---

A vessel has been equipped with an oil lubricated stern bearing and is undergoing a routine dry-dock.Which of the following inspection should be made when the tail-shaft has been drawn?（）
A:The overall condition of the bearing surface should be examined
B:The shaft liner should be inspected for cracks and tested to insure a tight fit
C:The stern tube should be tested for cracks with dye penetrant
D:all of above

---

出自：海船船员证

显示答案