Free ASVAB Practice Tests

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Sample Practice Test Questions

Word Knowledge
They were ecstatic when their team won the championship game in the last second.
overjoyed
Overwhelmingly emotional.
Mechanical Comprehension

Power is the rate at which:

work is done

Power is the rate at which work is done, P = w/t, or work per unit time. The watt (W) is the unit for power and is equal to 1 joule (or newton-meter) per second. Horsepower (hp) is another familiar unit of power used primarily for rating internal combustion engines. 1 hp equals 746 watts.

Word Knowledge
Bob's immoderate appetite shocked the guests at the wedding banquet.
excessive
Beyond usual or proper limits.
Word Knowledge
"Unless you can corroborate your story, it will not be admissible in court," the attorney told his client.
verify
To support with evidence.
Word Knowledge
Allison's painting met with plaudits from the critics, who had dismissed her earlier work.
kudos
Enthusiastic approval.
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.

Arithmetic Reasoning

Solve for \( \frac{5!}{6!} \)

\( \frac{1}{6} \)

A factorial is the product of an integer and all the positive integers below it. To solve a fraction featuring factorials, expand the factorials and cancel out like numbers:

\( \frac{5!}{6!} \)
\( \frac{5 \times 4 \times 3 \times 2 \times 1}{6 \times 5 \times 4 \times 3 \times 2 \times 1} \)
\( \frac{1}{6} \)
\( \frac{1}{6} \)

Mechanical Comprehension
0.3 If this lever is in equilibrium with an effort force of 10.0 ft. lb. at the blue arrow and a resistance force of 3 ft. lb. at the green box, what is its mechanical advantage?
0.3

Mechanical advantage (MA) is the ratio by which effort force relates to resistance force. If both forces are known, calculating MA is simply a matter of dividing resistance force by effort force:

MA = \( \frac{F_r}{F_e} \) = \( \frac{3 ft.}{10.0 ft.} \) = 0.3

In this case, the mechanical advantage is less than one meaning that each unit of effort force results in just 0.3 units of resistance force. However, a third class lever like this isn't designed to multiply force like a first class lever. A third class lever is designed to multiply distance and speed at the resistance by sacrificing force at the resistance. Different lever styles have different purposes and multiply forces in different ways.

Math Knowledge

Solve for c:
9c - 9 < \( \frac{c}{5} \)

c < 1\(\frac{1}{44}\)

To solve this equation, repeatedly do the same thing to both sides of the equation until the variable is isolated on one side of the < sign and the answer on the other.

9c - 9 < \( \frac{c}{5} \)
5 x (9c - 9) < c
(5 x 9c) + (5 x -9) < c
45c - 45 < c
45c - 45 - c < 0
45c - c < 45
44c < 45
c < \( \frac{45}{44} \)
c < 1\(\frac{1}{44}\)

Math Knowledge

A coordinate grid is composed of which of the following?

all of these

The coordinate grid is composed of a horizontal x-axis and a vertical y-axis. The center of the grid, where the x-axis and y-axis meet, is called the origin.