Free ASVAB Practice Tests

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Sample Practice Test Questions

Shop Information

A welding rod provides:

the joining material for a weld

The joining material for a weld is called a welding or filler rod and is available in a variety of diameters and alloys for different welding tasks.

Automotive Information

Which of the following is the result of the air-fuel mixture exploding instead of burning?

detonation

Normal combustion in an engine is initiated by a spark plug and results in the complete burning of the air-fuel mixture. If combustion is initiated by a source other than the spark plug, by a hot spot in the cylinder or combustion chamber for example, pre-ignition results. Detonation results if the air-fuel mixture explodes instead of burning. Detonation can cause extremes in pressure in the combustion chamber leading to engine damage.

Electronics Information

An amplifier is most similar in function to which of the following:

step-up transformer

An amplifier is a device that takes a small input signal and creates a larger output signal. This makes it most similar to a step-up transformer which takes a smaller input voltage and creates a larger output voltage.

Mechanical Comprehension

The steering wheel of a car is an example of which type of simple machine?

wheel and axle

A wheel and axle uses two different diameter wheels mounted to a connecting axle. Force is applied to the larger wheel and large movements of this wheel result in small movements in the smaller wheel. Because a larger movement distance is being translated to a smaller distance, force is increased with a mechanical advantage equal to the ratio of the diameters of the wheels. An example of a wheel and axle is the steering wheel of a car.

Math Knowledge
20

The dimensions of this cube are height (h) = 5, length (l) = 1, and width (w) = 4. What is the volume?

20

The volume of a cube is height x length x width:

v = h x l x w
v = 5 x 1 x 4
v = 20

Shop Information

Which of the following is used in metal work for shaping metal?

ball peen hammer

Ball peen hammers are most commonly used in automotive repair. They have rounded heads and are used to drive punches and chisels.

General Science

When compared to eukaryotic cells, prokaryotic cells are:

less complex

Cells are classified into one of two groups based on whether or not they have a nucleus. Eukaryotic cells have a nucleus, prokaryotic cells do not have a nucleus and therefore have a less complex structure than eukaryotic cells.

Word Knowledge
The school decided to take corrective measures to prevent truancy.
remedial
Intended to correct.
Shop Information
chisels

These tools are called:

chisels

Wood chisels are used to shape or smooth wood surfaces. They come in a variety of widths and can be used with hand power or tapped with a mallet when deeper cuts need to be made.

Word Knowledge
Camaraderie most nearly means:
sociability
Spirit of friendship.