Mechanical Comprehension Practice

Below are Sample ASVAB Mechanical Comprehension Practice Practice Questions. Write down your answers as you go along, and once you reach the end of the Mechanical Comprehension Practice Practice Test, check your answers with the answer sheet! Good luck!

Mechanical Comprehension Practice Practice Questions

  1. When a mass of air expands, which of the following is most likely to happen?

    1. The air contracts.
    2. The air stays at the same temperature.
    3. The air cools down.
    4. The air warms up.
  2. Which of the following would feel hottest to the touch if one end were placed in a pot of boiling water?
    1. A metal fork
    2. A plastic cup
    3. A wooden spoon
    4. A plastic knife
  3. A lever lifts 300 lb with an effort of 60 lb. What is the mechanical advantage?
    1. 4
    2. 3
    3. 8
    4. 5
  4. In a class 1 lever with an MA of 4, if the effort distance measures 8 ft, how long is the load distance?
    1. 2 ft
    2. 4 ft
    3. 8 ft
    4. 16 ft
  5. Water is flowing into a tank at the rate of 180 gallons per minute. However, the tank has a leak, and water is leaking out at the rate of 2 gallons per second. How long will it take to add 120 gallons?
    1. 1 min
    2. 4 min
    3. 3 min
    4. 2 min
  6. Water is flowing from a 3-inch pipe into a 1-inch pipe. Which statement is true?
    1. Pressure is lower in the 3-inch pipe.
    2. More water is passing through the 3-inch pipe than through the 1-inch pipe.
    3. Pressure is higher in the 1-inch pipe.
    4. The same amount of water is passing through every part of the piping system.
  7. Gear A, with 18 teeth, meshes with gear B, which has 12 teeth. When gear A rotates 3 times, gear B will rotate
    1. 3 times.
    2. 9 times.
    3. 6 times.
    4. 4.5 times.
  8. What is the advantage of using triangle shapes in constructing a bridge?
    1. Triangles are very flexible.
    2. Triangles are inexpensive to manufacture.
    3. Triangles are sturdier than other shapes.
    4. Triangles are attractive to look at.
  9. Which formula will calculate the mechanical advantage of a lever?
    1. Load/effort
    2. Both A and B
    3. Effort distance/load distance
    4. Load × effort
  10. A screw has 20 threads per inch. How many full turns of the nut are required for the nut to travel 1.5 inches?
    1. 20 turns
    2. 15 turns
    3. 30 turns

    4. 25 turns

Mechanical Comprehension Practice Practice Answer Sheet

When you're ready to view the Mechanical Comprehension Practice Answers, hover your mouse over the box below. The answers will then appear for you to check your work.
  1. D
  2. C
  3. B
  4. A
  5. A
  6. A
  7. A
  8. C
  9. A
  10. B
  11. A

Hopefully you did well! Keep track of your score and continue through the rest of the ASVAB Practice Tests to see how well you do! Once finished, you will have a better idea of what you need to study before the big test.

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