Free ASVAB Practice Tests

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Sample Practice Test Questions

Math Knowledge

Simplify (y + 8)(y + 3)

y2 + 11y + 24

To multiply binomials, use the FOIL method. FOIL stands for First, Outside, Inside, Last and refers to the position of each term in the parentheses:

(y + 8)(y + 3)
(y x y) + (y x 3) + (8 x y) + (8 x 3)
y2 + 3y + 8y + 24
y2 + 11y + 24

Word Knowledge
The arrogant writer did not hide his disdain for his uneducated dinner companion.
scorn
Feeling of contempt.
Electronics Information

One of the lights on your Christmas tree burns out and this causes the rest of the lights connected to that strand to go dark. How are the lights in that strand connected?

series

Lights connected in series form a chain with each light connecting to adjacent lights via one wire. Therefore, if one of the lights burns out and breaks the series, none of the other lights will receive power and they'll go dark. Lights connected in parallel each connect to the positive and negative nodes of the power source and would not go dark if one of their neighbors burnt out.

Electronics Information

Which of the following will increase the magnetic field produced by the electric current in a wire?

wind the wire into a coil

A moving electric current produces a magnetic field proportional to the amount of current flow. This magnetic field can be made stronger by winding the wire into a coil and further enhanced if done around an iron containing (ferrous) core.

General Science

Sound travels fastest through which of the following media?

metal

The speed of a sound wave will vary with the medium.  Sound travels fastest through media that has particles that are very close together, like metal. Thus, it travels faster through water than through air and doesn't travel at all through a vacuum (there are no particles in empty space to vibrate).

Word Knowledge
After shouting to his players through the long game, the coach's voice was raspy.
harsh
rough, grating.
Word Knowledge
The executive was fired for his flagrant abuse of the company expense account.
glaring
Noticeably offensive.
Word Knowledge
The accountant advised Justine not to report her incidental expenses.
petty
Minor.
Automotive Information

Both intake and exhaust valves are closed as the piston begins moving back up from the bottom of the cylinder, compressing the air-fuel mixture in the combustion chamber which also makes it hotter. This describes which engine stroke?

compression

During the compression stroke, both intake and exhaust valves are closed as the piston begins moving back up from the bottom of the cylinder (bottom dead center or BDC). This compresses the air-fuel mixture in the combustion chamber which also makes it hotter.

Math Knowledge

Solve for c:
c2 - 5c - 6 = 0

-1 or 6

The first step to solve a quadratic equation that's set to zero is to factor the quadratic equation:

c2 - 5c - 6 = 0
(c + 1)(c - 6) = 0

For this expression to be true, the left side of the expression must equal zero. Therefore, either (c + 1) or (c - 6) must equal zero:

If (c + 1) = 0, c must equal -1
If (c - 6) = 0, c must equal 6

So the solution is that c = -1 or 6