Free ASVAB Practice Tests

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Sample Practice Test Questions

Electronics Information
series circuit

This circuit diagram represents a(n):

series circuit

A series circuit has only one path for current to flow. In a series circuit, current (I) is the same throughout the circuit and is equal to the total voltage (V) applied to the circuit divided by the total resistance (R) of the loads in the circuit. The sum of the voltage drops across each resistor in the circuit will equal the total voltage applied to the circuit.

Electronics Information

Which of the following allows current to pass easily in one direction and blocks current in the other direction?

diode

A diode allows current to pass easily in one direction and blocks current in the other direction. Diodes are commonly used for rectification which is the conversion of alternating current (AC) into direct current (DC). Because a diode only allows current flow in one direction, it will pass either the upper or lower half of AC waves (half-wave rectification) creating pulsating DC. Multiple diodes can be connected together to utilize both halves of the AC signal in full-wave rectification.

Word Knowledge
The impenitent criminal received a harsh penalty, but his remorseful accomplice was released.
obdurate
Lacking remorse.
Math Knowledge

If b = 9 and y = 8, what is the value of 2b(b - y)?

18

To solve this equation, replace the variables with the values given and then solve the now variable-free equation. (Remember order of operations, PEMDAS, Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)

2b(b - y)
2(9)(9 - 8)
2(9)(1)
(18)(1)
18

Word Knowledge
The accountant advised Justine not to report her incidental expenses.
petty
Minor.
General Science

Tertiary consumers eat which of the following?

primary and secondary consumers

Tertiary consumers eat primary consumers and secondary consumers and are typically carnivorous predators. Tertiary consumers may also be omnivores. Examples include wolves, sharks, and human beings.

Word Knowledge
Frank, who was wounded by Sally's remark, made a bitter recrimination.
counterclaim
A retaliatory accusation.
General Science

Changes to an object's speed or direction of motion are caused by which of the following?

a force

Force is applied to change an object's speed or direction of motion.

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

Which of the following states of matter exists at the highest temperature?

gas

Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.