單項(xiàng)選擇題

The transmission system transmitting power from the engine to the propeller is composed of shafts, bearings, and（）

A.propeller
B.flying wheel
C.main engine
D.crankshaft

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單項(xiàng)選擇題

Which of the followings will affect the spray of fuel oil?（）

A.coke deposits
B.cylinder water temperature
C.asphalt in fuel oil
D.lub oil

單項(xiàng)選擇題

When the direction handle of telegraph is moved, the relative position of camshaft and crankshaft will be（）

A.changed accordingly
B.unchanged
C.positioned ahead
D.positioned astern