurations including wing nuts which provide appendages that allow tightening and loosening by hand, slotted nuts that use a cotter pin to lock the nut in place and prevent it from loosening, and lock nuts that also prevent loosening via nylon in their threads. Threads are identified by pitch which is the number of threads per inch.

Word Knowledge
Regurgitate most nearly means:
spew
To pour out or throw back.
Mechanical Comprehension

A wedge converts force applied to its blunt end into force __________ its inclined surface.

perpendicular to

The wedge is a moving inclined plane that is used to lift, hold, or break apart an object. A wedge converts force applied to its blunt end into force perpendicular to its inclined surface. In contrast to a stationary plane where force is applied to the object being moved, with a wedge the object is stationary and the force is being applied to the plane. Examples of a wedge include knives and chisels.

General Science

Which of the following is not a terrestrial planet?

Jupiter

The four planets closest to the Sun (Mercury, Venus, Earth, and Mars) are called terrestrial (Earth-like) planets because, like the Earth, they're solid with inner metal cores covered by rocky surfaces.

General Science

Carbohydrates are found in:

sugars and starches

Carbohydrates are major sources of energy for the body and are found in sugars (fruit, cane sugar, beets) and starches (bread, rice, potatoes, pasta).

Electronics Information

What type of current flows in only one direction in a circuit?

direct

Direct current flows in only one direction in a circuit, from the negative terminal of the voltage source to the positive. A common source of direct current (DC) is a battery.

Math Knowledge

What is the circumference of a circle with a radius of 18?

36π

The formula for circumference is circle diameter x π. Circle diameter is 2 x radius:

c = πd
c = π(2 * r)
c = π(2 * 18)
c = 36π