MDE 10 Q7

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Question: Upon detecting the early signs of microbial degradation in the main engine lubricating oil, which TWO actions should be taken?

A) Increase the engine load to burn off the microbes

C) Immediately replace the lubricating oil

D) Monitor the oil condition more frequently

B) Add a biocide to the lubricating oil

F) Switch to a different grade of lubricating oil

E) Increase the oil's operating temperature

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Question: Which of the following are indications that lubricating oil is suffering from microbial degradation? (Select FOUR)

C) Increase in oil viscosity

A) Presence of sludge in the oil

F) High oil pressure

G) Formation of water droplets in the oil

D) Discoloration of the oil

E) Sudden drop in oil level

B) Unusual or foul odor from the oil

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