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If you do NOT understand the course or intention of an approaching vessel you should sound ___________.A.one short blastB.one prolonged blastC.not less than five short blastsD.not less than five prolonged blasts

题目

If you do NOT understand the course or intention of an approaching vessel you should sound ___________.

A.one short blast

B.one prolonged blast

C.not less than five short blasts

D.not less than five prolonged blasts

相似考题

1.You are approaching another vessel and see that she has the signal flag "J" hoisted. What should you do?A.Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargoB.Attempt to call the vessel on VHF radiotelephone because she is requesting to communicateC.Approach the vessel with caution because she is dragging her anchorD.Proceed on present course and speed since the vessel is requesting a tug

2.Your vessel is crossing a narrow channel．A vessel to port is within the channel and crossing your course．She is showing a black cylinder．What is your responsibility ________．A.Hold your course and speedB.Sound the danger signalC.Begin an exchange of passing signalsD.Do not cross the channel if you might impede the other vessel

3.A vessel is approaching from dead ahead.Both of her sidelights are visible and her range lights are in line. Which of the following could you do first? ______.A.Sound one blast of the whistleB.Alter course to starboardC.Construct a radar plotD.Sound the danger signal

4.While proceeding to a distress site，you hear the words “Seelonce mayday” on the radiotelephone．Which action should you take ________．A.Resume base course and speed as your assistance is no longer requiredB.Acknowledge receipt and advise your course，speed，and ETAC.Relay the original distress message as no other vessel has acknowledged itD.Monitor the radiotelephone but do not transmit

更多“If you do NOT understand the course or intention of an approaching vessel you should sound ”相关问题

  • 第1题：

    By radar alone, you detect a vessel ahead on a collision course, about 3 miles distant. Your radar plot shows this to be a meeting situation. You should ______.

    A.turn to port

    B.turn to starboard

    C.maintain course and speed and sound the danger signal

    D.maintain course and speed and sound no signal


    正确答案：B
    单独通过雷达，你在前方探测到一艘船在碰撞航向上，大约3海里远。你雷达的标绘显示这将是会遇事态。你应向右转向。

  • 第2题：

    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


    正确答案：D
    在雾中你观测雷达并确定与在你左舷船首2海里处的船舶存在碰撞危险。你应尽可能早地采取避碰行动

  • 第3题：

    单选题
    You are in charge of a stand-on vessel in a crossing situation.The other vessel is 1.5 miles to port.You believe that risk of collision exists.You should（）.
    A

    take avoiding action immediately upon determining that risk of collision exists

    B

    immediately sound the danger signal

    C

    take avoiding action only after providing the give-way vessel time to take action ,and determining that her action is not appropriate

    D

    hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collision


    正确答案： C
    解析： 暂无解析

  • 第4题：

    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 vessel

    B

    cross only if the vessel in the channel is approaching on your port side

    C

    not cross the channel if you might impede the other vessel

    D

    sound the danger signal


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    Your vessel is approaching a bend. You hear a prolonged blast from around the bend. You should （）.
    A

    back your engines

    B

    stop your engines and drift

    C

    answer with one prolonged blast

    D

    sound the danger signal


    正确答案： C
    解析： 暂无解析

  • 第6题：

    单选题
    Which statement is TRUE concerning the danger signal?（）.
    A

    When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal

    B

    Only the stand-on vessel can sound the danger signal

    C

    Distress signals may be used in place of the danger signal

    D

    The danger signal consists of 4 or more short blasts of the whistle


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    You are on watch and the Pilot has the conn.The Master has temporarily gone below.The Pilot orders a course change which you are certain will put the vessel into imminent danger.Your first action should be to（）.
    A

    Countermand the order and immediately notify the Master

    B

    Make an appropriate entry in the deck log concerning the Pilot's order

    C

    Immediately call the Master and await further orders from him

    D

    Immediately sound a short ring on the general alarm


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    Your vessel is NOT making way，but is not in any way disabled.Another vessel is approaching you on your starboard beam.Which statement is TRUE（）.
    A

    Your vessel is obligated to stay out of the way

    B

    The other vessel must give way，since your vessel is stopped

    C

    You should be showing the lights or shapes for a vessel not under command

    D

    You should be showing the lights or shapes for a vessel restricted in her ability to maneuver


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    While proceeding to a distress site，you hear the words “Seelonce mayday” on the radiotelephone.Which action should you take（）.
    A

    Resume base course and speed as your assistance is no longer required

    B

    Acknowledge receipt and advise your course，speed，and ETA

    C

    Relay the original distress message as no other vessel has acknowledged it

    D

    Monitor the radiotelephone but do not transmit


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    You are underway in reduced visibility.You hear the fog signal of another vessel about 20° on your starboard bow.Risk of collision may exist.You should（）.
    A

    alter course to starboard to pass around the other vessel

    B

    reduce your speed to bare steerageway

    C

    slow your engines and let the other vessel pass ahead of you

    D

    alter course to port to pass the other vessel on its portside


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    At sea，you are approaching a small vessel and see that it has the signal flag P hoisted. What should you do?（）.
    A

    Proceed on present course and speed since the vessel is stopped and making no way through the water

    B

    Keep clear of the vessel because it has a diver down

    C

    Attempt to call the vessel on VHF radiotelephone because someone on board requires medical assistance

    D

    Approach with caution because the vessel is a fishing vessel and its nets are fouled on an obstruction


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    At night，if you see a vessel ahead displaying the lights shown you should（）.
    A

    provide assistance as the vessel is in distress

    B

    stay clear as the vessel is transferring dangerous cargo

    C

    stay clear as the vessel is fishing

    D

    change course to the right as the vessel is crossing your bow


    正确答案： C
    解析： 暂无解析

  • 第13题：

    If your vessel is the stand-on vessel in a crossing situation ______.

    A.you must keep your course and speed

    B.you may change course and speed as the other vessel must keep clear

    C.the other vessel must keep her course and speed

    D.both vessels must keep their course and speed


    正确答案：A
    假如在交叉态势中你船是直航船你必须保向保速。

  • 第14题：

    单选题
    You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen．You should sound（）.
    A

    one blast，4 to 6 seconds in duration

    B

    three blasts，4 to 6 seconds in duration

    C

    one continuous blast until you are able to see around the bend

    D

    one blast，8 to 10 seconds in duration


    正确答案： D
    解析： 暂无解析

  • 第15题：

    单选题
    Two vessels are approaching each other near head on. What action should be taken to avoid collision?（）.
    A

    The first vessel to sight the other should give way

    B

    The vessel making the slower speed should give way

    C

    Both vessels should alter course to starboard

    D

    Both vessels should alter course to port


    正确答案： D
    解析： 暂无解析

  • 第16题：

    单选题
    You are aboard the give-way vessel in a crossing situation．What should you NOT do in obeying the Rules（）.
    A

    Cross ahead of the stand-on vessel

    B

    Make a large course change to starboard

    C

    Slow your vessel

    D

    Back your vessel


    正确答案： C
    解析： 暂无解析

  • 第17题：

    单选题
    You are in charge of a power-driven vessel navigating at night.You sight the red sidelight of another vessel on your port bow.The other vessel’s aft masthead light is to the right of her forward masthead light. You should（）.
    A

    stop engines

    B

    hold course and speed

    C

    alter course to port

    D

    sound the danger signal


    正确答案： C
    解析： 暂无解析

  • 第18题：

    单选题
    If you do NOT understand the course or intention of an approaching vessel you should sound （）.
    A

    one short blast

    B

    one prolonged blast

    C

    not less than five short blasts

    D

    not less than five prolonged blasts


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    A vessel is approaching from dead ahead． Both of her sidelights are visible and her range lights are in line. Which of the following could you do first?（）.
    A

    Sound one blast of the whistle

    B

    Alter course to starboard

    C

    Construct a radar plot

    D

    Sound the danger signal


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    You are approaching another vessel and see that it has the signal flag “O” hoisted．What is your next action（）.
    A

    Proceed on present course and speed since the vessel is requesting a pilot

    B

    Attempt to call the vessel on VHF radiotelephone and begin a search because the vessel has a man overboard

    C

    Attempt to call the vessel on VHF radiotelephone because it is disabled

    D

    Approach with caution because the vessel is stopped and making no way through the water


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    If help has not arrived in 10-12 hours after you abandon a vessel in a survival craft，you should（）.
    A

    go in one direction until the fuel runs out

    B

    plot a course for the nearest land

    C

    take a vote on which direction you should go

    D

    shut down the engine(s) and set the sea anchor


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    You are approaching another vessel and see that she has the signal flag “J” hoisted. What should you do?（）
    A

    Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargo

    B

    Attempt to call the vessel on VHF radiotelephone because she is requesting to communicate

    C

    Approach the vessel with caution because she is dragging her anchor

    D

    Proceed on present course and speed since the vessel is requesting a tug


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made.You should（）.
    A

    hold course and sound a two blast whistle signal

    B

    hold course and sound no whistle signal

    C

    change course to the right and sound one blast

    D

    hold course and sound two prolonged and two short blasts


    正确答案： D
    解析： 暂无解析

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