3. 船舶推進軸系之扭轉震動,在船舶建造完成後均實際測量發生共振現象之轉速範圍,此轉速稱作什麼?(A) 臨界轉速(Critical speed)(B) 安全轉速(Safety speed)(C) 最大
7. 淨油機中,若待淨燃油加熱溫度降低,油水界面變動,故需改選比重盤,下列敘述何者正確?(A) 油水界面內移,改選小號比重盤(B) 油水界面外移,改選小號比重盤(C) 油水界面內移,改選大號比重盤(D
12. 舵機艙內之「緊急液壓舵板穩定系統」,何種裝置直接連接在液壓缸上,經人工操作,可由此閥隔離舵機原有的主管路並取而代之,成為一獨立給油系統,以維持舵機之功 能? (A) 閘閥 (B) 球閥 (C)
15. 柴油機船輪機日誌的『氣缸冷卻水』其英文為:(A) Jacket cooling fresh water (B) Piston cooling fresh water (C) Turbo coo
16. Lubricant oil filters remove contaminants more efficiently if the oil-bearing filtered is .(A) u
17. The company should ensure that the documents are promptly removed.(A) absolute (B) updated (C) o
18. scavenging means that both exhaust and scavenging ports are arranged on the sameside of cylinder