23.What is the hottest component in a gas turbine engine?(A)Turbine(B)Nozzle(C)Combustor(D)Recuperat
27.螺槳造成柴油主機發生過扭(Torque rich)現象時,下列何者不屬於正確的應對措施?(A)調整軸心線(Shaft alignment)(B)割除部分葉尖(Blade tip cut)(C)葉
28.有關雙俥軸船的螺槳佈置敘述,下列何者錯誤(螺槳轉向定義為自船艉向船艏看)?(A)外轉方式可避免捲入水面浮物(B)螺槳右舷逆時左舷順時轉向稱內轉方式(C)螺槳右舷順時左舷逆時轉向稱外轉方式(D)右
29.有關軸系的震動頻率(Vibration frequency)之敘述,下列何者錯誤?(A)震動頻率係指每次震動的間隔時間(B)每秒震動數,單位為赫茲(Hertz;Hz)(C)每分震動數,單位為C.
30.艉軸管軸封系統艉軸管之油壓設定其壓力為何?(A)小於海水壓力2.0~3.0 kg/cm2(B)等於海水壓力(C)大於海水壓力2.0~3.0 kg/cm2(D)大於海水壓力0.2~0.3 kg/c
32.一般所稱細濾器(Filter),指的是網目(Mesh)多大的濾器?(A)100目(Mesh)以下(B)100至250目(Mesh)之間(C)250至500目(Mesh)之間(D)500目(Mes
33.下列何種型式的泵當中,所輸送的流體並不流經泵的噴嘴入口處?(A)離心式泵(Centrifugal pump)(B)齒輪泵(Gear pump)(C)噴射泵(Injection pump)(D)往
38.Which type of response will be excited for the shafting system if the frequency of a vibratoryloa
39.Which type of marine propulsive engine has little tolerance for the low quality of fuel?(A)Diesel