A.Slightly higher fuel consumption
B.Lack of directional control when backing
C.Inefficient at high shaft RPM
D.Some unusual handling characteristics
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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
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
最新試題
In order to benefit from the use of storm oil in heavy seas，the storm oil should be spread （）.
The angular movement of a vessel about a horizontal line drawn from its bow to its stern is （）.
One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by （）.
When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.
The BEST way to steer a twin-screw vessel if you lose your rudder is by using（）.
The preferred method of controlling external bleeding is by（）.
Which statement is TRUE of a stiff vessel? （）
The distance between rivets in a row is known as the（）.
The vertical movement of a vessel in the water is called（）.
When the period of beam seas equals the natural rolling period of a vessel，what will most likely occur?（）