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
The BEST way to steer a twin-screw vessel if you lose your rudder is by using（）.
Which statement about stopping a vessel is TRUE?（）
The forward movement of a ship in one revolution of its propeller is measured by（）.
When a deck cargo is secured with chain or wire lashings and grab (pear) links，which statement is FALSE?（）
To prevent damage by and to storage batteries aboardsmall passenger vessels they should be located（）.
The angular movement of a vessel about a horizontal line drawn from its bow to its stern is （）.
If your vessel has a GM of one foot and a breadth of 50 feet，what will be your full rolling period? （）
What indicates that a tropical cyclone may be within 500 to 1，000 miles of your position?（）
Which will NOT reduce yawing of a tow?（）
In order to benefit from the use of storm oil in heavy seas，the storm oil should be spread （）.