TUTORIAL 3a-GEAR

____________________is used to transmit the power at 90 degree

• Spur gear

• Helical gear

• Bevel gear

• None of the above

2. In which type of gear system, the teeth are cut at an angle to the axis of rotation?

• Helical gear

• Worm gear

• Spur gear

• Bevel gear

3. Spur gears can be used only when the two shafts are parallel.

• True

• False

3. Herringbone gear can be used in......

• Intersecting shafts only

• Parallel shafts only

• Both intersection and parallel shafts

• None of the mentioned

5. The difference between the space width and the tooth thickness along the pitch circle is....

• fillet

• face width

• flank

• backlash

6. What is the primary function of gears in mechanical system?

• Transmit power

• Store energy

• Generate heat

• Control temperature

7. In a rack and pinion system, which part is the gear?

• Rack

• Pinion

• Neither

• Both

What type of gear system is used to change the direction of rotation of a shaft?

• Worm gear

• Spur gear

• Bevel gear

• Helical gear

What type of gear system is commonly used in bicycles for changing gears?

• Worm gear

• Bevel gear

• Helical gear

• Spur gear

What is the purpose of a gear train with an idler gear?

• Change the direction of rotation

• Increase gear efficiency

• Adjust the gear ratio

• Reduce backlash