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LUBE-TRIVIA
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QUESTION: What does DR Ferrography stand for and what does it measure? |
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ANSWER: Direct Reading Ferrography measures the density of ferromagnetic wear particles in oil. It generally categorizes the particles as large (DL) and small (DS).
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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.
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Motor Oil Selection
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