Free ASVAB Practice Tests

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Sample Practice Test Questions

General Science

A __________ is the smallest multi-atom particle of an element or compound that can exist and still retain the characteristics of the element or compound. 

molecule

A molecule is the smallest multi-atom particle of an element or compound that can exist and still retain the characteristics of the element or compound. The molecules of elements consist of two or more similar atoms, the molecules of compounds consist of two or more different atoms.

Mechanical Comprehension
How much resistance could a 190 lb. effort force lift using a block and tackle pulley that has 8 ropes supporting the resistance?
1520 lbs.

The mechanical advantage (MA) of a block and tackle pulley is equal to the number of times the effort force changes direction. An easy way to count how many times the effort force changes direction is to count the number of ropes that support the resistance which, in this problem, is 8. With a MA of 8, a 190 lbs. effort force could lift 190 lbs. x 8 = 1520 lbs. resistance.

Word Knowledge
Obnoxious most nearly means:
objectionable
Highly offensive.
General Science

The Rh factor antigen in blood determines:

postive or negative

Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.

Word Knowledge
The meticulous detective found every shred of evidence at the crime scene.
fastidious
Extrememly careful regarding details.
Automotive Information

Another name for the powertrain control module is the __________ control unit.

engine

The main computer or powertrain control module (PCM) uses pre-programmed software to analyze the input received from sensors and produce output signals to adjust vehicle performance and operation. (Engine control unit (ECU) is another name for the PCM.)

Word Knowledge
Cunning most nearly means:
crafty
Showing clever insight.
Word Knowledge
Simone, an expert in African sculpture, was asked to appraise the ambassador's collection of masks.
assess
To evaluate the worth of.
General Science

Convert 0C° to F°.

32

To convert from C° to F° use:

\(F° = {9 \over 5}C° + 32\)

\(F° = {9 \over 5}(0) + 32\)

\(F° = 0 + 32 = 32\)

 

Math Knowledge

On this circle, a line segment connecting point A to point D is called:

chord

A circle is a figure in which each point around its perimeter is an equal distance from the center. The radius of a circle is the distance between the center and any point along its perimeter. A chord is a line segment that connects any two points along its perimeter. The diameter of a circle is the length of a chord that passes through the center of the circle and equals twice the circle's radius (2r).