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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A.Mill
B.Float
C.Warding
D.Second cut
A.round out
B.round file
C.reamer
D.hole driller
A.low temperature hardening
B.case hardening
C.annealing
D.tempering
A.Develop ductility
B.Improve machining qualities
C.Relieves stresses
D.All of the above
A.Dye penetrant
B.Magnetic particle
C.Ultrasonic
D.All of the above
最新試題
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()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()