單項(xiàng)選擇題
A.large GM B.high center of gravity C.excessive free surface D.small GZ
A.increase the trim B.change the free surface effect C.cause a serious list D.decrea e ship stabilty
A.runs from a low supporting level up to the cargo at an angle B.is also known as a distance piece C.is placed on the deck under the cargo to distribute its weight evently D.is run horizontally from a support to the cargo
A.blind flange B.pivot coupling C.quick-release coupling D.spectacle flange
A.increase the lifting capacity B.increase the lifting radius C.protect the slings D.protect the upper part of a load
A.bar securing a cargo port B.centerline vertical bulkhead C.deep beam D.spanner stay
A.pressed B.slack C.inertial D.elemental
A.Bagged cargo B.Bulk grain C.Bulk rice D.Refrigerated goods
A.increase reserve buoyancy B.decrease the righting moment C.decrease KG D.increase KM
A.decrease in KM is equal to the loss of draft B.virtual rise of G is directly proportional to the remaining draft C.lost buoyancy method is used to calculate KM, and KB is reduced D.displa ement lost acts at the point where the ship is aground
A.The vessel has negative GM B.The center of gravity is on the centerline C.The list can be corrected by reducing KM D.The vessel has asymmetrical weight distribution
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