A few hours after changing the oil on one of the diesel generator set engines on your offshore supply vessel, you notice that the oil is significantly darkened. What does this normally indicate?
A
The darkening of the color normally indicates diesel fuel contamination of the lubricating oil which requires another oil change after determining and correcting the source of contamination.
B
The darkening of the color definitely indicates severe overheating of the lubricating oil which requires another oil change after determining and correcting the cause of overheating.
C
The darkening of the color normally indicates water contamination of the lubricating oil which requires another oil change after determining and correcting the source of contamination.
D
Question 1 / 2066636eef28f7522a1c51fcc9
Question 1 of 2066636eef28f7522a1c51fcc9
A few hours after changing the oil on one of the diesel generator set engines on your offshore supply vessel, you notice that the oil is significantly darkened. What does this normally indicate?
A few hours after changing the oil on one of the diesel generator set engines on your offshore supply vessel, you notice that the oil is significantly darkened. What does this normally indicate?
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The darkening of the color normally indicates the suspension of fine particles of unburned carbon (soot) which is a normal occurrence and does not require another oil change.