Free ASVAB Practice Tests

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Sample Practice Test Questions

Word Knowledge
Beneficial most nearly means:
advantageous
Helpful.
Electronics Information

The farad is a unit of measurement for:

capacitance

Capacitors store electricity and are used in circuits as temporary batteries. Capacitors are charged by DC current (AC current passes through a capacitor) and that stored charge can later be dissipated into the circuit as needed. Capacitors are often used to maintain power within a system when it is disconnected from its primary power source or to smooth out or filter voltage within a circuit.

Mechanical Comprehension

Connected gears of different numbers of teeth are used together to change which of the following charasteristics of the input force?

torque

Connected gears of different numbers of teeth are used together to change the rotational speed and torque of the input force. If the smaller gear drives the larger gear, the speed of rotation will be reduced and the torque will increase. If the larger gear drives the smaller gear, the speed of rotation will increase and the torque will be reduced.

Word Knowledge
Gravity most nearly means:
seriousness
Importance, significance.
Word Knowledge
The longer Jorge waited in line at the ticket counter, the more his exasperation grew.
irritation
The state of being irritated.
Arithmetic Reasoning

\({b + c \over a} = {b \over a} + {c \over a}\) defines which of the following?

distributive property for division

The distributive property for division helps in solving expressions like \({b + c \over a}\). It specifies that the result of dividing a fraction with multiple terms in the numerator and one term in the denominator can be obtained by dividing each term individually and then totaling the results: \({b + c \over a} = {b \over a} + {c \over a}\). For example, \({a^3 + 6a^2 \over a^2} = {a^3 \over a^2} + {6a^2 \over a^2} = a + 6\).

Automotive Information

What is the large casing that contains the cylinders and many of the internal components of the engine?

engine block

The engine (or cylinder) block is the large casing that contains the cylinders and many of the internal components of the engine.

Word Knowledge
Prudent most nearly means:
judicious
Marked by wisdom, shrewd.
Automotive Information

Which engine component converts the reciprocating motion of the piston into the rotational motion that's used to power the vehicle and its components?

crankshaft

The crankshaft converts the reciprocating motion of the piston into the rotational motion that's used to power the vehicle and its components.

Word Knowledge
The boy's insolence to the policeman embarrassed his mother.
impudence
Boldness or rudeness.