50 舵機的油壓泵,採用可變行程徑向活塞式泵,是利用何種裝置來調節油液的流出方向與流量大小?(A)傾斜箱(Tilting box) (B)閥板(Valve plate) (C)液壓缸體(Cylinde
3. 為改善軸封的潤滑效果,艉軸管前軸封之潤滑系統採用何種裝置以加速滑油循環及冷卻效果?(A) 循環器(Circulator)(B) 冷卻器(Cooler)(C) 過濾器(Strainer)(D) 增
7. 下列何種淨油機元件,除隨著淨油機高速旋轉外,還可上、下移動?(A) 比重盤(Gravity disk)(B) 有翼轉盤(Winged bowl disk)(C) 刮水盤(Water paring
17. Toachieve the processes required of the Brayton cycle, four basic components must be included, n
18. Which type of bearing may be lubricated by seawater in a main propulsion shafting system?(A) Thr
19. Strainersshould be provided with indicators to provide warning of the necessity for cleaning the
20. Whichequipments are commonly used to process oil-contaminated water to reduce the oilcontent for