單項(xiàng)選擇題Beams are cambered to().

A.increase their strength
B.provide drainage from the decks
C.relieve deck stress
D.All of the above


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題Because of the arrangement of the cell guuides, the most important factor while loading containers is the().

A.contents of the container
B.list of the vessel
C.size of the shoreside crane
D.weight of the container

2.單項(xiàng)選擇題Before loading bulk grain, bilge wells must be covered to().

A.add strength to the bilge well strainer
B.permit rapid flow of water to the bilge wells
C.prevent cargo sifting into the bilge wells
D.preven oil, water , or other liquid from reaching the cargo

3.單項(xiàng)選擇題Before welding can be done in a tank that has carried petroleum products, a certificate must be obtained from().

A.the customs
B.the register bureau of shipping
C.the shipyard fire department
D.a certified gas chemist

4.單項(xiàng)選擇題Between the side frames on a vessel, support for the deck beams is provided by().

A.stanchion
B.brackets
C.web frames
D.deck stringers

5.單項(xiàng)選擇題Bilge keels are fitted on ship to().

A.assist in drydock alignment
B.improve the vessel's stability
C.protect the vessel from slamming against piers
D.reduce the rolling of the vessel