Engine : Motor Plants and Auxiliary Boilers - 1230/947
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| While underway, a slow-speed diesel engine lube oil sump level slowly begins to decrease. Which of the following should be checked? |
| A) The lubricating oil cooler for leakage into the cooling system. |
| B) The standby lube oil pump to ensure it is not operating. |
| C) The tank heating coils to ensure they are secured. |
| D) The piston oil scraper rings for excessive wear. |
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