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______ valve is provided to control the oil pressure of the lubricating oil.

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in Automotive Engine Design by (137k points)
______ valve is provided to control the oil pressure of the lubricating oil.

(a) pressure-relief

(b) control

(c) directional control

(d) flow control

The question was posed to me in exam.

This is a very interesting question from Systems of Engine Lubrication in section Lubrication and Lubricants of Automotive Engine Design

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Best answer
Right option is (a) pressure-relief

To explain I would say: Pressure relief valve is provided to control the oil pressure of the lubricating oil. It protects during an overpressure event. The pressure relief valve is situated in the filter unit or the pump housing.

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