Answered

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What does "fretting" describe?

A. A crankshaft angle problem
B. Expansion/contraction rate differential between the head and the manifold
C. Piston slap at low engine speed
D. Intermittent valve tapping

Sagot :

GinnyAnsweridn

Final answer:

Fretting in engineering involves damage from small movements between surfaces. It can lead to wear, corrosion, and component failure.


Explanation:

Fretting in engineering refers to the damage caused by repeated small movements or vibrations between two contacting surfaces. This phenomenon can lead to wear, corrosion, and ultimately the failure of components over time.

For example, in a crankshaft assembly, fretting between the crankshaft and bearings can result in micro-movements that weaken the material, causing potential breakage and malfunction of the engine.

It is crucial to address fretting through proper material selection, lubrication, or design modifications to prevent costly repairs and ensure the longevity of mechanical systems.


Learn more about Fretting in engineering here:

https://brainly.com/question/14968269


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