單項選擇題In restricted visibility a towed vessel must sound a fog signal when it is().

A.the last vessel in the tow
B.the last vessel in the tow and it is carrying a crew
C.manned,regardless of its position in the tow
D.None of the above are correct


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1.單項選擇題In reduced visibility,you hear two prolonged blasts of a whistle. This signal is sounded by a ().

A.power-driven vessel dead in the water
B.sailing vessel on the port tack
C.vessel not under command
D.vessel fishing with nets

3.單項選擇題In order for a vessel to be engaged in fishing she must be().

A.underway
B.using gear which extends more than 50 meters outboard
C.using a seine of some type
D.using gear which restricts her maneuverability

4.單項選擇題In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should().

A.stop your engines
B.sound the danger signal at two-minute intervals
C.hold course and speed until the other vessel is sighted
D.take avoiding action as soon as possible

5.單項選擇題In determining safe speed,the Rules list all of the following as factors which must be taken into account EXCEPT the().

A.limitations of radar equipment
B.presence of background lights at night
C.maximum horsepower of your vessel
D.maneuverability of your vessel