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The oil cooler is present in ______ type of lubricating system.

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in Automotive Engine Design by (137k points)
The oil cooler is present in ______ type of lubricating system.

(a) pressure lubricating system

(b) dry-sump system

(c) splash system

(d) petroil system

This question was posed to me in my homework.

Question is taken from Systems of Engine Lubrication in section Lubrication and Lubricants of Automotive Engine Design

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The correct choice is (a) pressure lubricating system

To elaborate: In heavy-duty engines during the oil circulation, the oil gains heat from various engine parts, which is given out to the sump walls due to which separate oil cooler is used to cool the oil so that lubrication efficiency is increased.

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