单项选择题
In the absence of external forces, the center of gravity of a floating vessel is located directly above the（）.
A.metacenter
B.amidships
C.center of floatation
D.geometric center of the displaced volume
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In the stowage of deck cargo, cribbing is（）.
A.placed on deck to support the cargo
B.separation pieces used to keep cylinders upright and steady
C.shims for stowing balded cargo
D.nets placed across the hatch opening to keep the cargo from falling in the hatch -
单项选择题
In vessel construction, a greater number of watertight bulkheads results in（）.
A.increased capacity to set flooding boundaries
B.decreased capacity to set flooding boundaries
C.reduced compartmentation
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单项选择题
In vessel construction. Beam brackets are triangular plates than join the deck beam to a（）.
A.bulkhead
B.frame
C.stanchion
D.deck longitudinal
