Engine : Motor Plants and Auxiliary Boilers - 620/947
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| After a long period of operation, a wear ridge, caused by piston ring action, will develop near the top of the cylinder liner. This ridge must be removed during maintenance in order to prevent __________. |
| A) excessive ring wear during the seating period |
| B) excessive lubrication of the top ring |
| C) improper coating of lubrication on the cylinder wall |
| D) breaking of the rings, ring lands, or both during piston removal |
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