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Gear Basics Quiz

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Questions and Answers

What is the function of an idler gear?

To change the speed and torque of rotating axles

To maintain the direction of rotation between two other gears (correct)

To connect two other gears

To increase the gear ratio

What is the most common type of gear?

Idler gear

Worm gear

Spur gear (correct)

Bevel gear

What does the gear ratio of 5 to 1 mean?

The larger gear rotates 5 times faster than the smaller gear

The smaller gear rotates 5 times faster than the larger gear

It takes 5 turns of the smaller gear to get 1 turn of the larger gear (correct)

It takes 1 turn of the smaller gear to get 5 turns of the larger gear

What is the purpose of putting bushings on the back side of a 1x16 beam when using a gear?

<p>To reduce friction between the gears and the beam</p> Signup and view all the answers

What is the function of a worm gear?

<p>Connect two non-parallel shafts</p> Signup and view all the answers

Study Notes

Gear Functions

The idler gear is used to change the direction of rotation without changing the gear ratio.

Gear Types

The most common type of gear is the spur gear.

Gear Ratio

A gear ratio of 5 to 1 means that the output shaft rotates at 1/5 the speed of the input shaft, while the torque is multiplied by 5.

Gear Mounting

Bushings are placed on the back side of a 1x16 beam when using a gear to provide a clearance fit for the gear's shaft, reducing friction and allowing for smoother rotation.

Worm Gear

The worm gear is a type of gear that allows for high gear ratios in a small package, and is often used in applications where a high torque is required in a confined space.

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Description

Test your knowledge of gears with this quiz on the basics of different gear types, including spur gears, idler gears, bevel gears, and worm gears. Learn about how gears change speed, torque, and direction of rotating axles as you build your understanding of these essential mechanical components.