15 依據送風機的基本理論，有關送風機所需馬力與送風機轉速的比例關係，下列何者正確？(A)送風機所需馬力與轉速成正比 (B)送風機所需馬力與轉速的平方成正比 (C)送風機所需馬力與轉速的立方成正比 (
24.The lubricant oil in the bearing is drawn from a , usually located in the bedplate of the diesele
25.Current changing in direction with rising and falling amplitude is .(A)AC (Alternating Current) (
26.A dirty oil filter element is usually checked out by .(A)visual inspection of the elements (B)the
32.有關泵輸出功率的敘述，下列何者正確？(A)單位重量的液體所增加的機械能 (B)單位時間內傳給單位液體的機械能 (C)單位時間內排出液體，實際得到的機械能 (D)單位時間內排出液體，理論吸收的機械
19 依據甲板機械之廣義的定義，下列何者正確？(A)凡裝置在機艙以外，而與主推進系統無關的動力傳動機械，可稱為甲板機械 (B)凡裝置在機艙以內，而與主推進系統無關的動力傳動機械，可稱為甲板機械 (C)
37.The cylinders, with cooling jackets, are to the engine frame by eight tie rods.(A)screwed (B)weld