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  4. ASVAB Section 3: Mechanical Comprehension

Free ASVAB Section 3: Mechanical Comprehension Exam Braindumps
ASVAB Section Three : Mechanical Comprehension Questions 31–35 (page: 8)

Updated On: 9-Feb-2026
Page 8 of 39
PDF with 187 Questions

If a ramp measures 6 feet in length and 3 feet in height, an object weighing 200 pounds requires how much effort to move using the ramp?

  1. 200 pounds
  2. 100 pounds
  3. 50 pounds
  4. 300 pounds

Answer(s): B

Explanation:

The formula to determine mechanical advantage of an incline plane is Length of Ramp ÷ Height of Ramp = Weight of Object ÷ Effort.
Plugging in the numbers gives you:
6/3 = 200/E
6E = 600
E = 100



A micrometer is used to measure _______________.

  1. small changes in temperature
  2. changes in psi
  3. thicknesses to a few thousandths of an inch
  4. objects invisible to the unaided eye

Answer(s): C

Explanation:

Micrometers measure very small but not microscopic objects.



If a cat is removed from Side B of the seesaw, what happens to the cats on Side A?

  1. The cat will never move from Side B until it’s good and ready.
  2. The cats on Side A will move up in the air.
  3. The cats on Side A will move toward the ground.
  4. Nothing will happen.

Answer(s): C

Explanation:

Reducing the weight on Side B (by removing the cat) will cause Side A to move toward the ground.



The force produced when two objects rub against each other is called ____________.

  1. gravity
  2. recoil
  3. magnetism
  4. friction

Answer(s): D

Explanation:

Objects rubbing together produce friction.



Normally, atmospheric pressure is approximately ___________.

  1. 14.7 psi
  2. 23.2 psi
  3. 7.0 psi
  4. 10.1 psi

Answer(s): A

Explanation:

“Normal” atmospheric pressure is 14.7 psi.



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