單項選擇題At that time my ship and others were()within 40 degrees of the compass.

A.yawing
B.moving
C.turning
D.pitching


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1.單項選擇題In order to benefit from the use of storm oil in heavy seas,the storm oil should be spread ().

A.around the rudder and screws
B.completely around the vessel
C.to leeward of the vessel
D.to windward of the vessel

2.單項選擇題Which statement about stopping a vessel is TRUE?()

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

3.單項選擇題Which change in the condition of the seas could indicate the formation of a tropical storm or hurricane several hundred miles from your location? ()

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

4.單項選擇題What indicates that a tropical cyclone may be within 500 to 1,000 miles of your position?()

A.A pumping of the barometer up and down a few millibars
B.A sudden wind shift from southwest to northwest followed by steadily increasing winds
C.The normal swell pattern becoming confused,with the length of the swell increasing
D.An overcast sky with steadily increasing rain from nimbostratus clouds

7.單項選擇題One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by ().

A.installing rat guards on the mooring lines when in port
B.keeping foods protected and avoiding the accumulation of garbage
C.eliminating possible living spaces for rats when the ship is constructed
D.trapping and/or poisoning the rats

8.單項選擇題Which statement concerning maneuvering in restricted visibility is FALSE?().

A.A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steerageway
B.A vessel which hears a fog signal forward of her beam shall stop her engines
C.A vessel which hears a fog signal forward of the beam shall navigate with caution
D.If a vessel determines by radar that a close-quarters situation is developing,she shall take avoiding action in ample time

10.單項選擇題Which will NOT reduce yawing of a tow?()

A.Increasing the length of the towing hawser
B.Trimming the tow by the bow
C.Trimming the tow by the stern
D.Drogues put over the stern