An anti-friction bearing
a) could be a thrust bearing
b) is a bearing containing white-metal alloy
c) is a sleeve bearing
d) receives larger amounts of oil
e) cannot operate in an oil bath
Answer: A
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Power Engineering Chapter 77
- Which one is NOT a preferred condition for grease used as a lubricant?
- Which one is NOT a preferred condition for oil used as a lubricant?
- Causes of anti-friction bearing failures are: 1. improper fitting 2. false brinelling 3. high operating temperature 4. poor quality lubricant
- A thrust bearing
- A collar thrust bearing: 1. can support more load than a Michell thrust bearing 2. can prevent a rotating shaft from moving in both axial directions 3. has boundary lubrication 4. is an anti-friction type bearing
- Thrust bearings: 1. are used on reaction turbines 2. prevent the turbine rotor moving axially 3. are always installed on both ends of the rotor shaft 4. are lubricated with the same oil as the main bearings
- One of the main functions of the lubricant in a sealed, grease type anti friction bearing is
- In a forced lubrication system, a pump supplies oil ______ for the bearings.
- Fluid film lubrication
- An anti-friction bearing:
- Using pressurized air to blow out a cleaned bearing:
- When grease is used in an antifriction bearing, the bearing housing should not be filled _____ full.
- A common cause of antifriction bearing failure is:
- When replacing or removing an anti-friction ball bearing, the applied force should:
- A shell type bearing:
- Applying installation forces through the balls of a bearing can cause:
- The lubricant for an anti-friction bearing:
- A normal anti-friction bearing temperature operating range is:
- A journal bearing:
- A large journal bearing which is running hotter than normal can be cooled by:
- Fluid film lubrication:
- A collar thrust bearing:
- The proper way to store a bearing after cleaning is to dip it in __________________ and wrap it in grease-proof paper.
- A form of lubrication that requires continual motion of a shaft or surface is: