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In the dashboard, the warning light comes ON when the pressure of the lubricating oil falls below ______ value.(a) 0.3(b) 0.4(c) 0.2(d) 0.5I have been asked this question in a job interview.This interesting question is from Systems of Engine Lubrication topic in section Lubrication and Lubricants of Automotive Engine Design

Answer»

The correct choice is (a) 0.3

The explanation: At the end of the main oil gallery, and oil-pressure switch is provided which operates the warning LIGHT on the dashboard. When the oil pressure becomes LOWER than the specified VALUE 0.3 bar, the warning lights come on, to attract the driver’s ATTENTION.



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