Gears Quiz

What is the primary function of gears?

• To increase the weight of a machine

• To mesh together and transmit power from one location to another

• To change the color of a machine

• To reduce the size of a machine

How can the direction of rotation be changed in a gear system?

• By using gears of the same size

• By using a different number of gears

• By increasing the weight of the gears

• By changing the material of the gears

What factor can change the rotation speed of the output gear?

• The color of the gears

• The material of the gears

• The size of the gears

• The weight of the gears

Why is selecting the correct size and number of gears important?

• To make machines look better

• To make machines work as required

• To reduce the cost of machines

• To increase the weight of machines

What are gears used to transmit?

• Linear motion

• Rotary motion

• Oscillating motion

• Vibrating motion

What materials are gears typically made from?

• Wood and rubber

• Metal and plastic

• Glass and ceramic

• Paper and fabric

Why do gears need to be hard wearing?

• To reduce noise

• To be lightweight

• For continual use

• To be flexible

In which of the following applications can gears be found?

• Televisions

• Clocks

• Smartphones

• Laptops

Which of the following is NOT an application of gears?

• Automotive steering systems

• Electric food mixers

• Clocks

• Solar panels

What is the primary function of gear trains?

• To increase the speed of a vehicle

• To transmit rotary motion through many gears

• To reduce noise in machinery

• To change the color of gears