单项选择题
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
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相关考题
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单项选择题
Inspection of a vessel’s propeller during dry-dock should include （）
A.noting the condition of the fairwater
B.inspection of the keyway
C.logging inspection results in the official deck log
D.all of above -
单项选择题
When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?（）
A.The propeller hub taper and shaft keyway should be inspected for cracks or corrosion
B.The stern bearing alignment with the stern frame should be checked
C.The interior of the stern tube should be inspected for leaks
D.The shaft liner should be removed and inspected -
单项选择题
Which of the listed types of files is the best for producing a fine finish on metal?（）
A.Mill
B.Float
C.Warding
D.Second cut
