⑶ Tipping Center

五、工業上進行聚合反應時，若以水為分散媒體，其生產製程常使用那兩種聚合法進行 聚合反應？除了單體外，此兩種聚合製程各需加入何種主要添加劑？（8 分）

六、PET 聚酯纖維（Dacron）可由 PTA 或 DMT 兩種製程製得，請寫出其聚合物之結構 式及兩種製程使用之單體的化學結構式。 （20 分）

⑴ Bulbous Bow

⑵ Spring Line

⑷ Stand-on vessel

⑸ Astronomical Vessel Position

二、英譯中：（20 分）  Engine rooms and other machinery spaces should be provided, wherever practicable, with soundproof centralized control rooms for engine-room personnel. Working spaces, such as the machine shop, should be insulated, as far as practicable, from the general engine-room noise and measures should be taken to reduce noise in the operation of machinery. Seafarers on board a ship shall be provided with food free of charge during the period of engagement.

⑴在狹窄水道或適航水道行駛的船舶，只要安全可行，應盡量靠近本船右舷水道或 適航水道的外側航行。

⑵從事捕魚的船舶不應妨礙任何其它在狹窄水道或航道以內航行的船舶通行。

四、申論題（請用英文作答）： （30 分）  A tender ship is one with a very small GM caused by KG being too large. This occurs if too much weight is placed high up within the ship. The ship will have insufficient stability, righting moments will be very small when heeled causing the ship to be sluggish and slow to return to the upright. Roll period will be long. A very small GM should be avoided for some reasons. Please write down the reasons.