单项选择题

A damaged T-Boat that is unable to meet the requirement……

A damaged T-Boat that is unable to meet the requirementsof its Certificate of Inspection but is able to travel to a shipyard under its own power should（）.

A.make the trip only after obtaining a Permit to Proceed to Another Port for Repair，Form CG-948
B.get underway as soon as possible
C.hire a tug and pilot instead
D.request an Expiration Certificate if the vessel displays a tendency to sink

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单项选择题A bridge over a navigable waterway is being repaired. There is a traveller platform under the bridge’s deck that significantly reduces the vertical clearance. If required by the CG district commander，how will this be indicated at night?（）

A.Illumination by flood lights
B.A quick flashing red light at each lower corner
C.A strobe light visible both up and downstream
D.Fixed amber lights under the extreme outer edges of the traveller

单项选择题（）of the following items is not in the charge of Chief Officer in repairing operation.

A.hull cleaning
B.derusting and painting
C.the maintenance of boiler
D.docking and undocking

单项选择题（）about 20 sq.m to be sand-blasted.

A.The rusting area
B.The rusted area
C.The corroded area
D.The corrosive area

单项选择题Damaged bulkheads often take a permanent set which is independent of the panting or bulge caused by water pressure. To control this，you should（）.

A.install shoring so the shoring supports the damaged bulkheads without pushing on them
B.install shoring so that it pushes on the damaged bulkhead while supporting it
C.use jacks or chain falls to remove the set before installing shores
D.place sandbags by the bulkhead without installing shores