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In what range is the accumulation of impurities increased concerning the operating time in an unfiltered system?

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in Automotive Engine Design by (136k points)
In what range is the accumulation of impurities increased concerning the operating time in an unfiltered system?

(a) Not proportion

(b) Proportional

(c) Doesn’t depend

(d) Has no effect

The question was asked during an online exam.

This key question is from Lubrication and Lubricants in chapter Lubrication and Lubricants of Automotive Engine Design

1 Answer

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Best answer
The correct answer is (b) Proportional

Easy explanation: In an unfiltered system, the accumulated impurities increase in direct proportion to the operating time. As time passes by the impurities get accumulated due to which a regular service of the filtering system is required.

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