默认题库 - 大风浪中航行

单选题

What indicates that a tropical cyclone may be within 500 to 1，000 miles of your position?（）

A pumping of the barometer up and down a few millibars
B. A sudden wind shift from southwest to northwest followed by steadily increasing winds
C. The normal swell pattern becoming confused，with the length of the swell increasing
D. An overcast sky with steadily increasing rain from nimbostratus cloud

查看答案

单选题

When a vessel is swinging from side to side off course due to quartering seas，the vessel is （）.

A. broaching
B. pitchpoling
C. rolling
D. yawing

查看答案

单选题

When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.

A. reducing rolling
B. increasing rolling
C. reducing yawing
D. increasing yawing

查看答案

单选题

Which change in the condition of the seas could indicate the formation of a tropical storm or hurricane several hundred miles from your location? （）

A long swell from an unusual direction
B. A lengthy lull in the wind and seas
C. Large seas coming from different directions
D. A brisk chop from the southeast

查看答案

单选题

Which is TRUE of a stiff vessel? （）

A. It has a small GM
B. It pitches heavily
C. It has an unusually high center of gravity
D. Its period of roll is short

查看答案

单选题

Which statement concerning maneuvering in restricted visibility is FALSE?（）.

A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steerageway
B. A vessel which hears a fog signal forward of her beam shall stop her engines
C. A vessel which hears a fog signal forward of the beam shall navigate with caution
D. If a vessel determines by radar that a close-quarters situation is developing，she shall take avoiding action in ample time

查看答案

单选题

Which statement is TRUE of a stiff vessel? （）

A. She will have a large metacentric height
B. Her period of roll will be large due to her large metacentric height
C. She will have an unusually high center of gravity
D. She will pitch heavily

查看答案

单选题