Your vessel is constrained by her draft and operating in a narrow channel. Another vessels crossing your course from starboard to port. You are in doubt as to her intention. According to rule 9,you ______. A. should sound one short blast to indicate that you are holding course and speed B. must sound one prolonged blast C. may sound the warning signal=danger signal=firv short blasts D. are required to back down

单选题

In which situation would you consider a risk of collision to exist?A. Vessel is one point on your starboard bow, range increasing, bearing changing slightly to the rightB. Vessel is broad on your starboard beam, range decreasing, bearing changing rapidly to the rightC. Vessel is two points abaft your port beam, range decreasing, bearing constantD. Vessel is on your starboard quarter, range increasing, bearing constant

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单选题

If your vessel is the stand-on vessel in a crossing situation ___ .A. you must keep your course and speedB. you may change course and speed as the other vessel must keep clearC. the other vessel must keep her course and speedD. both vessels must keep their course and speed

答案解析

单选题

If you are the stand-on vessel in a crossing situation, you may take action to avoid collision by your maneuver alone. When may this action be taken?A. At any time you feel it is appropriateB. Only when you have reached extremisC. When you determine that your present course will cross ahead of the other vesselD. When it becomes apparent to you that the give-way vessel is not taking appropriate action

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单选题

You are on a power-driven vessel in fog. Your vessel is proceeding at a safe speed when you hear a fog signal ahead of you. The rules require you to navigate with caution and, if danger of collision exists ___ .A. slow to less than 2 knots B. reduce to bare steeragewayC. stop your engines D. initiate a radar plot

答案解析

单选题

You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel. You should ____ .A. cross the channel as you are the stand-on vesselB. cross only if the vessel in the channel is approaching on your port sideC. not cross the channel if you might impede the other vesselD. sound the danger signal

答案解析