39. 大型船舶推進軸系負責傳達主機之推力至螺槳，其材料及製作方法採用下列何者？ (A) 不銹鋼鑄造 (B) 碳鋼鍛造 (C) 碳鋼鑄造 (D) 不銹鋼鍛造

6. Before the initial start of the engine after its installation, perform correct inspection and operational preparation and make sure there is no abnormality. Which one is incorrect? (A) Close the lubricating oil priming pump and the pressure indicator cocks of all the cylinders. (B) While turning the flywheel, make sure the lubricating oil is dropping from each part of the valve rocker arm shafts, piston pins, main bearings and swing arms. (C) Bleed the air from the lubricating oil strainer. (D) Manually lubricate the governor linkage, and make sure it moves smoothly.

39. 大型船舶推進軸系負責傳達主機之推力至螺槳，其材料及製作方法採用下列何者？
(A) 不銹鋼鑄造
(B) 碳鋼鍛造
(C) 碳鋼鑄造
(D) 不銹鋼鍛造

相關試題

相關試卷