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How can you reduce friction between parts of the machinery?

A. applying water on the surface
B. applying lubricants like wax, oil and grease
C. applying heat on it
D. applying oxygen and carbon on it


Sagot :

Answer:

B. applying lubricants like wax, oil and grease.

Explanation:

There are several ways to reduce friction: The use of bearing surfaces that are themselves sacrificial, such as low shear materials, of which lead/copper journal bearings are an example. Replace sliding friction with rolling element friction, such as with the use of rolling element bearings.