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Firefighter Exam Mechanical Aptitude / Ability Practice Test 3
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Firefighter Exam Mechanical Aptitude / Ability Practice Test 3
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14 Questions

1. Steve has a lever whose pivot point is 3 feet from the 50-pound box he wants to lift. Steve is standing at the other end of the lever, 6 feet from the pivot point. How much force must he apply to lift the box?
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2. A compass is used for what purpose?
3. The suspension system on a bicycle is likely to use which of the following mechanical devices?
4. Which of the following tools is used to smooth or level a piece of wood?
5. When three identical springs are arranged in series and a pulling force of 10 pounds is applied, the total stretch is 9 inches. If these same three springs were arranged in parallel and the same 10-pound force is applied to the new arrangement, what will be the total distance of stretch?
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6. What type of outside energy source could be used to operate a pump?
7. Vice grips are a type of
8. What type of gauge uses units of rpm?
9. How can gears be used to change the speed of a machine?
10. What is the main function of a pulley?
11. What type of mechanical device is used to aid in cooling of an internal combustion engine?
12. Of the following mechanical devices on an automobile, which one uses friction to accomplish its purpose?
13. Which of the following is NOT a carpenter's hand tool?
14. Which of the following is NOT a mechanical process for fastening?

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