Have an account?
Skip to Content
Build your own quiz
Suggestions for you
Professional Development, Instructional Technology
Professional Development
FUN 101 Week 7 Test Bearings, Lubricants & Seals
20 questions
Show Answers
See Preview
- 1. Multiple Choice
Which of the following is the load applied toward the centerline of a shaft?
Axial load
Angular load
Radial load
Center load
- 2. Multiple Choice
Technician A says that bearings are used so no wear takes place. Technician B says that bearings support loads, but do not not align components. Who is correct?
Technician A
Technician B
Both Technician A and Technician B
Neither Technician A nor Technician B
- 3. Multiple Choice
The friction between different metals in sleeve bearings is reduced due to a property called __________.
Feasibility
Compatibility
Reliability
Maneuverability
- 4. Multiple Choice
Technician A says that friction would be less if the metals used in sleeve bearings are different. Technician B says that sleeve bearings cannot have direct surface contact. Who is correct?
Technician A
Technician B
Both Technician A and Technician B
Neither Technician A nor Technician B
- 5. Multiple Choice
Technician A says that antifriction bearings do not use rolling contact to reduce friction. Technician B says that antifriction bearings use sliding contact to reduce friction between two metals. Who is correct?
Technician A
Technician B
Both Technician A and Technician B
Neither Technician A nor Technician B
- 6. Multiple Choice
Which of these bearings is designed to support only radial loads?
Ball bearing
Tapered roller bearing
Plain roller bearing
Plain bushing
- 7. Multiple Choice
Technician A says that in an interference fit, friction holds the bearing race in place on a shaft or in a housing. Technician B says that interference fit means the bearing’s inner race is slightly smaller, by a few thousandths of an inch, than the shaft to which it locks. Who is correct?
Technician A
Technician B
Both Technician A and Technician B
Neither Technician A nor Technician B
- 8. Multiple Choice
Which of the following statements is true of interference fit?
Bearings with interference fit can be easily installed and disassembled.
A small amount of force is sufficient to remove a bearing with interference fit.
Special service tools are required.
Presses, hammers, pullers, and separators are the only tools used.
- 9. Multiple Choice
Technician A says excess lubrication would result in corrosion of bearings. Technician B says that excess lubrication would increase the temperature of bearings. Who is correct?
Technician A
Technician B
Both Technician A and Technician B
Neither Technician A nor Technician B
- 10. Multiple Choice
__________ is a condition where chunks from the surface of the bearing rollers or races break or flake away.
Trailing
Spalling
Stalling
Strolling
- 11. Multiple Choice
What should be done if the pressure applied on both sides of an O-ring seal varies?
Another V-ring-shaped seal should be used.
Two back-up O-rings seals should be used.
Lubricant should be used.
Pressure should be equalized.
- 12. Multiple Choice
Which of the following seals is required to function on moving components?
Dynamic seal
Stationary sea
Static seal
Fuel seal
- 13. Multiple Choice
A Teflon radial lip seal requires a(n) __________ to prevent damage during installation.
Film of oil
Centering tool
Alignment tool
Protective sleeve
- 14. Multiple Choice
All of the following are the features of PTFE seal, EXCEPT:
It has a low CoF.
It is capable of withstanding abrasive operating conditions.
Its operating temperatures ranging from –300ºFto +550ºF.
It has good elastic properties.
- 15. Multiple Choice
Which of these statements is NOT true about gaskets/sealants?
Gaskets are thin preformed seals made from solid materials.
Sealants are thick viscous liquids that are a "formed in place gasket."
Gaskets are either metallic or non-metallic material.
Gaskets typically have lower cohesive strength but higher elasticity.
- 16. Multiple Choice
All of the following determine clamping force, EXCEPT
Size of bolts
Number of bolts
Tension applied to bolts
Thread pitch of bolts
- 17. Multiple Choice
What is the process that causes rubber to stiffen to various degrees of hardness required for specific applications?
Metallization
Vulcanization
Standardization
Contamination
- 18. Multiple Choice
Anaerobic sealers are used when ___________ is not available to assist in the curing process.
Fuel
Oil
Air
Vulcanization
- 19. Multiple Choice
Technician A says that a static seal can be compressed for the second time to conform to surface irregularities. Technician B says that a static seal cannot be compressed a second time to fill in the surface irregularities. Who is correct?
Technician A
Technician B
Both Technician A and Technician B
Neither Technician A nor Technician B
- 20. Multiple Choice
When reassembling, fasteners are tightened in the correct sequence to achieve the correct __________.
Torque sequence
Seal compression
Seal dimension
Clamping force
- Answer choicesTagsAnswer choicesTags