单项选择题

Keel coolers fouled with marine growth, will result in （）

A.higher raw water temperatures
B.higher jacket water temperatures
C.a malfunctioning thermostat
D.higher fuel temperature

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The fuel injection pumps on a diesel engine are controlled by a linkage system attached to the （）

A.camshaft
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Which of the listed conditions will occur if a diesel engine exhaust valve is leaking?（）

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Which of the following conditions will develop if the flow of ‘raw’ cooling water to diesel engine is obstructed?（）

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