Gears

What is the primary problem with belt drives in power transmission?

• Noise

• High torque

• Low speed

• Slippage

What is the biggest advantage of gear system over belt drives?

• Increased torque

• Zero slippage

• High speed

• Low noise

What is the gear ratio if a big gear has 48 teeth and a small gear has 16 teeth?

• 2:1

• 3:1

• 4:1

• 5:1

What happens to the speed and torque when using a gear ratio to increase speed?

• Speed decreases, torque increases

• Speed decreases, torque decreases

• Speed increases, torque decreases

• Speed increases, torque increases

Which type of gear is used to overcome the noise problem of spur gears?

• Helical gear

• Bevel gear

• Worm gear

• Rack and pinion gear

What is the purpose of using a herringbone gear?

• To transfer power at an angle

• To increase torque

• To increase speed

• To reduce noise

In which type of gear system is the shaft of the gears parallel to each other?

• Rack and pinion gear

• Bevel gear

• Spur gear

• Worm gear

What is the purpose of using an idler gear between two gears?

• To connect the gears and make the rotational axis the same

• To increase speed

• To decrease speed

• To change the direction of rotation

What is the purpose of using a chain system between two gears?

• To connect the gears and make the rotational axis the same

• To transfer power at an angle

• To increase speed

• To reduce noise

What is the biggest advantage of the planetary gear system?

• Running the vehicle in forward and reverse directions

• Increasing speed

• Reducing noise

• Increasing torque