輪機工程(概要)（包括推進裝置、輔機與輪機英文）自由測驗(難度:隨機)-阿摩線上測驗

阿摩：人生是可以逆轉勝的

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模式:自由測驗
科目:輪機工程(概要)（包括推進裝置、輔機與輪機英文）
難度:隨機

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1(A).

24.將艙底水或污水打出船外前，須先經由何種設備處理？
(A)沉澱櫃
(B)油水分離器
(C)淨油機
(D)潔油機

2(D).

12. Refrigerator is formed by a single vapor-compression system which contains an operated cycle of four main elements. What element is operated after compressor?
(A) Heater
(B) Evaporator
(C) Expansion valve
(D) Condenser

3(D).

4.下列何者不是軸系發生旋轉振動（Whirling vibration）現象的成因？
(A)軸系撓度（Deflection）過大
(B)軸心線（Shaft alignment）不正確
(C)軸承跨距過大
(D)主機轉速不穩定

4(A).

29.現代船舶中較少被採用的轉數檢出方式為何？
(A)離心力
(B)脈波頻率
(C)脈波計數
(D)電壓高低

5(B).

18. The ______ of tanks containing liquids such as fuel, water, slops, ballast and various bilges should be noted.
(A) sizes
(B) levels
(C) temperature
(D) pressure

6(B).

14. 關於空壓機的說法，下列何者錯誤？
(A) 各級間冷卻後的氣溫越低越好
(B) 氣缸冷卻水溫度越低越好
(C) 排氣冷卻有的可以省去
(D) 應使油溫保持合適

7(C).

21. 如圖所示，燃油經過電容感測元件偵測到水份時，電磁閥8打開，污水由何處排出？

(A) 1
(B) 2
(C) 14
(D) 18

8(C).

往復泵的自吸能力主要與泵的何者有關？
(A)活塞的運動速度
(B)電機功率
(C)密封性能
(D)轉速

9(C).

20.Which component of diesel engine is inserted in a cylinder block and enclosed at the top by a cylinder head to form the combustion space above the piston?
(A)Water jacket
(B)Cylinder liner
(C)Piston crown
(D)Scavenging ports

10(A).

37. 在下列何種泵在船上不會做為多級離心泵?
(A) 貨油泵
(B) 消防泵
(C) 通用泵
(D) 輔鍋爐給水泵

11(B).

38.When the smoky exhaust from the main diesel engine is observed, what is the possible condition for this engine ?
(A)Overloaded condition
(B)Normal condition
(C)Exhaust leakage
(D)Satisfactory condition

12(A).

10. What will occur when two dissimilar metals are electrically coupled in the presence of an electrolyte such as sea water?
(A) General corrosion
(B) Galvanic corrosion
(C) Crevice corrosion
(D) Selective-phase corrosion