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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q532 - Motor Plants II
15. 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 __________.
Removing the wear ridge prevents cracking of the rings or ring lands during piston removal due to the stress caused by forcing rings over the abrupt step.
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