Free ASVAB Practice Tests

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Sample Practice Test Questions

Electronics Information

Which of the following is a characteristic of batteries connected in parallel?

total current equals the sum of the individual battery currents

You can multiply the voltage or the current supplied by individual batteries by connecting them together either in series or in parallel. The characteristics of batteries connected in parallel are that total voltage equals the average of the individual battery voltages, total current equals the sum of the individual battery currents, the positive terminal of one battery is connected to the positive terminal of the next, the negative terminal of one battery is connected to the negative terminal of the next, and two connections are made between each adjacent battery.

General Science

Gametes have how many pairs of chromosomes?

23

Reproductive (haploid) cells known as gametes have half as many (23) pairs of chromosomes as normal (diploid) cells. When the male gamete (sperm) combines with the female gamete (ovum) through meiosis to form a zygote, each gamete supplies half the chromosomes needed to form the normal diploid cells.

Word Knowledge
Colossal most nearly means:
gigantic
Immense, enormous.
Automotive Information

The vehicle's computer system gets data from:

sensors

Sensors provide the data necessary for the vehicle's computer to make decisions and monitor everything from simple vehicle information like tire pressure to complexities like the chemical content of an engine's exhaust.

Word Knowledge
Her excellent lecture illuminated the complicated subject of nuclear physics.
elucidate
To make clear.
Word Knowledge
Darren dreaded carpooling with the egotist Shelly, who talked about herself nonstop.
blowhard
Self–important person.
Word Knowledge
Onset most nearly means:
start
Beginning.
Mechanical Comprehension

Lisa lifts a 25 pound box from the floor onto a loading dock 4 ft. off the ground. Sam slides the same box along a ramp to move it up another 4 ft. onto a flatbed truck. Who has done more work?

They have done an equal amount of work

Work is force multiplied by distance. Because both Connie and Sam moved the same weight the same distance they have done an equal amount of work. Sam employed the mechnacial advantage of an inclined plane so he exerted less effort to do the work but the amount of work done was still the same.

Word Knowledge
The soldiers cherished the kindly Nurse Nightingale for her pathos.
compassion
Sympathetic pity.
Electronics Information

Which of the following can conduct electricity under some conditions but not others?

semiconductor

Semiconductors have valence shells that are exacly half full and can conduct electricity under some conditions but not others. This property makes them useful for the control of electrical current.