A.A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern
B.A vessel is dead in the water when the back wash from astern operation reaches the bow
C.A tunnel bow thruster can be used in an emergency to reduce the stopping distance
D.When a vessel is dead in the water any speed displayed by doppler log reflects the current
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A.It has a small GM
B.It pitches heavily
C.It has an unusually high center of gravity
D.Its period of roll is short
A.Slightly higher fuel consumption
B.Lack of directional control when backing
C.Inefficient at high shaft RPM
D.Some unusual handling characteristics
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
最新試題
Point Judith Harbor of Refuge（）.
In order to benefit from the use of storm oil in heavy seas，the storm oil should be spread （）.
Which statement is TRUE of a stiff vessel? （）
The angular movement of a vessel about a horizontal line drawn from its bow to its stern is （）.
When the period of beam seas equals the natural rolling period of a vessel，what will most likely occur?（）
Which change in the condition of the seas could indicate the formation of a tropical storm or hurricane several hundred miles from your location? （）
Which statement about stopping a vessel is TRUE?（）
When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.
Which is TRUE of a stiff vessel? （）
Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller? （）