17. 船舶推進軸系統中,就對轉推進器(Contra-Rotating Propeller)示意圖而言,減速齒輪箱(Reducing Gear Box)應為下列何者? (A) (1)(B) (2)(C
19. 船舶推進軸系統中,就下圖而言(6)應為下列何者? (A) 前緣(leading edge)(B) 後緣(trailing edge)(C) 推力面(thrust surface)(D) 拉力面
21. 流體壓力若以完全真空為基準而測得之壓力為絕對壓力;若以大氣壓力為基準量得之壓力則為錶壓力,故真空度(Vacuum)等於下列何者?(A) 大氣壓力+絕對壓力(B) 大氣壓力-絕對壓力(C) 絕對
31. One kind of tools which are in common use for daily maintenance works on the shipdelivers an imp
36. Which one of instructions for safety precautions described in the working manual isincorrect?(A)