Comprehensive ASVAB Study Notes and BSEP Vocabulary Guide

General Science Principles

• Astronomy and Space Science

  • Uranus is the planet named after the Greek god who personified the sky.
  • Jupiter is recognized as the largest planet in our solar system.
  • Venus is the brightest object in the sky, excluding the sun and the moon.
  • The asteroid belt is situated between the orbits of Mars and Jupiter.
  • One light-year is defined as the distance light travels in one standard Earth year.
  • The atmosphere of Mars is predominantly composed of carbon dioxide ($CO_{2}$).
  • Aside from the sun, the star closest to Earth is Proxima Centauri.
  • Four planets in the solar system are known to have ring systems.

• Biology and Life Sciences

  • Dietary Classifications: Animals that consume only meat are termed carnivores.
  • Human Systems: The intestines are a component of the digestive system.
  • Skeletal Joints: Joints that hold bones firmly together are known as fixed joints.
  • Biological Classification: The broadest level of classification for living organisms (among those listed) is the kingdom.
  • Human Cardiac Anatomy: The human heart consists of four chambers.
  • Hematology: White blood cells are responsible for fighting infections and producing antibodies.
  • Cellular Biology: The "control center" of a cell is the nucleus.
  • Osmosis: This process is defined as the diffusion of water across a semipermeable membrane.
  • Nutrition: Apples are a food source where measurable amounts of protein are generally absent, unlike eggs, meat, and peas.

• Physical Sciences and Chemistry

  • Oxidation: A chemical process where electrons are removed from a molecule.
  • Quantum Physics: A single unit of quanta is referred to as a quantum.
  • Speed of Light: Light waves travel at an approximate velocity of $186,000\,\text{miles per second}$.
  • Atomic Structure: Electrons are subatomic particles that carry a negative charge. The atomic number of an atom is determined by its number of protons.
  • Physical States: The melting point is the temperature at which a substance's solid and liquid states exist in equilibrium.
  • Earth's Crust: Oxygen is the most abundant element by mass in the Earth's crust.
  • Metric Measurement: One meter is equivalent to $100\,\text{centimeters}$.

Arithmetic Reasoning and Problem Solving

• Calculations and Financial Math

  • Towing Costs: A $12\text{-mile}$ tow at $\$3.50\,\text{per mile}$ costs $\$42.00$. Calculation: $12 \times 3.50 = 42$.
  • Tip Calculations: A $12\%$ tip on $\$375$ of food equals $\$45$. Calculation: $375 \times 0.12 = 45$.
  • Percentages and Admissions: To pass a test by getting $40$ out of $60$ questions correct, a student needs a score of $66\frac{2}{3}\%$. Calculation: $\frac{40}{60} = 0.666...$
  • Interest: A $\$3,000$ fund at $6\%$ annual interest yields $\$3,180$ after one year. Calculation: $3,000 + (3,000 \times 0.06) = 3,180$.
  • Profit Thresholds: To find the number of units to sell for profit ($x$), use: $(0.30 - 0.18)x > \text{Overhead}$. For a $\$6,000$ overhead, $0.12x = 6,000$, so $x = 50,000$ cards.

• Time, Distance, and Rates

  • Average Speed: A car traveling $240\,\text{miles}$ in $4\,\text{hours}$ has an average speed of $60\,\text{mph}$. Calculation: $\frac{240}{4} = 60$.
  • Distance: Walking at $5\,\text{km/h}$ for $3\,\text{hours}$ results in a distance of $15\,\text{km}$.
  • Pacing: A guard walking $6\,\text{blocks}$ at a rate of $8\,\text{blocks per 30 minutes}$ takes $22.5\,\text{minutes}$. Calculation: $\frac{30}{8} \times 6 = 22.5$.

• Geometry and Measurements

  • Area of a Room: A $12\text{-foot} \times 12\text{-foot}$ room requires $144\,\text{square feet}$ of carpet.
  • Unit Conversion for Area: To calculate the cost for a $16\text{-foot} \times 18\text{-foot}$ carpet at $\$0.65\,\text{per square yard}$, first find the area in square yards. $\frac{16 \times 18}{9} = 32\,\text{square yards}$. Total cost: $32 \times 0.65 = \$20.80$.
  • Volume: A crate measuring $16\text{-inches} \times 8\text{-inches} \times 18\text{-inches}$ has a volume of $2,304\,\text{cubic inches}$.

Mathematics Knowledge and Algebraic Formulas

• Powers, Roots, and Factoring

  • Cube of $5$ is $125$ ($5 \times 5 \times 5$).
  • The fourth root of $16$ is $2$ ($2^{4} = 16$).
  • Order of Operations (Factorials): $5! = 5 \times 4 \times 3 \times 2 \times 1 = 120$. $4! = 4 \times 3 \times 2 \times 1 = 24$.
  • Exponent Rules: $x^{3} \times x = x^{4}$. $(x^{3})^{3} = x^{9}$. $(y^{2})^{3} = y^{6}$.
  • Polynomial Expansion: $(x+4)(x+2) = x^{2} + 6x + 8$.

• Geometry Formulas

  • Circumference of a Circle: $C = 2 \times \pi \times r$. For a radius of $12\,\text{feet}$, $C \approx 75\,\text{feet}$.
  • Area of a Circle: $A = \pi \times r^{2}$. For a radius of $5\,\text{inches}$, $A \approx 78.5\,\text{square inches}$.
  • Volume of a Cylinder: $V = \pi \times r^{2} \times h$. For a radius of $3\,\text{inches}$ and height of $5\,\text{inches}$, $V \approx 141\,\text{cubic inches}$.
  • Trapezoid Angles: The sum of the measures of the angles of a trapezoid is exactly $360\,\text{degrees}$.

• Statistics and Numbers

  • Mode: The mode is the most frequent number in a series. In the set $4, 4, 8, 8, 8, 10, 10, 12, 12$, the mode is $8$.
  • Prime Numbers: A prime number is only divisible by $1$ and itself. Examples include $3$ and $11$.

Word Knowledge and BSEP Vocabulary Repository

• Core ASVAB Vocabulary

  • Apex: Top, summit.
  • Assimilate: Absorb, incorporate.
  • Brittle: Fragile, easily broken.
  • Datum: Fact, a single piece of information.
  • Proficient: Adept, skilled.
  • Imposed: Levied, forced upon.
  • Galore: Abundant, in great numbers.
  • Headlong: Recklessly, headfirst.
  • Frugal: Economical, thrifty.
  • Stimulate: The opposite is arrest or inhibit.
  • Licit: Lawful, legal.
  • Tacit: Understood without being spoken, implied.
  • Succulent: Juicy.

• BSEP Extensive Word List

  • Abashed: Embarrassed, humiliated.
  • Abhor: Detest, loathe, despise.
  • Abrupt: Sudden, hurried.
  • Abstemious: Self-governed, abstinent.
  • Abyss: Empty space, hole.
  • Adage: Proverb, saying, aphorism.
  • Admonition: Advice, warning.
  • Affluent: Wealthy, rich.
  • Agile: Nimble, graceful.
  • Alleviate: Assuage, calm, ease.
  • Antipathy: Strong dislike, disgust.
  • Antiquated: Outmoded, obsolete.
  • Atoll: Coral reef, island.
  • Belligerent: Quarrelsome, combative.
  • Benevolent: Good, kind.
  • Canny: Shrewd, astute.
  • Charlatan: Imposter, fake.
  • Chide: Scold, criticize.
  • Concur: Agree, coincide.
  • Cynical: Negative, mistrustful.
  • Decipher: Decode, translate, solve.
  • Destitution: Poverty.
  • Enigma: Riddle, mystery.
  • Extol: Praise, glorify.
  • Fiasco: Disaster.
  • Foment: Instigate, provoke.
  • Guile: Sly, tricky, cunning.
  • Incorrigible: Tenacious, strong-willed.
  • Meager: Scanty, inadequate.
  • Onerous: Strenuous, difficult.
  • Pallid: Sickly, pale, wan.
  • Repugnant: Obnoxious, loathsome.
  • Sanguine: Hopeful, optimistic.
  • Terse: Concise, to the point.
  • Vex: Bother, provoke.
  • Zeal: Fervor, passion.

Paragraph Comprehension and Analytical Reading

• Time Management: Controlling appointments is essential for personal time management. It involves listing all obligations in a diary and ruthlessly eliminating unnecessary tasks or delegating them to subordinates to save time.
• US Congress Structure: Consists of $100\,\text{senators}$ ($2\,\text{per state}$, $6\text{-year terms}$) and $435\,\text{representatives}$ (based on population, minimum $1\,\text{per state}$, $2\text{-year terms}$).
• Privatization: A process where the government divests itself of assets and relies on the private sector for services. The government may specify requirements but has no control over the actual operations of the activity.
• Conference Leadership: The success of a conference depends on the leader's zest and enthusiasm. Leaders must make attendees feel the meeting belongs to them and is dependent on their participation.
• Cloud Seeding: This involves dropping dry ice (solid $CO_{2}$) from planes onto super-cooled clouds to encourage water condensation, resulting in rain or snow.
• Legal Due Process: Guaranteed by the $5^{\text{th}}$ Amendment for federal law and applied to states via the $14^{\text{th}}$ Amendment, ensuring fairness in the administration of justice.

Electronics Information

• Fundamental Laws and Definitions

  • Ohm's Law: $\text{Voltage} = \text{Current} \times \text{Resistance}$ ($V = I \times R$).
  • Voltage: Also defined as electrical potential difference.
  • Current: The presence and flow of electrons.
  • Rectification: The process of changing Alternating Current (AC) to Direct Current (DC). This is performed by a diode.

• Components and Units

  • Resistors: Components made of carbon or other materials that inhibit current flow.
  • Resistor Color Codes: A resistor with bands of Brown (1), Black (0), and Red (multiplier $10^{2}$ or $100$) has a value of $1,000\,\text{ohms}$.
  • Capacitors: Used for capacitance.
  • BTU (British Thermal Unit): A standard measure of energy; a $5,000\,\text{BTU}$ unit can cool a room up to $150\,\text{square feet}$.
  • Fuses: Safety devices where using a higher-than-required rating may cause the circuit to not work properly or create a hazard.
  • Radar Frequencies: Can operate as high as $100,000\,\text{MHz}$.

Automotive, Shop, and Mechanical Systems

• Automotive Mechanics

  • Alternator: Converts mechanical energy into electrical energy.
  • Piston Rings: Primary purpose is to seal the combustion chamber and allow movement.
  • Differential: Component allowing wheels to turn at different speeds during cornering.
  • Two-Stroke Engines: Commonly found in snowmobiles, chainsaws, and some motorcycles.
  • Overheating: Can cause burned bearings, enlarged pistons, and melted parts, but does not improve fuel efficiency.
  • Ignition Systems: Electronic ignitions are superior because they require lower voltage to provide a higher voltage for the spark.

• Shop Practices and Tools

  • Ripsaw: Designed to cut with the grain of the wood.
  • Coping Saw: Used for cutting intricate shapes in wood.
  • Level: The best tool for checking horizontal trueness.
  • Plumb Bob: Used for vertical alignment.
  • Belt Sander: Best used for finishing wood surfaces.

• Mechanical Comprehension

  • Gear Ratios: If Gear 1 has $25\,\text{teeth}$ and Gear 2 has $15\,\text{teeth}$, for every $10\,\text{revolutions}$ of Gear 1, Gear 2 makes approximately $16.6$
  • revolutions. Calculation: $\frac{25}{15} \times 10 = 16.66$
  • Fluid Pressure: Water weighs approximately $62.5\,\text{lb/ft}^{3}$. The pressure at the bottom of a tank depends on the depth ($h$) of the water.
  • Block-and-Tackle: A system of pulleys used to gain mechanical advantage for lifting loads.
  • Levers: Moving the fulcrum closer to the load (anvil) makes the load easier to lift but reduces the height it can be moved.