A.Strands,yarns,circumference
B.Strands,wires,diameter
C.Wires,yarns,diameter
D.Strands,circumference,wires
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A.Mud
B.Grass
C.Sand
D.Clay
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
A.swinging
B.dredging her anchor
C.taking bearings of the lights
D.taking distances of the lights
最新試題
A “Mediterranean moor” should be used when().
When anchoring,good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use().
The centre of lateral resistance is().
What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions().
When weighing anchor in a rough sea,how would you avoid risk of damaging the bow plating ().
You are riding to a single anchor.The vessel is yawing excessively.Which action should be taken to reduce the yawing().
A()is the intersection of the surface of a sphere and a plane passing through the center of the sphere.
When dropping anchor,you are stationed at the windlass brake.The most important piece(s)of gear is(are)().
You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel().
Mariners should ensure correct()of aids to navigation during twilight periods when some lighted aids to navigation are lit while others are not.