Specific gravity is determined by ______ test.(a) Archimedes principle(b) acid value test(c) emulsification test(d) insoluble residue testThis question was addressed to me in examination.This interesting question is from Testing of Lubricants in chapter Lubrication and Lubricants of Automotive Engine Design

Specific gravity is determined by ______ test.(a) Archimedes principle

1.	Specific gravity is determined by ______ test.(a) Archimedes principle(b) acid value test(c) emulsification test(d) insoluble residue testThis question was addressed to me in examination.This interesting question is from Testing of Lubricants in chapter Lubrication and Lubricants of Automotive Engine Design
Answer» Correct choice is (a) Archimedes principle Explanation: Archimedes’ principle is the most ACCURATE WAY to determine the specific GRAVITY of the LUBRICATING oil. Archimedes principle states that the buoyant force on an object EQUALS the weight of the fluid it displaces. Specific gravity is the ratio of the density of unknown oil to the density of water.

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