单项选择题
We took usual steps:sounding the depth, reversing and stopping engine,paying out anchor and 60 fathoms of chain cable in the depth of 12 fathoms.The operation above is（）.
A.berthing
B.searching
C.anchoring
D.picking up pilot
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相关考题
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单项选择题
Which of the following is not a factor which can interfere with the pulse of sound and cause a variation the depth reading?（）
A.salinity
B.temperature
C.the hydrostatic pressure
D.Vessel’s speed -
单项选择题
Who can contact the Designed Person?（）
A.the designated person
B.the captain
C.all senior officer
D.all officers and crew -
单项选择题
When shall the stand-on vessel change course and speed?（）
A.the stand-on vessel may change course and speed at any time as it has the right of way
B.after the give-way vessel sounds one blast in a crossing situation
C.when action by the give-way vessel alone cannot prevent collision
D.when the two vessels become less than half a mile apart
