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
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The tool used in precision work to smooth or enlarge a slightly undersized hole, is called()
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