Simple Gear Train Quiz

What is the formula for calculating gear ratio in a simple gear train?

• Driving gear teeth / Driven gear teeth

• Driven gear teeth / Driving gear teeth

• Driving gear teeth + Driven gear teeth

• Driven gear teeth - Driving gear teeth

If the driver gear has 20 teeth and the driven gear has 40 teeth, what is the gear ratio?

• 15

• 2

• 5

• 10

If the driver gear has 24 teeth and the driven gear has 48 teeth, what is the gear ratio?

• 24

• 2

• 1/2

• 1

If the driver gear has a torque of 100 N and the driven gear has a torque of 500 N, what is the gear ratio?

• 1 : 25

• 5 : 1

• 1 : 5

• 50 : 1

In a simple gear train, if the driver gear rotates at 200 rpm, what will be the speed of the driven gear if the gear ratio is 3:1?

• 50 rpm

• 100 rpm

• 150 rpm

• 66.67 rpm

In a simple gear train, if the driver gear rotates at 1000 rpm, what will be the speed of the driven gear if the gear ratio is 5:1?

• 500 rpm

• 100 rpm

• 5000 rpm

• 200 rpm

In a simple gear train, if the driver gear rotates at 1200 rpm, what will be the speed of the driven gear if the gear ratio is 20:1?

• 600 rpm

• 240 rpm

• 24000 rpm

• 60 rpm

What is the purpose of calculating gear ratio in a simple gear train?

• To calculate the color of the gears

• To determine the relationship between the number of teeth on the gears and understand the speed and torque output of the gear train.

• To understand the relationship between the number of wheels on the gears

• To determine the weather conditions for the gear train

If the driver gear has 20 teeth and the driven gear has 50 teeth, what is the gear ratio?

• 2 : 5

• 30 : 1

• 5 : 2

• 10 : 1

If the driver gear has 25 teeth and the driven gear has 50 teeth, what is the gear ratio?

• 10

• 5

• 15

• 2