单项选择题

A.stop your enginesB.sound the danger signal at two-min……

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

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热门试题

单项选择题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

单项选择题In determining if risk of collision exists the following considerations shall be among（）.

A.these taken into calculation
B.those taking into account
C.that taken into account
D.those taken into account

单项选择题In a crossing situation on open waters，a sailing vessel shall keep out of the way of all the following vessels EXCEPT a vessel（）.

A.not under command
B.restricted in her ability to maneuver
C.engaged in towing
D.fishing

单项选择题If your vessel is underway in fog and you hear one prolonged and three short blasts，this is a （）.

A.vessel not under command
B.sailing vessel
C.vessel being towed (manned)
D.vessel being towed (unmanned)

单项选择题If there is sufficient sea room，alteration of（）may be the most effective action to avoid close-quarters situation.

A.speed and course
B.speed alone
C.course alone
D.speed or course