輪機(jī)英語船舶電氣與船舶安全章節(jié)練習(xí)(2019.04.30)

來源：考試資料網(wǎng)

1 If a diesel engine were running at 20% overload with a smoky exhaust, you should（）

2 Air bubbles in a hydraulic governor can cause （）

3 In a turbocharged four-stroke/cycle diesel engine, the exhaust valve remains open until after top dead center and the intake valve opens before top dead center to（）.

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4 In a pneumatic automation system, a unit producing a signal to govern the position of the controller of the measured variable, relative to the value of the measured variable, is said to have（）.

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5 Before marine sewage treatment plant works （） should be filled with fresh water.

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6 Which of the listed classes of fire is considered as one involving electrical equipment?（）

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7 The minimum fuel oil delivery pressure required for diesel engine injection depends primarily on the（）

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8 The size of the exhaust valve opening is （）

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9 The process of scavenging a two-stroke/cycle diesel engine serves to（）

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10 Self-excited a-cgenerator with "error operated" voltage control systems draw the full excitation power for the machine terminalsThis dispenses with the current transformers, reactors and capacitors necessary for accurate compounding, but renders the excitation system vulnerable to variations in its output voltageWhich of the following is correct about the generator mentioned according to the sentences above （）.

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