轮机英语船舶电气与船舶安全章节练习(2018.02.11)

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1 The purpose of the compensating adjustment used in a diesel engine hydraulic governor is to （）

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2 The ignition quality of diesel fuel is indicated by its（）

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3 Under normal conditions, the main source of crankcase oil contamination is attributed to （）

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4 （）conveys a signal of desired rudder angle from the bridge and activates the power unit and transmission system unit the desired angle is reached.

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5 Permitting a diesel engine fuel oil day tank to run dry can cause （）

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6 A switchboard for an AC electrical system requires the use of which of the following devices（）.

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7 The function of the piston compression rings used in a diesel engine is to （）

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8 When the voltage remains constant and the resistance is increased in a series circuit, the flow of current （）

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9 Which of the following represents the maximum percent of oxygen by volume required to be achieved by a ship’s inert gas system, prior to the commencement of crude oil tank washing?（）

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10 When start a screw pump, the by pass valve should be （）.

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