資訊推薦

• 30.二行程柴油機燃油高壓油泵當中針閥的錐角應與針閥體座面的錐角之間的差異有一定的限制 , 主要理由為何 ?(A)得以迅速切斷燃油(B)避免工作面拉傷(C)避免偶合面咬死(D)避免導致柱塞穴蝕
• 31.營運中的船舶每隔幾年便應進行一次保持船級的特別檢驗 ?(A)六年(B)五年(C)四年(D)三年
• 32.在船用柴油機活塞環的檢修工作當中 , 若發現活塞環表面有縱向拉痕 , 可判斷是甚麼原因引起的 ?(A)潤滑油的總鹼值過低(B)氣缸潤滑油水分(C)燃油中的硬質顆粒(D)燃油中的灰份
• 33.在幾道船用柴油機活塞環當中 , 最常折斷的是哪幾道 ?(A)第二 , 三 , 四道(B)第一 , 二道(C)第三 , 四道(D)最下方兩道
• 34.船用柴油機活塞環損壞一般採用以下甚麼方法處理 ?(A)研磨修整(B)焊補修整(C)鍍鉻修補(D)換新
• 35.一般在進行更換船用柴油機新活塞環時 , 有鍍鉻端面應該作為該環的哪一面 ?(A)左端面(B)右端面(C)上端面(D)下端面
• 36.一般在進行更換船用柴油機新活塞環時 , 以下何項所述為正確的安裝順序 ?(A)將新環裝在第三道環槽中(B)將新環裝在第四道環槽中(C)將舊環裝在第一道環槽中(D)將舊環裝在最後兩道環槽中
• 37.以下何項屬造成船用柴油機滑動軸承軸瓦燒熔的主要肇因 ?(A)潤滑油含水過多(B)潤滑油油壓不足(C)燃氣混入潤滑油(D)船上雜散電流
• 38.以下何項屬造成船用柴油機滑動軸承軸瓦腐蝕的主要肇因 ?(A)軸頸表面太粗糙(B)軸承間隙過小(C)潤滑油失壓(D)潤滑油氧化
• 39.船舶柴油引擎廢氣渦輪增壓器的渦輪端 , 進行噴水清洗時 , 須在甚麼情況下進行 ?(A)正常運轉(B)高負荷(C)低負荷(D)視清洗時間而定
• 40.船機零件在製造及使用過程中，產生缺陷損傷時，可採用一般檢驗法來檢查，下述何者不是 一般檢驗法之一 ?(A)觀察法(B)磁粉探傷法(C)聽響法(D)測量法
• 41.有關活塞環槽磨損，下列敘述何者不正確 ?(A)活塞環在環槽的往復運動造成(B)活塞環在環槽的徑向脹縮運動造成(C)活塞環在環槽的轉向及扭曲運動造成(D)活塞環在環槽的切線運動造成
• 2. The English-Lrish boy band has developed a strong and oftentiunes rabid______ since therelease of
• 3. The men were lined up in a long______ , making their way to the tecruiting office.(A) queue (B) r
• 4. Abandoning everything to the greedy grasp of those around bet, the mother darted, withdistraction
• 5. From the first my fellow-papils uised to tease and and ______mock me whenever I wassaying my less
• 6. While you ______onc sin and will not part with it, it must drag you down to misery afterdeath, as
• 7. Miny corporations crcate their cash flow or financing channels through ______becausethey can obta
• 8. Though I knew how to translate exactly what she had told me, I roalized that anytranslation would
• 9. The men called and listened as she had donc, and examincd the edge of the chasm, andscttled how i
• 10. As the construction project became______ in controversy, the government decided topostpone fundi
• 11. As we move toward a capitated health system, it will be imperative for health careorganizations
• 12. It was not that I was annoyed at her avidity but I was really stuck with the ______betweensuch a
• 13. What are your______ for deciding which words to include in this dictionary?(A) kinship (B) preju
• 14. Do not, I beg of you, ______today's sun with the showers of tomorrow.(A) dampen (B) picjudi