Free ASVAB Practice Tests

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Sample Practice Test Questions

General Science

In the metric system, what prefix represents 103?

kilo

Kilo is the metric system prefix for 103.

Electronics Information

Alternating current changes __________ many times each second.

direction

In contrast to the constant one-way flow of direct current, alternating current changes direction many times each second. Electricity is delivered from power stations to customers as AC because it provides a more efficient way to transport electricity over long distances.

Shop Information

Which type of screwdriver has a x-shaped indentation on the head?

phillips

Screwdrivers come in many different handle, shaft, and tip configurations for use in a wide variety of applications. Screwdrivers are classified by their tip which is shaped to fit a corresponding screw head. Common tips are slotted (flat) and Phillips (x-shaped).

Word Knowledge
Jade placed the fragile vase out of reach of her rambunctious boys.
frail
Delicate.
Word Knowledge
The accountant advised Justine not to report her incidental expenses.
petty
Minor.
Automotive Information

Which of the following is not a function of the oil pan?

cools engine oil

The oil pan contains the engine oil reservoir of from four to six quarts of oil and feeds the oil pump through the oil pickup tube. An oil strainer floats at the top of the oil in the oil pan and screens debris from the oil before feeding it to the oil pump.

Word Knowledge
Rashid made the untenable statement that George Washington was the second president of the United States.
baseless
Not able to be defended.
Word Knowledge
Fickle most nearly means:
erratic
Lacking constancy, changeable.
General Science

Earth's breathable air is held in which atmospheric layer?

troposphere

The Earth's atmosphere has several layers starting with the troposphere which is closest in proximity to the surface. Containing most of the Earth's breathable air (oxygen and nitrogen), it's a region with warmer temperatures closer to the surface and cooler temperatures farther away which results in the rising and falling air that generates weather.

General Science

DNA is encoded through a combination of which of the following?

nucleotides

Deoxyribonucleic acid (DNA) is the molecule that contains genetic information. DNA is encoded through a combination of nucleotides that bind together in a specific double helix pattern.