所屬科目:輪機工程(概要)(包括推進裝置、輔機與輪機英文)
1. 若螺獎葉片在葉根與其0.5半徑間發生斷裂,此現象通常由下列何者造成? (A)撞到水中暗物 (B)摩擦導致 (C)材料疲勞 (D)空蝕現象
2. What purposes is not compressed air used on board ship? (A)Starting engine (B)Supply engine for burning (C)For pneumatic tools (D)Cleaning equipment
3. There was only _______ set onboard, which inhibited the capability of the crew in fighting the fire. (A)PSC (B)SMS (C)SCBA (D)MSC
4. Which one is an important document onboard with a written record for compliance of annex I of MARPOL? (A)Repair List (B)Oil Record Book (C)Saturday/Monday Routing Log (D)Reporting for Accidents
5. The _______ system consists of the components necessary to transmit the power of prime mover into thrust horsepower for propeller. (A)main bearing (B)connecting rod (C)propulsion shafting (D)air cooling
6. 若要運送含有雜質或污濁之液體,使用下列何種泵最為恰當? (A)離心式泵 (B)齒輪式泵 (C)抽射式泵 (D)螺旋式泵
7. 下列何者是「爐膛」的英文名詞? (A)Furnace (B)Igniter (C)Scum (D)Deaerator
8. In the two-stroke engine, each revolution of _____________ creates one power or working stroke. (A)the turning gear (B)the compressor (C)the crankshaft (D)the turbo-charger
9. Which type of valve should be installed where an undesired reversal of flow is restricted on the piping line? (A)Sluice valve (B)Needle valve (C)Check valve (D)Globe stop valve
10. 就船舶推進軸系統的而言,大型螺旋槳與艉軸接合處是採何種方式接合? (A)鍵與鍵槽 (B)無鍵式 (C)過盈配合 (D)環氧樹脂黏合
11. 有關船上設置淡水機必要性的敘述,下列敘述何者錯誤? (A)延長船隻航程,減少停靠碼頭補給時間 (B)船舶滅火時,增加用水供給 量 (C)空出裝淡水艙位,增加客貨裝載量 (D)利用廢汽餘熱,節約能源
12. The principal reason for turbocharging is to increase the power output of an engine of given size and speed, by enabling the cylinders to be charged with air at an elevated pressure and, therefore, at a higher density than air at atmospheric pressure. What is the main purpose to use a turbocharger? (A)To elevate the density of air in order to decrease the pressure in cylinder. (B)To elevate the pressure of air in order to decrease the density in cylinder. (C)To improve the power output of an engine of given size and speed by increasing the compressed air intake temperature. (D)To improve the power output of an engine of given size and speed by increasing the density of charged air.
13. 表面吹放裝置為一多孔長管,其長度與汽鼓相當,所裝設位置與正常水位相較,約在何處方可達成表面吹放的目的? (A)須略低於 正常水位 (B)須低於低水位處 (C)須在高水位警報高度位置處 (D)須略低於高水位高度處
14. The minimum temperature to which the exhaust gas is cooled is also a limitation since, in order to avoid what in the cold end of the boiler and stack, the temperature should not be allowed to drop below the acid dew point? (A)fatigue (B)thermal fatigue (C)creeping (D)corrosion
15. Which feature is indicated by a gradually rising pressure in the crankcase of trunk piston diesel engines? (A)Crankshaft wearing (B)Blow-by (C)Water leakage (D)Fuel dilution
16. 裝設冷藏間警報系統之目的為何? (A)防火考量 (B)避免人員觸電意外發生 (C)避免人員被鎖於冷藏間 (D)滅火考量
17. 依據螺槳曲線,假設船舶柴油主機全出力時為8000kW,主機轉速(N)為100 rpm,當主機機轉降為80rpm時,則所對應之主機出力 約為多少kW? (A)4000 (B)5000 (C)6000 (D)7000
18. The concept of _______ , aimed at increasing the thermal efficiency of a heat engine, uses heat that would normally be rejected into the low-temperature sink to preheat the air into the combustion chamber. (A)regeneration (B)reheat (C)re-expansion (D)superheat
19. 1 公制冷凍噸等同於下列何項數值? (A)2,000kcal/h (B)300kcal/min (C)3,320kcal/h (D)12,000kcal/day
20. 主機性能曲線圖示中,第②項所標示橫軸之意義為何 ? (A)船速比率 (B)主機轉 速比率 (C)主機運轉時數比率 (D)主機出力比率
21. 下列對操舵裝置之功用敘述何者有誤? (A)操舵裝置(Steering gear)之主要功用,係在利用最簡單之機械裝置及最少量之動力,將舵 轉至某要求之角度,以達到船舶轉向之目的 (B)操舵裝置之各項機械,必須能經久耐用,且其所佔之空間亦必須要小 (C)舵裝置之機 械設計,必須只能自舵輪(Steering wheel)控制舵機及舵等順序行之,並能反方向行之,此對於操舵裝置之安全,極為重要 (D)操舵 裝置必須有較高之機械利益(Mechanical advantage),俾能使用較小之力量而能產生較大之轉舵扭力(Rudder torque)
22. 空壓機各段須裝設安全閥,關閉時輸出管路上的空氣壓力,不超過最高工作壓力得多少%? (A)10 (B)14 (C)16 (D)18
23. 下列何者非船上噴射式泵的工作流體? (A)蒸汽 (B)海水 (C)淡水 (D)壓縮空氣
24. 下列何部分之功能係將舵機所發出的功率傳遞給舵柱的設備? (A)轉舵機構 (B)舵機 (C)操舵控制系統 (D)舵
25. What is the ideal thermodynamic cycle for a simple gas turbine engine? (A)Otto cycle (B)Diesel cycle (C)Rankine cycle (D)Brayton cycle
26. 傳統碟式淨油機中之比重盤主要在決定下列何者位置? (A)雜質囤積之範圍 (B)油水界面 (C)髒油排入通道 (D)水分排出通道
27. 下圖為“AEG”電動油壓舵機油壓回路圖,當舵遇到激浪或和固形物衝擊時,此時油壓超過設定壓力,安全閥即作動,使油自壓力室 回到吸入側,以防止舵之受損。指出代表安全閥之號數? (A)1 (B)2 (C)4 (D)5
28. Who is required to record the abnormal finding in engine room? (A)Chief Engineer (B)Bosun (C)Apprentice (D)Duty Engineer
29. 船用海水淡化目前大部分使用何種方法? (A)電滲析法 (B)蒸餾法 (C)冷凍法 (D)電解還原法
30. 下列何者會造成俥葉前緣發生裂口或彎曲變形? (A)海水溫度遽降 (B)撞擊硬物 (C)長期高負荷運轉 (D)長期低負荷運轉
31. 於殼管式熱交換器清潔保養時,通常打開冷卻器兩端之蓋板再使用何種器材逐根來回清通冷卻管內的結垢或污泥? (A)帶有鐵絲的 銅棒 (B)帶有鋼絲的銅棒 (C)帶有銅絲的銅棒 (D)帶有鋁絲的銅棒
32. 下列何者不是現代船舶所要求之儀錶功能? (A)精密度高 (B)自動控制與監視 (C)遙控操作 (D)無線操控與訊號回傳
33. 啟動淨油機前須完成下列何者動作以避免跑油現象? (A)將髒油灌滿淨油機 (B)加入水完成水封 (C)灌入空氣完成背壓 (D)放入木屑 以清潔出油口
34. 船用真空沸騰式海水淡化裝置的蒸發溫度大多控制在35~45°C 範圍內,其相對應真空度爲何? (A)70~74% (B)78~82% (C)85~89% 第3頁,共3頁 (D)90~94%
35. 位於淨油機頂部,將乾淨的油及水送到分離機外的是哪個部件? (A)滑動缽(Sliding bowl) (B)高度調整環(Heightadjusting rings) (C)排渣滑閥(Discharge slide) (D)刮油環(Paring disk)
36. 冷媒中含有何種成分時可以使用鹵素檢漏燈(海立得燈)來檢驗漏洩? (A)氨 (B)氯 (C)氟 (D)氫
37. 為維持浸油式艉軸油封之艉軸筒內壓力,其重力油櫃之液位高度一般高於滿載吃水線多少公尺以上? (A)4 (B)3 (C)2 (D)1
38. 當造水機給水倍率合適且排鹽泵工作正常時,蒸發器內部鹽水的水位應為何? (A)應遠低於上管板 (B)應與上管板等高 (C)應稍高於 上管板 (D)應遠高於上管板
39. 下列何者為冷凍循環系統主要損耗功率之過程? (A)冷凝過程 (B)蒸發過程 (C)膨脹過程 (D)壓縮過程
40. 由化學或電化學反應會造成俥葉表面產生何種現象? (A)腐蝕 (B)脆化 (C)硬化 (D)軟化