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The World of Gears and Pulleys - Exam
Contributed by: Parkin
  • 1. Which type of gear has straight teeth and is most commonly used in industry?
A) Helical gear
B) Bevel gear
C) Spur gear
D) Worm gear
  • 2. What is the benefit of using a pulley system?
A) It increases friction
B) It can change the direction and magnitude of a force
C) It reduces mechanical advantage
D) It limits motion
  • 3. Which type of pulley changes only the direction of the force applied?
A) Fixed pulley
B) Moveable pulley
C) Block and tackle pulley
D) Compound pulley
  • 4. Which gear type is used to change the direction of rotation in a system perpendicular to another gear?
A) Spur gear
B) Helical gear
C) Bevel gear
D) Rack and pinion gear
  • 5. Which type of gear is shaped like a screw and is used to increase or decrease rotational motion?
A) Spur gear
B) Worm gear
C) Helical gear
D) Bevel gear
  • 6. What is the main difference between a simple and compound gear train?
A) Compound gear trains have multiple intermediate gears
B) Simple gear trains are more complex
C) Simple gear trains have bigger gears
D) Compound gear trains move slower
  • 7. How does a rack and pinion system convert rotary motion into linear motion?
A) The pinion gear engages with the teeth of the rack to move in a straight line
B) By increasing friction between gears
C) By rolling the gears on a surface
D) By using a belt drive system
  • 8. How does a gear train multiply torque?
A) By increasing the size of the gears
B) By changing the speed at which force is applied
C) By adding more power sources
D) By reducing the number of gears
  • 9. What do worms gears provide in a system?
A) Slippery surface
B) High gear reduction
C) Low gear reduction
D) Flexible movement
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