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ASVAB practice test.

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Question 1 of 25 · Arithmetic reasoning

A truck travels 210 miles in 3.5 hours. What is its average speed?

  1. 50 mph
  2. 55 mph
  3. 60 mph
  4. 65 mph
Reveal answer and explanation

Correct answer: 60 mph

Average speed is distance divided by time: 210 ÷ 3.5 = 60 mph.

Question 2 of 25 · Word knowledge

Abate most nearly means:

  1. Increase
  2. Lessen
  3. Measure
  4. Predict
Reveal answer and explanation

Correct answer: Lessen

Abate means to become less intense or widespread.

Question 3 of 25 · Paragraph comprehension

A warehouse labels every shelf with an aisle number and item range. New shipments are placed only after the label is checked against the inventory record. Why are labels checked first?

  1. To reduce lighting costs
  2. To place items in the recorded location
  3. To count delivery vehicles
  4. To change item prices
Reveal answer and explanation

Correct answer: To place items in the recorded location

The passage connects checking the label with placing shipments according to the inventory record.

Question 4 of 25 · Mathematics knowledge

Solve for x: 5x - 7 = 18.

  1. 3
  2. 4
  3. 5
  4. 7
Reveal answer and explanation

Correct answer: 5

Add 7 to get 5x = 25, then divide by 5: x = 5.

Question 5 of 25 · General science

Which cell structure contains most genetic material?

  1. Cell membrane
  2. Nucleus
  3. Ribosome
  4. Vacuole
Reveal answer and explanation

Correct answer: Nucleus

In eukaryotic cells, most DNA is housed in the nucleus.

Question 6 of 25 · Electronics information

Electrical current is measured in:

  1. Volts
  2. Amperes
  3. Ohms
  4. Watts
Reveal answer and explanation

Correct answer: Amperes

The ampere is the unit of electric current.

Question 7 of 25 · Auto information

What is the main purpose of engine oil?

  1. Cool the passenger compartment
  2. Reduce friction between moving parts
  3. Increase tire pressure
  4. Charge the battery
Reveal answer and explanation

Correct answer: Reduce friction between moving parts

Engine oil lubricates moving parts and helps limit friction and wear.

Question 8 of 25 · Shop information

Which tool is best for checking whether a shelf is horizontal?

  1. Level
  2. Chisel
  3. Pliers
  4. Punch
Reveal answer and explanation

Correct answer: Level

A level indicates whether a surface is horizontal or vertical.

Question 9 of 25 · Mechanical comprehension

For the same applied force, a longer lever arm produces:

  1. Less torque
  2. More torque
  3. Less mass
  4. More friction only
Reveal answer and explanation

Correct answer: More torque

Torque equals force times perpendicular lever-arm distance.

Question 10 of 25 · Assembling objects

An arrow points north. After a 90° clockwise rotation, which direction does it point?

  1. West
  2. East
  3. South
  4. North
Reveal answer and explanation

Correct answer: East

A quarter-turn clockwise from north points east.

Question 11 of 25 · Arithmetic reasoning

A student saves 15% of a $240 paycheck. How much is saved?

  1. $24
  2. $30
  3. $36
  4. $40
Reveal answer and explanation

Correct answer: $36

Convert 15% to 0.15 and multiply: 0.15 × 240 = 36.

Question 12 of 25 · Word knowledge

Candid most nearly means:

  1. Honest
  2. Careless
  3. Secret
  4. Angry
Reveal answer and explanation

Correct answer: Honest

Candid means truthful and straightforward.

Question 13 of 25 · Paragraph comprehension

Desert temperatures can fall sharply after sunset because dry air and sparse cloud cover allow heat to escape quickly. What causes the rapid nighttime cooling?

  1. Heavy rainfall
  2. Dry air and few clouds
  3. Strong ocean currents
  4. Dense vegetation
Reveal answer and explanation

Correct answer: Dry air and few clouds

The passage directly identifies dry air and sparse cloud cover as the cause.

Question 14 of 25 · Mathematics knowledge

What is 3² × 3³?

  1. 3⁵
  2. 6⁵
  3. 9⁶
  4. 3⁶
Reveal answer and explanation

Correct answer: 3⁵

When multiplying powers with the same base, add exponents: 3² × 3³ = 3⁵.

Question 15 of 25 · General science

What process changes liquid water into water vapor?

  1. Condensation
  2. Freezing
  3. Evaporation
  4. Melting
Reveal answer and explanation

Correct answer: Evaporation

Evaporation is the change from liquid to gas at a liquid surface.

Question 16 of 25 · Electronics information

A 12-volt source drives 2 amperes through a resistor. What is the resistance?

  1. 4 ohms
  2. 6 ohms
  3. 10 ohms
  4. 24 ohms
Reveal answer and explanation

Correct answer: 6 ohms

Using R = V ÷ I, resistance is 12 ÷ 2 = 6 ohms.

Question 17 of 25 · Auto information

Which system slows a vehicle by applying friction at the wheels?

  1. Cooling system
  2. Brake system
  3. Fuel system
  4. Exhaust system
Reveal answer and explanation

Correct answer: Brake system

The brake system converts vehicle motion into heat through friction.

Question 18 of 25 · Shop information

Safety glasses are primarily worn to protect the:

  1. Hands
  2. Eyes
  3. Hearing
  4. Feet
Reveal answer and explanation

Correct answer: Eyes

Safety glasses shield the eyes from chips, dust, and splashes.

Question 19 of 25 · Mechanical comprehension

When a small gear drives a larger gear, the larger gear generally turns:

  1. Faster with less torque
  2. Slower with more torque
  3. At the same speed
  4. Without changing direction
Reveal answer and explanation

Correct answer: Slower with more torque

The larger driven gear trades rotational speed for increased torque.

Question 20 of 25 · Assembling objects

A square sheet is folded in half from left to right. A hole is punched through both layers near the folded edge. When opened, the holes will be:

  1. Mirror images across the fold
  2. In one corner only
  3. At right angles
  4. On top of each other at the outer edges
Reveal answer and explanation

Correct answer: Mirror images across the fold

Unfolding reflects the punched location across the fold line.

Question 21 of 25 · Arithmetic reasoning

Red and blue markers are in a 3:5 ratio. If there are 64 markers total, how many are red?

  1. 16
  2. 24
  3. 32
  4. 40
Reveal answer and explanation

Correct answer: 24

There are 8 ratio parts. Each part is 64 ÷ 8 = 8, so red markers total 3 × 8 = 24.

Question 22 of 25 · Word knowledge

Diligent most nearly means:

  1. Lazy
  2. Careful and persistent
  3. Confused
  4. Unlucky
Reveal answer and explanation

Correct answer: Careful and persistent

A diligent person applies steady, careful effort.

Question 23 of 25 · Paragraph comprehension

The team tested two filters with the same volume of water. Filter A removed more sediment, but Filter B processed the water in half the time. Which statement is supported?

  1. Filter A was faster
  2. Filter B removed more sediment
  3. The filters had different strengths
  4. Filter B was faster
Reveal answer and explanation

Correct answer: Filter B was faster

The passage says Filter B processed the water in half the time.

Question 24 of 25 · Mathematics knowledge

A right triangle has legs of 6 and 8. What is the hypotenuse?

  1. 10
  2. 12
  3. 14
  4. 15
Reveal answer and explanation

Correct answer: 10

By the Pythagorean theorem, c² = 6² + 8² = 100, so c = 10.

Question 25 of 25 · General science

Which blood cells primarily carry oxygen?

  1. Red blood cells
  2. White blood cells
  3. Platelets
  4. Plasma cells
Reveal answer and explanation

Correct answer: Red blood cells

Hemoglobin in red blood cells binds and transports oxygen.

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