Engine_2014 : Steam Plants - 1552/1951
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| Lube oil coolers are necessary in most engine lubricating systems because __________ . |
| A) when engine oil is used continuously, the coolers prevent the oil from wearing out |
| B) harmful acids need to be condensed before being removed by a centrifuge |
| C) they maintain the oils viscosity and film strength while removing the residual heat of the bearings |
| D) cooling decreases viscosity and improves engine thermal efficiency |
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