35. Which one is not deck machinery?
(A) Windlasses
(B) Boiler
(C) Capstans
(D) Cranes

31. One kind of tools which are in common use for daily maintenance works on the ship delivers an impact momentum to an object. The tool comprises a handle and a head with most of the weight. The common uses of the tool are for driving nails, fitting parts, and breaking up objects. What tool is above description? (A) Drill (B) Screwdriver (C) Pliers (D) Hammer

32. Which type of lifeboats is the space-saving rubber life raft, which can be expanded to full size in emergency? (A) Whaleboats (B) Inflatable raft (C) Oil tanker (D) Tugboat

33. 液壓起重機運轉時對於液壓油應注意下列何者事項？ (A) 液壓油的稀釋 (B) 液壓油的洩漏 (C) 液壓油的存放 (D) 液壓油的種類

34. 齒輪式泵運轉時應注意之事項，下列何者錯誤？ (A) 保持適當密封間隙 (B) 泵工作時之環境溫度 (C) 防止吸入壓力過低或吸入空氣 (D) 不宜超出額定排出壓力

36. Which one of instructions for safety precautions described in the working manual is incorrect? (A) When changing cooling water, lubricating oil or filter immediately after the engine has stopped, proceed to work only after the temperature has lowered. (B) During running and immediately after the engine has stopped, the whole engine is heated. Take care not to get burnt. (C) Can touch a high temperature region such as the exhaust pipe or pressure indicator cock of engine with bare hands. (D) Do not touch the heater and heated sections of fuel oil system with bare hands.

37. 船舶之推進軸系統（Propulsion Shafting System），其軸中線應採用斜線方式布置，其傾 斜角不能超過一定角度，其目的為何？ (A) 不使螺槳的輸出推力受到損失 (B) 不使軸系增加彎曲應力 (C) 可提高傳動效率 (D) 使艉軸承磨損降低

38. 下列何者為可變螺距推進器之優點？ (A) 改變葉片之方向即可得逆向推力 (B) 構造複雜 (C) 翼與轂部之連接處之水密困難 (D) 停車時需停止主機運轉

39. 泵的吸入壓力基本上不受下列何者因素影響？ (A) 吸入高度 (B) 泵的材料 (C) 吸入管直徑 (D) 轉速

40. 關於製冷壓縮機排出壓力過低之原因，下列何者錯誤? (A) 冷卻水溫度過高 (B) 冷卻水流量過多 (C) 往復式壓縮機之活塞與氣缸間隙過大 (D) 安全閥洩漏

1. 對於曲柄軸彎曲變形的測量，下列敘述何者不正確? (A) 應該在機器冷態時測量 (B) 機器熱態測量較冷態測量準確 (C) 在船舶裝載條件相同下測量 (D) 在夜間、清晨、或陰雨天測量較好