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What is the pressure range in KPa at which the spring-loaded relief valve is incorporated in the filter which bypasses and an emergency supply of unfiltered oil to the bearings?(a) 0-40(b) 40-100(c) 100-300(d) 400-800The question was posed to me in unit test.The query is from Lubrication and Lubricants in section Lubrication and Lubricants of Automotive Engine Design

Answer»

Correct OPTION is (b) 40-100

Best EXPLANATION: The spring-loaded relief valve is incorporated in the FILTER, which bypasses an emergency SUPPLY of unfiltered oil to the bearing to avoid bearing starvation is DESIGNED to open at 40 to 100kPa.



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