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________is the most visible signal of distress from a lifeboat at sea in the daytime.A.Smoke signalB.Flash signalC.Fire signalD.Radio emergency transmission

题目

________is the most visible signal of distress from a lifeboat at sea in the daytime.

A.Smoke signal

B.Flash signal

C.Fire signal

D.Radio emergency transmission

相似考题

1.When using a hand held smoke signal from a lifeboat, you should activate the signal _____.A.on the downwind sideB.on the upwind sideC.inside the boatD.at the stern

2.An orange flag showing a black circle and square is a ______.A.signal indicating a course changeB.distress signalC.signal of asking to communicate with another vesselD.signal indicating danger

3.The most suitable mode of transport for the goods which have to be moved by a vessel from a port in one country to a port in another country and then by rail to a second port city in the second country is （）.A、mini-bridgeB、sea trainC、sea/airD、piggyback

4.What is the most appropriate action for a GMDSS radio operator to take in a distress situation where immediate help is needed，but the vessel is not sinking nor needs to be abandoned ________．A.Switch off EPIRB and SART manuallyB.Transmit distress call by MF/HF，VHF or INMARSATC.Notify the RCC（Rescue Coordination Center）through VHF FM on channel 13D.Transmit distress call by activating the radiotelegraph automatic alarm signal

更多“________is the most visible signal of distress from a lifeboat at sea in the daytime.A.Smo ”相关问题

  • 第1题：

    单选题
    Releasing oil from the sea anchor of a lifeboat may（）.
    A

    keep the propeller from being fouled

    B

    increase propeller speed

    C

    help calm the waves in the vicinity of the craft

    D

    increase the holding power of the sea anchor


    正确答案： C
    解析： 暂无解析

  • 第2题：

    单选题
    A person has fallen overboard and is being picked up with a lifeboat. If the person appears in danger of drowning，the lifeboat should make（）.
    A

    an approach from leeward

    B

    an approach from windward

    C

    the most direct approach

    D

    an approach across the wind


    正确答案： D
    解析： 暂无解析

  • 第3题：

    单选题
    （）is the most visible signal of distress from a lifeboat at sea in the daytime.
    A

    Smoke signal

    B

    Flash signal

    C

    Fire signal

    D

    Radio emergency transmission


    正确答案： D
    解析： 暂无解析

  • 第4题：

    单选题
    One of the signals，other than a distress signal，that can be used by a vessel to attract attention is a(n)（）.
    A

    red star shell

    B

    searchlight

    C

    burning barrel

    D

    orange smoke signal


    正确答案： B
    解析： 暂无解析

  • 第5题：

    单选题
    Which is NOT a distress signal? （）
    A

    A continuous sounding with any fog signal apparatus

    B

    A signal sent by radiotelephone consisting of the spoken word Mayday

    C

    An International Code Signal of N.C.

    D

    The firing of green star rockets or shells


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    Which is a distress signal? （）
    A

    A triangular flag above or below a ball

    B

    The International Code Signal of distress indicated by JV

    C

    A green smoke signal

    D

    Flames on the vessel as from a burning tar barrel


    正确答案： B
    解析： 暂无解析

  • 第7题：

    单选题
    Which signal is recognized as a distress signal?（）.
    A

    Directing the beam of a searchlight at another vessel

    B

    A smoke signal giving off orange colored smoke

    C

    A whistle signal of one prolonged and three short blasts

    D

    International Code Signal PAN spoken over the radiotelephone


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    （）sends a radio signal from the bottom of the ship to the sea-bed,from which it is reflected.
    A

    The marine sextant

    B

    The chronometer

    C

    The echo sounder

    D

    The radar


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    A distress signal（）.
    A

    consists of 5 or more short blasts of the fog signal apparatus

    B

    consists of the raising and lowering of a large white flag

    C

    may be used individually or in conjunction with other distress signals

    D

    is used to indicate doubt about another vessel's intentions


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    When launching a lifeboat in the rough sea, the davit gears should be released（）.
    A

    before the boat is lowered from the stowed position

    B

    as the boat fall blocks break clear of the davit head

    C

    before the boat is lowered from the embarkation level

    D

    after the boat is released into the water


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    What is NOT a distress signal?（）
    A

    A continuous sounding of the fog horn

    B

    Firing a gun every minute

    C

    Five or more short rapid blasts on the whistle

    D

    A square flag and ball flown from the mast


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Steering a motor lifeboat broadside to the sea could cause it to（）.
    A

    capsize

    B

    run smoother

    C

    run faster

    D

    sink


    正确答案： D
    解析： 暂无解析

  • 第13题：

    单选题
    A yellow signal，floating in the air from a parachute，about 300 feet above the water，indicates that a submarine（）.
    A

    will be coming to periscope depth

    B

    will be coming to the surface

    C

    is on the bottom in distress

    D

    is in distress and will try to surface


    正确答案： C
    解析： 暂无解析

  • 第14题：

    单选题
    From IMO’S point of view, INMARSAT’s most important function is the provision of（）.
    A

    general radio communication

    B

    MSI

    C

    improved distress and safety communication

    D

    bridge-to-bridge communication


    正确答案： B
    解析： 暂无解析

  • 第15题：

    单选题
    What would most likely prevent a SART’s signal from being detected?（）
    A

    Signal absorption by the ionosphere

    B

    Heavy sea swells

    C

    The rescue personnel were monitoring the 10-cm radar

    D

    The rescue personnel were monitoring the 3-cm radar


    正确答案： B
    解析： 暂无解析

  • 第16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17题：

    单选题
    A distress signal（）.
    A

    consists of 5 or more short blasts of the fog signal apparatus

    B

    consists of the raising and lowering of a large white flag

    C

    may be used separately or with other distress signals

    D

    is used to indicate doubt about another vessel's intentions


    正确答案： D
    解析： 暂无解析

  • 第18题：

    单选题
    What would NOT be a distress signal?（）
    A

    MAYDAY sent by radiotelephone

    B

    Continuous sounding of fog horn

    C

    Green star shells fired from a launcher

    D

    Square flag and ball in a vertical line


    正确答案： D
    解析： 暂无解析

  • 第19题：

    单选题
    （）process the distress signal from EPIRB to determine its position and identity.
    A

    COSPAS-SARSAT

    B

    Ground receiving stations

    C

    storing distress signal

    D

    Near-polar orbiting satellites


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    A RADIO SIGNAL FROM A DISTRESSED VESSEL AUTOMATICALLY DIRECTED TO A RCC GIVING POSITION，IDENTIFICATION，COURSE AND SPEED OF THE VESSEL AS WELL AS THE NATURE OF DISTRESS is known as（）.
    A

    Distress alert

    B

    Safety alert

    C

    Emergency alert

    D

    General alert


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    Which is NOT a distress signal?（）
    A

    A continuous sounding with any fog signal apparatus

    B

    A signal sent by radiotelephone consisting of the spoken word Mayday

    C

    An International Code Signal of N.C

    D

    The firing of green star rockets or shells


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    （）process the distress signal from EPIRB to determine its position and identity.
    A

    COSPAS-SARSAT

    B

    ground receiving stations

    C

    storing distress signal

    D

    Near polar orbiting satellites


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    For COAPAS-SARSAT system,（）process the distress signal from EPIRB to determine its position and identity.
    A

    COSPAS-SARSAT

    B

    ground receiving stations

    C

    spacecraft

    D

    satellite SAR instrument


    正确答案： A
    解析： 暂无解析

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