单项选择题

A Danforth lightweight anchor does NOT hold well in which type of bottom? （）

A.Mud
B.Grass
C.Sand
D.Clay

<上一题目录下一题>

热门试题

单项选择题

Your 15-meter tug is underway and crossing a deep and narrow channel. A large container vessel is off your port bow on a steady bearing. Which statement is TRUE concerning this situation? （）.

A.You should maintain course and speed
B.The container vessel is the stand-on as it is the larger vessel
C.You are not to impede the safe passage of the container vessel in the channel
D.None of the above

单项选择题

Your vessel has anchored in a channel known to have strong tidal currents. To check your position you take a round of bearings，one of which is a range in line. One hour later the bearing on the lights in range opens up. This indicates the ship is（）.

A.swinging
B.dredging her anchor
C.taking bearings of the lights
D.taking distances of the lights