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______ apparatus is used in the determination of loss due to Evaporation of the lubricating oil.(a) able’s(b) engler(c) arch butt(d) hydrometerI have been asked this question in class test.Origin of the question is Testing of Lubricants topic in division Lubrication and Lubricants of Automotive Engine Design

Answer»

Right choice is (c) arch BUTT

The best I can EXPLAIN: When the lubricating oil is subjected to high temperatures, they are liable to VAPORIZE to a certain extent. Loss due to EVAPORATION of the lubricating oil is DETERMINED by the Arch butt method.



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