A.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
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A.Excessive pitching
B.Excessive yawing
C.Excessive rolling
D.No change should be evident
A.reduce the time the sounding tube is open
B.avoid creating a spark
C.lessen the effect of roll or pitch on the reading
D.lessen the effect of heave on the reading
A.reducing rolling
B.increasing rolling
C.reducing yawing
D.increasing yawing
A.pumped overboard to calm the seas
B.drained to the lower hull to reduce free surfaces
C.filled to ensure that sufficient fuel oil is available during a lengthy emergency
D.partially drained to increase free surfaces in order to reduce motions
A.broaching
B.pitchpoling
C.rolling
D.yawing
最新試題
The preferred method of controlling external bleeding is by（）.
In order to benefit from the use of storm oil in heavy seas，the storm oil should be spread （）.
When the period of beam seas equals the natural rolling period of a vessel，what will most likely occur?（）
The principal action in changing from transit to survival draft in the event heavy weather threatens is（）.
When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.
The distance that a ship moves forward with each revolutionof its propeller，if there is no slip，is called（）.
The distance between rivets in a row is known as the（）.
The time required to incline from bow down to stern down and return to bow down again is called（）.
Which statement concerning maneuvering in restricted visibility is FALSE?（）.
If your vessel has a GM of one foot and a breadth of 50 feet，what will be your full rolling period? （）