2 Gear Maintenance Quiz

What is the purpose of a gear coupling in a gear system?

• To increase the speed of the gear system

• To decrease the torque in the gear system

• To join two pieces of rotating equipment while permitting some degree of misalignment

• To reduce the noise in the gear system

Which type of gear is used to convert rotary motion to linear motion?

• Spur Gear

• Helical Gear

• Rack and Pinion

• Bevel Gear

What is the purpose of AGMA standards in gear selection?

• To determine the color of the gears

• To calculate the speed of the gears

• To provide guidelines for selecting proper drives for various applications involving gears

• To design the shape of the gears

What is backlash in gear design and operation?

• The process of aligning the gear teeth

• The process of lubricating the gear teeth

• The clearance or play between the teeth when no load is applied

• The process of teeth engagement between gears

What is the maximum operating temperature under normal conditions for gear maintenance?

• 180°F (82 °C)

• 220°F (104 °C)

• 200°F (93 °C)

• 150°F (65 °C)

What is the purpose of a worm and worm gear in a gear system?

• To join two pieces of rotating equipment while permitting some degree of misalignment

• To provide speed reductions with minimum space requirement

• To convert rotary motion to linear motion

• To transmit power when shafts are at right angles

What is the recommended lubrication method for a gear system that runs at low speed?

• Grease lubrication

• Oil mist lubrication

• Forced-circulation lubrication

• Splash lubrication

The application of gear is_______________

• Transmission

• Direction

• Coupling

• all answer

What cause gear tooth wear ?

• gears mesh too tightly

• gear sliding

• less lubrication oil

• all answer

Figure show the gear failure caused by ?

• Mesh problem

• Lubricant contamination

• Overheating

• Low oil