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
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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
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
最新試題
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
The condensers located in various stages of a flash evaporator are cooled by（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
To proceed to the assistance of a ship in distress is（）