單項選擇題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


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你可能感興趣的試題

1.單項選擇題The deck control valve to be（）after being repaired.

A.moved and fitted again
B.removed and refitted
C.reproduced and put on again
D.returned and attached again

3.單項選擇題Small hull leaks can be temporarily repaired by（）.

A.parcelling
B.parbuckling
C.caulking
D.seizing

4.單項選擇題The equipment is very old．It’s not worth（）.

A.repairing
B.to repair
C.repair
D.to be repaired

5.單項選擇題In comparison to electric power，hydraulic power for jacking systems has the advantage of（）.

A.better control capabilities
B.less maintenance and repair
C.fewer personnel needed during jacking
D.less preload needed

6.單項選擇題We have come on board to check with you on the main items of repairs as stated in the（）.

A.order list
B.repair list
C.store list
D.spare parts list

7.單項選擇題The “grip” of a joint represents the（）.

A.thickness of the connected members
B.diameter of the head
C.entire length of the rivet
D.diameter of the shank

8.單項選擇題Repairing damage to the hull at or above the waterline reduces the threat of（）.

A.free surface effects
B.capsizing
C.continued progressive flooding
D.wind heel

9.單項選擇題The two factors which make underwater hull repair difficult are accessibility and the（）.

A.availability of tools
B.shape of the hull
C.pressure exerted by the water
D.threat of progressive flooding

10.單項選擇題Please have the damage to the gangway（）.

A.repair
B.to repair
C.repairing
D.repaired