Engine_2014 : Motor Plants and Auxiliary Boilers - 1481/2614
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| Which of the following design features will reduce the possibility of overheating the top compression rings of a cast iron piston? |
| A) The top ring is located as close to the piston rim as possible. |
| B) The inside surface of the piston head is rounded into the ring belt. |
| C) A nickel-bearing insert is cast into the top ring groove. |
| D) A heat dam design is sometimes used in the piston head. |
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