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The loosening of a wearing surface under the action of traffic or weather associated with the failure of the binding agent to keep the surface consolidated is known as

ACreep

BCrazing

CLiquid seal

DFretting

Answer:

D. Fretting


Related Questions:

Compared to mild steel cast iron has 

1. High compressive strength 

2. High tensile strength 

3. Low compressive strength  

4. Low tensile strength

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