申論 1請說明「渦卷泵（Volute pump）」及「渦輪泵（Turbine pump）」之構造，及其工作原理之主要差異，並敘述渦卷泵及渦輪泵各屬於那一類之泵？（20 分）
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申論 2液壓換向閥較常見的有那四種控制裝置，請各別詳述其工作原理及優缺點。（20 分）
申論 3請說明蒸發式（Evaporative type）造水機與急驟汽化式（Flash type）造水機之工作原理。（20 分）
申論 4蒸汽渦輪機因異常情況，但尚未達到緊急停車程度時可以以自動減速手段改善此種異常情況。請說明自動減速之可能發生原因。（20 分）
申論 5請將下列專業英文翻譯成中文。（20 分）Controllable pitch propellers are normally fitted to a flanged tail shaft as theoperating mechanism is housed in the propeller boss. As its name implies, itis possible to alter the pitch of this type of propeller to change ship speed or toadjust to the prevailing resistance conditions. This change in pitch is effectedby rotating the blades about their vertical axes, either by hydraulic ormechanical means. A shaft generator can be driven at constant speed whileallowing at the same time a change of ship’s speed through the propeller. Sinceit is normally possible to reverse the pitch completely, this type of propeller isused with a unidirectional engine to give full ahead or astern thrust, whenmaneuvering.