问题：
[单选] If the weights are concentrated in the middle part，then（）will happen on board the ship.
hogging。stiffness。sagging。listing。
问题：
[单选] If the weights are moved away from the midship section，（）will happen on board.
hogging。sagging。stiff。tender。
问题：
[单选] If your vessel is aground at the bow，it would be preferable that any weight removals be made from the（）.
bow。mid-section。stern。All of the above。
问题：
[单选] In heavy weather you notice buckling in the midships deck plating of your vessel. To relieve the strain you could（）.
pump fuel oil from midships to the ends of the vessel。reduce speed。take a course which most eases the vessel。All of the above。
问题：
[单选] It is possible，and sometimes necessary，to strengthen the deck of a vessel for carriage of deck cargo by（）.
placing bunker on the deck。building a stage on which to place the cargo。welding steel feet to the deck，on which the cargo is placed。erecting vertical pillars under the deck to support the cargo。
问题：
[单选] Keel scantlings of any vessel are greatest amidships because（）.
connections between forebody and afterbody are most crucial。of maximum longitudinal bending moments。of severest racking stresses。resistance to grounding is at a maximum amidshi。
问题：
[单选] Structural stress levels in a ship are the sum of loading stresses and stresses due to（）.
environmental loads。variable loads。ballast loading。mooring load。
问题：
[单选] Structural stress on a ship can be reduced by（）.
lessening the effect of environmental forces。even and symmetrical variable loading。local concentration of heavy consumables。increasing the metacentric height。
问题：
[单选] The deck beam brackets of a transversely framed vessel resist（）.
hogging stresses。sagging stresses。racking stresses。shearing stresse。
问题：
[单选] The deck loads on a ship are distributed through the deck beams to the（）.
frames。hull。stringers。plate。
