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单选题If your vessel is underway in fog and you hear one prolonged and three short blasts，this indicates a（）.A vessel not under commandB sailing vesselC vessel in distressD vessel being towed

题目
单选题
If your vessel is underway in fog and you hear one prolonged and three short blasts，this indicates a（）.
A

vessel not under command

B

sailing vessel

C

vessel in distress

D

vessel being towed

相似考题

1.You are on international waters during a heavy rainstorm and hear a vessel sounding a fog signal of one prolonged blast followed by two short blasts． Which of the following could it be？Ⅰ．A vessel laying submarine cable making way．Ⅱ．A pilot vessel on station at anchor．A.Ⅰ onlyB.Ⅱ onlyC.Either Ⅰ or ⅡD.Neither Ⅰ nor Ⅱ

2.Approaching a anchorage in fog, you hear one short, one prolonged, and one short blast in that sequence on a ship’s whistle. This indicates ______.A.A vessel towedB.A vessel not under command and unable to maneuver.C.A vessel anchored giving warning of her position.D.A vessel stopped dead in the water.

3.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

4.On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a ______.A.vessel being towedB.fishing vessel engaged in trawlingC.vessel at anchor warning you of her locationD.power-driven pilot vessel on station underway

更多“If your vessel is underway in fog and you hear one prolonged”相关问题

  • 第1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2题：

    单选题
    You are in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.
    A

    stop your engines

    B

    sound two prolonged blasts of the whistle

    C

    sound the danger signal

    D

    slow to bare steerageway


    正确答案： C
    解析： 暂无解析

  • 第3题：

    单选题
    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)


    正确答案： C
    解析： 暂无解析

  • 第4题：

    单选题
    While underway at night you observe a vessel’s range lights in line off your starboard beam． You should（）.
    A

    come right

    B

    sound the danger signal

    C

    continue on your course

    D

    come left


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.
    A

    stop your engines

    B

    sound two prolonged blasts of the whistle

    C

    sound the danger signal

    D

    slow to bare steerageway


    正确答案： C
    解析： 暂无解析

  • 第6题：

    单选题
    You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel（）.
    A

    Towing

    B

    Engaged on pilotage duty

    C

    Aground in a fairway

    D

    Stopped and making no way through the water


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    A tug is towing three manned barges in line in fog. The first vessel of the tow should sound （）.
    A

    no fog signal

    B

    one short blast

    C

    one prolonged and three short blasts

    D

    one prolonged，one short，and one prolonged blast


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    While underway in thick fog you are on watch and hear the cry“man overboard”.Which type of maneuver should you make（）.
    A

    Figure eight turn

    B

    Round turn

    C

    Racetrack turn

    D

    Williamson turn


    正确答案： D
    解析： 暂无解析

  • 第9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10题：

    单选题
    A fog signal consisting of one prolonged blast followed by four short blasts would indicate thepresence of a（）.
    A

    vessel being towed

    B

    fishing vessel engaged in trawling

    C

    vessel at anchor warning of her location

    D

    power-driven pilot vessel on station underway


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    A whistle signal of one prolonged，one short，one prolonged and one short blast，is sounded by a vessel（）.
    A

    at anchor

    B

    towing a submerged object

    C

    being overtaken in a narrow channel

    D

    in distress


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    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


    正确答案： C
    解析： 暂无解析

  • 第13题：

    单选题
    The wind is ESE，and a sailing vessel is steering NW. Which fog signal should she sound?（）
    A

    One blast at one-minute intervals

    B

    One blast at two-minute intervals

    C

    Two blasts at one-minute intervals

    D

    One prolonged and two short blasts at two-minute intervals


    正确答案： B
    解析： 暂无解析

  • 第14题：

    单选题
    You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.
    A

    Reduce speed to bare steerageway

    B

    Stop your engines

    C

    Begin a radar plot

    D

    All of the above


    正确答案： A
    解析： 暂无解析

  • 第15题：

    单选题
    When your vessel enters thick fog，she should sound（）every two minutes in accordance with these Rules.
    A

    one short blast

    B

    one prolonged blast

    C

    two short blasts

    D

    three short blasts


    正确答案： A
    解析： 暂无解析

  • 第16题：

    单选题
    On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.
    A

    vessel being towed

    B

    fishing vessel engaged in trawling

    C

    vessel at anchor warning you of her location

    D

    power-driven pilot vessel on station underway


    正确答案： A
    解析： 暂无解析

  • 第17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18题：

    单选题
    While underway，in fog，you hear a whistle signal of one prolonged blast followed by two short blasts. This signal is sounded by a vessel（）.
    A

    not under command

    B

    being towed

    C

    on pilotage duty

    D

    aground


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    You are Master of a towing vessel engaged in towing three barges astern.The middle barge of the tow would be required to sound which of the following during restricted visibility （）.
    A

    No fog signal

    B

    A prolonged blast at intervals never to exceed more than two minutes

    C

    A prolonged blast followed by two short blasts at intervals never to exceed more than two minutes

    D

    A prolonged blast followed by three short blasts at intervals never to exceed more than one minute


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    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
    解析： 暂无解析

  • 第21题：

    单选题
    Approaching an anchorage in fog，you hear one short，one prolonged，and one short blast in that sequence on a ship’s whistle． This indicates（）.
    A

    A vessel towed

    B

    A vessel not under command and unable to maneuver

    C

    A vessel anchored giving warning of her position

    D

    A vessel stopped dead in the water


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    A vessel sounding a fog signal of one short，one prolonged，and one short blast is indicating that the vessel is（）.
    A

    fishing

    B

    in distress

    C

    at anchor

    D

    not under command


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    A 95-meter vessel aground sounds which fog signal? （）
    A

    A rapid ringing of a bell for 5 seconds every two minutes

    B

    A whistle signal of one short，one prolonged，and one short blast

    C

    A prolonged blast of the whistle at intervals not to exceed one minute

    D

    A rapid ringing of a bell for 5 seconds，preceded and followed by three separate and distinct strokes on the bell


    正确答案： C
    解析： 暂无解析

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