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  5. ASVAB Section 3: Mechanical Comprehension

Free ASVAB Section 3: Mechanical Comprehension Exam Braindumps (page: 7)

Page 6 of 47
PDF with 187 Questions

A way to determine the amount of power being used is to __________.

  1. Multiply the amount of work done by the time it takes.
  2. Multiply the distance covered by the time it takes to move a load.
  3. Divide the amount of work done by 550 pounds per second.
  4. Divide the amount of work done by the amount of time it takes.

Answer(s): D

Explanation:

The formula for determining power is Power = Work ÷ Time.



A wood tool, a silver tool, and a steel tool are placed in boiling water for cleaning. Which tool gets the hottest?

  1. steel
  2. wood
  3. silver
  4. All three are equally hot.

Answer(s): C

Explanation:

Silver is the best conductor, so it becomes hottest.



A runner is being used in the figure shown.
How much effort (disregard friction, wind resistance, and the weight of the pulley and the rope) is using the cat lover lifting the 50-pound crate (with cat)?

  1. 50-pound effort
  2. 100-pound effort
  3. 25-pound effort
  4. 10-pound effort

Answer(s): A

Explanation:

Stationary pulleys give no mechanical advantage, so effort equals the weight of the crate or 50 pounds.



In the figure above, at what point was the ball traveling most slowly?

  1. A
  2. B
  3. C
  4. D

Answer(s): C

Explanation:

At the height of the arc, the ball has no upward momentum, so it goes the slowest at that point.






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