單項(xiàng)選擇題

（）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

你可能感興趣的試題

單項(xiàng)選擇題

（）about 20 sq.m to be sand-blasted.

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

單項(xiàng)選擇題

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

（）of the following items is not in the charge of Chief Officer in repairing operation.

你可能感興趣的試題

（）about 20 sq.m to be sand-blasted.

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

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