Firefighter Mechanical Aptitude · Question
Which type of gear system typically allows for the greatest speed reduction and torque multiplication in a compact space?
Worm gears offer significant speed reduction and torque multiplication in a very compact design. A single turn of the worm can cause the gear to revolve only on
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Question: Which type of gear system typically allows for the greatest speed reduction and torque multiplication in a compact space?
Answer options: ✅ Worm gear
- Spur gear
- Bevel gear
- Rack and pinion
Correct answer: Worm gear
Explanation: Worm gears offer significant speed reduction and torque multiplication in a very compact design. A single turn of the worm can cause the gear to revolve only one tooth, providing a very high gear ratio.
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- Scenario 1: Which simple machine uses a fulcrum to multiply force or change the direction of force?
- Scenario 2: If a hydraulic jack has a small piston with an area of 5 cm² and a large piston with an area of 50
- Scenario 3: Which of the following would require the MOST force to move?
- Scenario 4: A rope is tied to a heavy box. Instead of pulling the box directly, a firefighter wraps the rope a
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