8. 真空蒸餾式海水淡化裝置,因真空度過高,製造出的淡水品質下降,最好採取下列何種方法改善淡水品質?(A) 增大加熱熱水的流量(B) 減少冷卻水的流量(C) 減少真空泵的排量(D) 減少加熱熱水的流量
14. In general, a cylinder of a diesel engine consists of a cylinder ____ that is inserted in a cyli
15. Fuel is injected into the cylinders of a diesel engine towards the end of_________stroke.(A) int
16. Which machinery does not involve in the hull machinery systems?(A) Steering gear(B) Bow or stern
18. Although the majority of low-speed engines and many medium-speed engines are operated on heavy f
19. Viscosity is a measure of a fuel’s resistance to flow. The viscosity of a petroleum oil increase