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LUBE-TRIVIA
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QUESTION: What is the most common reason for finding calcium in engine crankcase oils? To what parameter might this relate?
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ANSWER: Detergent additive (calcium sulfonate).
BN (TBN) Base Number.
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 This Lube-Trivia is one of more than 440
questions
in
Noria's Preparatory Flash Cards for the
ICML
Level I Machinery Lubricant Analyst (MLA I) certification.
Details here. |
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