單項(xiàng)選擇題In ship construction, frame spacing is（）.

A.greater at the bow and stern
B.reduced at the bow and stern
C.uniform over the length of the vessel
D.uniform over the length of the vessel, with the exception of the machinery spaces, where it is reduced due to increased stresses


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1.單項(xiàng)選擇題In the absence of external forces, adding weight on one side of a floating vessel causes the vessel to（）.

A.heel until the angle of loll is reached
B.list until the center of buoyancy is aligned vertically with the center of gravity
C.trim to the side opposite TCG until all moments are equal
D.decrease draft at the center of flotation

2.單項(xiàng)選擇題In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.

A.center of gravity
B.amidships station
C.center of flotation
D.geometric center of the waterplane area

3.單項(xiàng)選擇題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

4.單項(xiàng)選擇題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

5.單項(xiàng)選擇題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
D.greater deck load capacity