26. 有關離心式泵(Centrifugal pump)特性曲線(Characteristic curve)的敘述,下列何者正確?(A) 泵的最大效率,會出現在出口閥全開時(B) 泵的出口流量愈大,泵
27. 船舶推進效能, 其推進效率英文書寫下列何者正確?(A) Efficiency of engine(B) Efficiency of hull(C) Efficiency of propulsi
31. Which type of bearing may be lubricated by seawater in a main propulsion shafting system?(A) Thr
33. Which type of valve should be installed whenever an undesired reversal of flow is possible?(A) T
35. What is the most simple method of regulating steam flow in the steam supply to the turbine?(A) T
38. Which machinery is used to produce the electrical power?(A) Generator(B) Air compressor(C) Steer
39. Check valves must be provided on pump suctions to prevent pumping through the standbypump to the