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108年公務人員普通考試試題 類科:輪機技術

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108年公務人員普通考試試題

科:輪機技術 目:船舶輔機概要

考試時間: 1 小時 30 分 座號:

※注意: 禁止使用電子計算器。

不必抄題,作答時請將試題題號及答案依照順序寫在試卷上,於本試題上作答者,不予計分。

本科目除專門名詞或數理公式外,應使用本國文字作答。

代號:45330 頁次:1-1

一、試述拆修離心泵葉輪時,應注意檢查那些部分?(20 分)

二、試述低壓式板式造水機中蒸發器的水垢生成增加之主要原因為何?

如何改善並防止水垢?(20 分)

三、當船用往復活塞式空壓機的排氣溫度過高,其可能原因為何?請試述 之。(20 分)

四、試述船舶機艙的輔機管路在安裝時考慮原則為何?(20 分)

五、請將下列英文譯成中文:(20 分)

At deviations between actual rudder position and the desired rudder position, a port or starboard signal is given to the electrical directional-control valve.

The control valve changes its position and hydraulic oil is lead in an out of the respective chambers at the steering gear, shifting the rudder angle towards the desired position as long as the deviation exists.

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