22.下列那種因素,不會影響到淨油機中油水界面(Interface)的位置?(A)油水溫度(Temperature)(B)油水密度(Density)(C)比重盤(Gravity disk)(D)有翼轉
23.Which type of valve is designed to open when the inlet pressure exceeds a set maximum valueand di
24.In which type of turbocharging, the exhaust gas from all of the cylinders enters a commonmanifold
25.Which component is used in a diesel engine to convert the reciprocating motion into rotationalmot
28.在軸系(Shafting)震動種類中,下列何種震動屬於非強迫震動型?(A)縱向震動(Longitudinal vibration)(B)橫向震動(Transverse vibration)(C)
31.依照船級協會的要求,所需納入計算管子最大允許壓力(Maximum allowable pressure)的參數包括:管壁厚度、管子外徑、流體溫度、以及下列何者?(A)管材應力(B)加工常數(C)
32.下列何種閥最適用於壓艙水系統等大口徑低壓管路上?(A)閘門閥(Gate valve)(B)球型閥(Ball valve)(C)止回閥(Check valve)(D)蝶型閥(Butterfly v
33.下列何種泵,不屬於正排量泵(Positive displacement pump)?(A)離心式泵(Centrifugal pump)(B)齒輪泵(Gear pump)(C)輪葉泵(Vane p
34.一般商船在到達港口之前,會將海底門(Sea chest)從低位換成高位,主要理由為何?(A)避免遭污泥堵塞(B)抽取較高水溫的冷卻水(C)配合船舶水深的改變(D)提高維護海底門過濾器(Strai
35.輔鍋爐或廢熱鍋爐系統中,給水經循環泵送入節熱器,產生之蒸汽提供燃油加熱等用途,加熱後之蒸汽,經過疏水冷卻器回至熱井,再由給水泵打至鍋爐,所完成的是下列何種循環?(A)氣水(B)爐水(C)預熱(D
38.When the smoky exhaust from the main diesel engine is observed, what is the possible conditionfor