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The wear and tear of metal surfaces are involved and _________ are formed in thin lubrication.(a) P-n junctions(b) Welded junctions(c) Layers(d) Thin layersI had been asked this question in unit test.This interesting question is from Mechanism of Lubrication topic in chapter Lubricants of Applied Chemistry

Answer»

Right choice is (B) Welded junctions

The best EXPLANATION: The wear and tear of the metal surfaces is involved and the welded junctions are FORMED. This also RESULTS in friction. These all are formed due to the contact of the surfaces with other leads.



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