Gear Ratio Quiz

If the driver gear has 20 teeth and the driven gear has 80 teeth, what is the gear ratio?

• 1:4

• 4:1

• 1:3

• 3:1

If the driver gear has 80 teeth and the driven gear has 20 teeth, what would be the gear ratio?

• 4:1

• 1:4

• 3:1

• 1:3

What is the general rule for calculating the revolutions per minute (RPM) when the driver gear is larger than the driven gear?

• Multiply the velocity ratio by the RPM of the second gear.

• Divide the number of teeth of the driver gear by the number of teeth of the driven gear.

• Multiply the velocity ratio by the RPM of the first gear.

• Divide the RPM of the first gear by the velocity ratio.

What is the gear ratio between Gear A and Gear B?

• 1:1

• 1:2

• 1:3

• 1:4

What is the speed of Gear A in revolutions per minute (rpm)?

• 20 rpm

• 60 rpm

• 10 rpm

• 30 rpm

If Gear A has 20 teeth and rotates at 60 rpm, what is the speed of Gear B with 60 teeth?

• 20 rpm

• 30 rpm

• 10 rpm

• 60 rpm

What is the speed of Gear C if Gear B rotates at 20 rpm and has 60 teeth, and Gear C has 10 teeth?

• 120 rpm

• 60 rpm

• 10 rpm

• 20 rpm

How many teeth does Gear C have?

• 15 teeth

• 30 teeth

• 60 teeth

• 90 teeth

What is the RPM of Gear B if Gear A rotates at 30 RPM and has 120 teeth, while Gear B has 40 teeth?

• 30 RPM

• 60 RPM

• 90 RPM

• 120 RPM

What is the RPM of Gear C if Gear B rotates at 90 RPM and Gear B has 40 teeth while Gear C has 80 teeth?

• 45 RPM

• 90 RPM

• 30 RPM

• 60 RPM