Free Coast Guard ASVAB Practice Test
The Coast Guard uses the same ASVAB as the other U.S. military branches, but your score goals are different. You need a qualifying AFQT for enlistment, and stronger subtest performance can open more Coast Guard rating and “A” School options.

Coast Guard ASVAB Practice Test
Arithmetic Reasoning · Rates and Division
A ground station receives 48 gigabytes of data over 6 equal communication passes. If each pass carries the same amount, how many gigabytes are received per pass?
Arithmetic Reasoning · Subtraction in Context
A satellite is planned for an orbit 350 km lower than an altitude of 35,786 km. What is the planned altitude?
Arithmetic Reasoning · Percentages
A training group has 240 practice problems. If 15% are electronics questions, how many electronics questions are there?
Arithmetic Reasoning · Ratios
Two teams divide 64 equipment checks in the ratio 3:5. How many checks does the larger team receive?
Arithmetic Reasoning · Distance Rate and Time
A vehicle travels 420 miles at an average speed of 60 miles per hour. How long does the trip take?
Arithmetic Reasoning · Simple Interest
A savings account earns simple interest at 5% per year. How much interest is earned on $1,200 in 2 years?
Arithmetic Reasoning · Work Rate
A four-person team inspects 96 panels in 6 hours at a steady combined rate. At the same rate, how many panels can the same team inspect in 9 hours?
Arithmetic Reasoning · Averages
Four practice scores are 72, 84, 90, and 86. What is the average score?
Word Knowledge · Synonyms
Vigilant most nearly means:
Word Knowledge · Synonyms
Mitigate most nearly means:
Word Knowledge · Vocabulary in Context
The technician gave a concise explanation of the fault. Concise most nearly means:
Word Knowledge · Synonyms
Obsolete most nearly means:
Word Knowledge · Vocabulary
Feasible most nearly means:
Word Knowledge · Synonyms
Corroborate most nearly means:
Word Knowledge · Vocabulary
Intermittent most nearly means:
Paragraph Comprehension · Main Idea
A satellite uses batteries when it passes through Earth's shadow. When sunlight returns, its solar arrays recharge the batteries. Careful power management prevents the batteries from being drained too deeply.
Paragraph Comprehension · Supporting Detail
Before installing a software patch, a cyber team tests it on a separate system. The test checks whether the patch closes the security weakness without disrupting essential services. Only then is it approved for wider deployment.
Paragraph Comprehension · Inference
A weather satellite measures cloud cover, temperature, and moisture over a large region. Forecasters combine those observations with other data when preparing forecasts.
Paragraph Comprehension · Purpose
During calibration, an optical sensor is aimed at a reference target whose brightness is already known. Engineers compare the sensor reading with the reference value and adjust the instrument if needed.
Paragraph Comprehension · Vocabulary in Context
A communication network uses redundant paths. If one link fails, traffic can be rerouted through another path so the connection can continue.
Paragraph Comprehension · Main Idea
Small pieces of debris in orbit can travel at very high relative speeds. Even a small object can damage a spacecraft if a collision occurs. Tracking debris helps operators plan maneuvers when a significant risk is identified.
Paragraph Comprehension · Supporting Detail
A student studies math for 30 minutes each morning and vocabulary for 20 minutes each evening. On Saturdays, the student reviews missed questions from the week.
Mathematics Knowledge · Linear Equations
Solve for x: 4x + 7 = 31.
Mathematics Knowledge · Exponents
What is 3² × 3³?
Mathematics Knowledge · Geometry
A rectangle is 9 units long and 5 units wide. What is its area?
Mathematics Knowledge · Pythagorean Theorem
A right triangle has legs of 6 and 8. What is the length of the hypotenuse?
Mathematics Knowledge · Factoring
Which expression is equivalent to x² + 7x + 12?
Mathematics Knowledge · Coordinate Geometry
What is the slope of the line through (2, 3) and (6, 11)?
Mathematics Knowledge · Probability
A bag contains 3 red, 2 blue, and 5 green markers. What is the probability of selecting a blue marker at random?
Mathematics Knowledge · Radicals
Simplify √144.
General Science · Physics
Which force pulls objects toward Earth?
General Science · Earth Science
Which gas makes up the largest portion of Earth's atmosphere?
General Science · Biology
Which cell structure contains most of a human cell's genetic material?
General Science · Chemistry
Why does adding salt to ice often help the ice melt at temperatures near freezing?
General Science · Physics and Space
A rocket accelerates upward because its engine pushes exhaust gases downward. Which principle best explains the paired forces?
General Science · Heat Transfer
Energy from the Sun reaches Earth mainly by:
General Science · Density
A metal sample has a mass of 120 g and a volume of 40 cm³. What is its density?
Electronics Information · Ohm's Law
A 24-volt source is connected across an 8-ohm resistor. What current flows?
Electronics Information · Series Circuits
Three resistors of 2 Ω, 5 Ω, and 7 Ω are connected in series. What is the total resistance?
Electronics Information · Parallel Circuits
In a parallel circuit, what electrical quantity is the same across branches connected to the same two nodes?
Electronics Information · Electrical Power
A 12-volt device draws 5 amperes. How much electrical power does it use?
Electronics Information · Components
Which component stores electric charge in an electric field?
Electronics Information · Semiconductors
What is a basic function of a diode?
Electronics Information · AC/DC
What does AC stand for?
Electronics Information · Circuit Protection
What is the main purpose of a fuse?
Electronics Information · Digital Communication
A digital link adds an extra check bit to each data unit so some transmission errors can be detected. What is the main purpose of the extra bit?
Auto Information · Charging System
What is the alternator's main job while a vehicle engine is running?
Auto Information · Brakes
In a typical disc brake, which part rotates with the wheel?
Auto Information · Drivetrain
What is the main purpose of a differential?
Shop Information · Hole Making
Before drilling smooth metal, which tool is commonly used to make a small starting indentation?
Shop Information · Wrenches
Which wrench has a closed ring-shaped end that surrounds a nut or bolt head?
Shop Information · Measurement
Which tool is best for a very precise measurement of the outside diameter of a small metal shaft?
Mechanical Comprehension · Gears
Gear A turns clockwise and meshes with Gear B, which meshes with Gear C. In which direction does Gear C turn?
Mechanical Comprehension · Levers
In the ideal lever shown, a 40-pound load is 1 foot from the fulcrum and the effort is applied 4 feet from the fulcrum. About how much effort is needed to balance the load?
Mechanical Comprehension · Hydraulics
In an ideal hydraulic system, pressure applied to a confined fluid is transmitted:
Mechanical Comprehension · Center of Gravity
If a crane extends a heavy load farther away from its base without adding a counterweight, what generally happens to the system's center of gravity?
Assembling Objects · Part Assembly
Two congruent right triangles are joined along their marked longest edges. Which overall shape can they form?
Assembling Objects · Part Assembly
The two semicircular pieces are joined along their straight marked edges. Which shape results?
Assembling Objects · Shape Rotation
Which option shows the same L-shaped figure after a 90° clockwise rotation?
Assembling Objects · Rotation Tracking
The diamond is rotated 180°. Where should the red dot appear?
Test Complete
These percentages and support counts are practice diagnostics only. They are not official AFQT percentiles, Space Force General scores, Electronics scores, or career qualification scores.
QUICK FACTS
Know the Score Targets Before You Start
A Coast Guard applicant should separate the enlistment goal from the career-qualification goal.
The first is AFQT eligibility. The second is building the subtest combinations used by the rating or training path you want.
32
Standard minimum AFQT
4
AFQT subjects: AR, MK, WK, PC
10
CAT-ASVAB subtests
No
Calculator allowed
TWO SCORE GOALS
AFQT Gets You In. Subtest Strength
Helps Shape Your Options.
Meeting the Coast Guard minimum is important, but it should not be the end of your plan.
Your individual ASVAB results can also affect which ratings or “A” Schools are available.
Build Enlistment Eligibility
Prioritize Arithmetic Reasoning, Mathematics Knowledge, Word Knowledge, and Paragraph Comprehension because these four subjects feed the AFQT.
Build Toward Your Rating
After the AFQT core becomes stable, give extra time to the technical or verbal subjects connected with the Coast Guard career path you want.
PRACTICE TEST
Coast Guard ASVAB Practice Test
The quiz will be added here as a separate WordPress Custom HTML block. The page around
it is already structured so the test can drop into this section without changing the rest of the design.
Practice Quiz Area
Use the test as a diagnostic, not as an official score.
After the quiz is added, use your result to check AFQT-core performance, technical strengths, and the subjects that need more work for your target Coast Guard rating.
Practice percentages are not official AFQT percentiles or Coast Guard qualification scores.
AEQT CORE
The Four Subjects That Matter Most
for Enlistment
If your first goal is reaching the Coast Guard enlistment minimum, these four
areas deserve the most attention.
Arithmetic Reasoning
Percentages, ratios, rates, proportions, averages, distance, time, money, and multi-step word problems.
Mathematics Knowledge
Algebra, equations, fractions, exponents, geometry, formulas, factoring, and high-school mathematics.
Word Knowledge
Vocabulary, synonyms, context clues, prefixes, suffixes, roots, and word meaning.
Paragraph Comprehension
Main idea, stated facts, supporting evidence, conclusions, and information inside short passages.
RATING QUALIFICATION
Why a Higher or More Balanced ASVAB
Can Matter
Different Coast Guard training paths can use different subtest combinations. That is why two
applicants with the same AFQT can still have different career options.
Maritime Enforcement Specialist (ME)
Verbal and arithmetic performance matters strongly for this path.
Published example: VE + AR = 100
Cyber Mission Specialist (CMS)
Cyber qualification can require strong verbal and arithmetic reasoning performance.
Published example: AR + VE = 110
Electronics Technician (ET)
Electronics, science, mathematics, and arithmetic can all become important for technical qualification.
Example: MK + EI + GS = 172 with AR 52, or AFQT 65
Information Systems Technician (IT)
Technical preparation should go beyond basic AFQT subjects if this type of rating is your goal.
Example: MK + EI + GS = 172 with AR 52, or AFQT 65
Rating and “A” School requirements can change. Confirm the current requirement for the exact career path you want before setting your final score target.
STUDY PRIORITY
Which Subjects Should Coast Guard
Applicants Study First?
Your best study order depends on whether you are still trying to qualify for
enlistment or already preparing for a specific career.
ENLISTMENT FIRST
Need to Raise Your AFQT?
Start with AR → MK → WK → PC. These four areas directly support AFQT qualification.
TECHNICAL PATH
Want Electronics or IT?
Give extra attention to MK, EI, GS, and AR after your AFQT foundation is stable.
STILL DECIDING
Not Sure Which Rating You Want?
Prepare across all 10 subtests so one weak technical area does not remove options before you choose a career.
TEST COVERAGE
What Is on the Coast Guard ASVAB?
The current CAT-ASVAB uses 10 named subtests. Auto Information and Shop Information
are tested separately on the computer, even though their results can be combined into the reported AS score.
General Science: physical and biological science.
Arithmetic Reasoning: arithmetic word problems.
Word Knowledge: vocabulary and word meaning.
Paragraph Comprehension: information from written passages.
Mathematics Knowledge: high-school mathematics.
Electronics Information: electricity and electronics.
Auto Information: automobile technology.
Shop Information: tools and shop practices.
Mechanical Comprehension: mechanical and physical principles.
Assembling Objects: spatial relationships and object assembly.
WHAT TO PRACTICE
Key Skills to Review in Every ASVAB Subject
Use this list when a practice result shows a weak area. Review the skill, practice a small set,
then retest it instead of immediately repeating a full exam.
CAT-ASVAB FORMAT
What to Expect on the Computer ASVAB
The computerized ASVAB is adaptive, which means the difficulty of later questions
can change with your performance. Each subtest also has its own time limit.
Practice Like the Real Test
- Work without a calculator.
- Build accuracy before adding speed.
- Expect separate subtest time limits.
- Do not treat one practice percentage as an official AFQT score.
About Test Length
The proctored CAT-ASVAB commonly takes about two hours on average, though actual testing time varies. Some official testing can also include unscored tryout questions.
The score shown by an online quiz is a practice diagnostic, not your official military test result.
STUDY METHOD
A Better Coast Guard ASVAB Study Cycle
Do not repeat full tests every day. Use each attempt to identify the next skill that needs work.
Build the AFQT Base
Strengthen AR, MK, WK, and PC until basic problems become consistent.
Add Rating-Focused Subjects
Once you know your Coast Guard career goal, move its most important technical or verbal subjects higher in your plan.
Add Time Pressure
When the material is familiar, use mixed timed sets and review every mistake before taking another test.
MISTAKE TRACKING
Turn Every Wrong Answer Into a Study Task
A missed question becomes useful when you know why you missed it.
SCORE INTERPRETATION
Do Not Treat a Practice Percentage
as Your Official ASVAB Score
An AFQT score is a percentile from 1 to 99, not simply the percentage of practice
questions you answered correctly. A 70% or 80% online score can be useful for
progress tracking, but it is not an official Coast Guard passing rule.
Important: Meeting the current minimum AFQT does not guarantee enlistment or qualification for every Coast Guard rating. Other eligibility rules and rating-specific score requirements can still apply.
AVOID THESE ERRORS
Common Coast Guard ASVAB
Preparation Mistakes
FAQs