单项选择题

Fighting a fire in the galley poses the additional threat of（）.

A.contaminating food with extinguishing agent
B.spreading through the engineering space
C.loss of stability
D.a grease fire in the ventilation system

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单项选择题

During a stability test on a small passenger vessel（）.

A.the vessel must be moored snugly
B.each tank must be partially full to show it does not leak
C.all dunnage，tools，and extraneous items are secured
D.water under vessel must be deep enough to prevent grounding

单项选择题

Damage stability is the stability（）.

A.which exists when the wind speed is less than 50 knots
B.before collision
C.after flooding
D.at the maximum load

单项选择题

Cross curves of stability show which of the following（）.

A.The righting arms at various angles of inclination and displacement
B.The metacentric height at large angles of heel
C.The height of the center of buoyancy at various angles
D.The metacentric radius at various displacements