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Engine : Motor Plants and Auxiliary Boilers - 312/947
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The line identified as "I" in the illustration is used to __________. Illustration MO-0066
A) deliver fuel oil to the injector
B) supply lubricating oil for actuating the exhaust valve
C) deliver cooling water to the exhaust valve actuating device
D) exhaust gas and vapors from the power cylinder
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Illustration MO-0066

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