ASVAB Practice Test: Video 5 Answers (24 Questions) — Questions and Answers

Question 1: Of 480 applicants, 5/8 pass the physical test. Of those who pass, 1/3 advance to the next stage. How many applicants advance?

100 (Correct answer)
90
120
160

Correct answer: 100

480 × 5/8 = 300 pass the physical; 300 × 1/3 = 100 advance to the next stage.

Question 2: Will has been working on a report for 4 hours each day, 7 days a week for 2 weeks. How many minutes has Will worked on his report?

24 tokens (Correct answer)
14 tokens
29 tokens
34 tokens

Correct answer: 24 tokens

If Will has worked 4 hours per day for 7 days per week, he has worked 4(7) = 28 hours per week. He did this for 2 weeks, so he has worked 28(2) = 56 hours in the 2 weeks. Multiply by 60 to convert this to minutes. 56(60) = 3,360 minutes.\r\n

Question 3: A platoon of 40 soldiers must complete a 10-mile march. If 25% fall out before finishing, how many soldiers complete the march?

32
25
28
30 (Correct answer)

Correct answer: 30

25% of 40 = 10 soldiers fall out; 40 − 10 = 30 soldiers finish.

Question 4: A recruit earns $2,400 per month. He saves 15% and spends 30% on rent. How much money does he have left after savings and rent?

$1,080
$1,320 (Correct answer)
$960
$1,200

Correct answer: $1,320

Savings = $360; rent = $720; total spent = $1,080; $2,400 − $1,080 = $1,320.

Question 5: With what number must 3.475817 be multiplied in order to obtain the number 34,758.17?

100,000
10,000 (Correct answer)
100
1,000

Correct answer: 10,000

To transform 3.475817 into 34,758.17, the decimal point needs to be moved four places to the right. Each shift of the decimal point one place to the right corresponds to multiplying by 10. Therefore, moving it four places to the right means multiplying by 10 x 10 x 10 x 10, which equals 10,000.

Question 6: Which gas makes up approximately 78% of Earth's atmosphere?

Argon
Oxygen
Nitrogen (Correct answer)
Carbon dioxide

Correct answer: Nitrogen

Nitrogen (N₂) comprises about 78% of Earth's atmosphere, with oxygen making up most of the remainder.

Question 7: What is the term for the variety of species living within a particular region or ecosystem?

Genetic diversity
Abundance
Biodiversity (Correct answer)
Biomass

Correct answer: Biodiversity

Biodiversity refers to the variety of species, genes, and ecosystems within a given area.

Question 8: What is the smallest unit of an element that retains the chemical properties of that element?

Proton
Molecule
Atom (Correct answer)
Electron

Correct answer: Atom

An atom is the smallest particle of an element that still has the chemical characteristics of that element.

Question 9: What is the process by which water vapor cools and turns into liquid water?

Precipitation
Condensation (Correct answer)
Sublimation
Evaporation

Correct answer: Condensation

Condensation occurs when water vapor loses heat energy and transitions back into liquid water, as seen on a cold glass.

Question 10: Which subatomic particle has a negative charge?

Proton
Neutron
Electron (Correct answer)
Positron

Correct answer: Electron

Electrons carry a negative charge and orbit the nucleus of an atom in energy shells.

Question 11: Which of the following is an example of a third-class lever?

Crowbar
Fishing rod (effort between fulcrum and load) (Correct answer)
Seesaw
Wheelbarrow

Correct answer: Fishing rod (effort between fulcrum and load)

In a third-class lever, the effort is applied between the fulcrum and the load, as in a fishing rod or tweezers.

Question 12: Two meshed spur gears have 12 teeth and 48 teeth respectively. If the small gear turns at 400 RPM, how fast does the large gear turn?

200 RPM
100 RPM (Correct answer)
50 RPM
25 RPM

Correct answer: 100 RPM

Gear ratio = 12/48 = 1/4, so large gear speed = 400 × (12/48) = 100 RPM.

Question 13: Which simple machine is essentially an inclined plane wrapped around a cylinder?

Wedge
Lever
Screw (Correct answer)
Pulley

Correct answer: Screw

A screw is an inclined plane (ramp) wound helically around a cylindrical shaft.

Question 14: A block on a frictionless inclined plane set at 30° will accelerate down the slope at approximately:

9.8 m/s²
4.9 m/s² (Correct answer)
8.5 m/s²
2.8 m/s²

Correct answer: 4.9 m/s²

Acceleration along a frictionless incline = g × sin(30°) = 9.8 × 0.5 = 4.9 m/s².

Question 15: When torque increases, speed

decreases (Correct answer)
increases
increases, then decreases
remains the same

Correct answer: decreases

Torque is a rotational force, while speed refers to the rate of rotation or linear motion. In many mechanical systems, especially those involving power transmission, there is an inverse relationship between torque and speed for a given power output. If the power remains constant, increasing the torque applied will result in a decrease in the rotational speed, and vice versa.

Question 16: What is the greatest common factor (GCF) of 36 and 48?

6
12 (Correct answer)
9
24

Correct answer: 12

Factors of 36: 1,2,3,4,6,9,12,18,36; factors of 48 include 12; GCF = 12.

Question 17: A rectangle is cut in half to create two squares that each have an area of 25. What is the perimeter of the original rectangle?

25
35
20
30 (Correct answer)

Correct answer: 30

If each square has an area of 25, then the side length of each square is √25 = 5. When a rectangle is cut in half to form two squares, it means the rectangle's width is equal to the side of a square (5), and its length is twice the side of a square (5 + 5 = 10). Therefore, the original rectangle has dimensions of 5 by 10. The perimeter is 2 * (length + width) = 2 * (10 + 5) = 2 * 15 = 30.

Question 18: What is the least common multiple (LCM) of 6 and 8?

16
48
12
24 (Correct answer)

Correct answer: 24

Multiples of 6: 6,12,18,24; multiples of 8: 8,16,24 — LCM = 24.

Question 19: Which of the following is a prime number?

37 (Correct answer)
27
51
49

Correct answer: 37

37 is divisible only by 1 and itself; 51=3×17, 49=7×7, 27=3³.

Question 20: When two capacitors are connected in series, the total capacitance is:

Greater than either capacitor
Equal to the sum of both
Equal to the largest capacitor
Less than the smallest capacitor (Correct answer)

Correct answer: Less than the smallest capacitor

Series capacitors combine like parallel resistors: 1/Ct = 1/C1 + 1/C2, yielding a smaller total.

Question 21: Which material is considered a semiconductor?

Copper
Silver
Rubber
Silicon (Correct answer)

Correct answer: Silicon

Silicon is a classic semiconductor used in transistors, diodes, and integrated circuits.

Question 22: What does the term 'frequency' refer to in AC circuits?

The phase difference between voltage and current
The number of complete cycles per second (Correct answer)
The peak voltage value
The time for one cycle

Correct answer: The number of complete cycles per second

Frequency is measured in hertz (Hz) and indicates how many complete cycles occur each second.

Question 23: In electrical wiring, what does AWG stand for?

Alternating Wire Gauge
American Wire Gauge (Correct answer)
Applied Wiring Guide
Ampere Wire Grade

Correct answer: American Wire Gauge

AWG stands for American Wire Gauge, a standardized system for wire diameter sizes.

Question 24: What is the primary purpose of a fuse in an electrical circuit?

Store energy
Increase current flow
Regulate voltage
Protect against overcurrent (Correct answer)

Correct answer: Protect against overcurrent

A fuse melts and opens the circuit when current exceeds a safe level, protecting components.

ASVAB Practice Test: Video 5 Answers (24 Questions)

Of 480 applicants, 5/8 pass the physical test.
Of those who pass, 1/3 advance to the next stage.
How many applicants advance?

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These practice questions were written with AI tools. They are not real exam questions. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

officialasvab.com — Score release, exam format, score validity, retake policy, passing score, test delivery, eligibility, exam information · verified Nov 2026
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