Engine : Motor Plants and Auxiliary Boilers - 1186/947
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| Why are some diesel engine cylinder liners plated on the wearing surface with porous chromium? |
| A) The chromium will not wear out the piston rings. |
| B) The chromium strengthens the liners in the way of the scavenging air ports. |
| C) Chromium eliminates the need for oil scraper rings. |
| D) Pores in the plating aid in maintaining the lube oil film. |
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