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Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?___.A.When at anchor, the pilot vessel is only required to sound anchor signalsB.The identification signal must be sounded any time the pilot vessel is underwayC.The

题目

Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?___.

A.When at anchor, the pilot vessel is only required to sound anchor signals

B.The identification signal must be sounded any time the pilot vessel is underway

C.The pilot vessel may only sound the identity signal when making way

D.All of the above


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更多“Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?_ ”相关问题
  • 第1题:

    Continuous sounding of a fog whistle by a vessel is a signal ______.

    A.that the vessel is anchored

    B.to request the draw span of a bridge to be opened

    C.of distress

    D.that the vessel is broken down and drifting


    正确答案:C
    连续的听到雾号表示船舶遇险。

  • 第2题:

    单选题
    Concerning the identification signal for a pilot vessel,in fog,which statement is TRUE?()
    A

    When at anchor,the pilot vessel is only required to sound anchor signals

    B

    The identification signal must be sounded any time the pilot vessel is underway

    C

    The pilot vessel may only sound the identity signal when making way

    D

    All of the above


    正确答案: D
    解析: 暂无解析

  • 第3题:

    单选题
    You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?().
    A

    Your speed must be reduced to bare steerageway

    B

    A look-out is not required if the radar is on

    C

    Fog signals are only required when a vessel is detected by radar

    D

    The radar should always be kept on a short-range scale


    正确答案: A
    解析: 暂无解析

  • 第4题:

    单选题
    A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE? ()
    A

    During the day,she would display three balls in a vertical line

    B

    If making way,she would show masthead lights at night

    C

    If at anchor,she need not show anchor lights while displaying identifying lights

    D

    Her fog signal would consist of a rapid ringing of a bell for five seconds every minute


    正确答案: A
    解析: 暂无解析

  • 第5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6题:

    单选题
    Which statement is true concerning a vessel equipped with operational radar?().
    A

    The Master of the vessel must be on the bridge when the radar is in use

    B

    The radar equipment is only required to be used in restricted visibility

    C

    The use of a radar excuses a vessel from the need of a look-out

    D

    This equipment must be used to obtain early warning of risk of collision


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    A vessel is in sight of another vessel when she().
    A

    can be observed by radar

    B

    has determined that risk of collision exists

    C

    is sounding a fog signal which can be heard on the other vessel

    D

    can be observed visually from the other vessel


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    Which statement is TRUE concerning the gooseneck().
    A

    It is a sailing maneuver which brings the vessel's head through the wind

    B

    It connects the boom to the mast and allows the boom to swing freely

    C

    It is a sailing condition where there is a loss of air flow over the sails

    D

    None of the above


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    If the situation arose where it became necessary to tow a disabled vessel,which statement is TRUE concerning the towing line?().
    A

    The towing line between the two vessels should be clear of the water

    B

    The towing line should be taut at all times between the vessels

    C

    There should be a catenary so the line dips into the water

    D

    None of the above


    正确答案: C
    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 200-meter vessel is aground in fog. Which signal is optional? ()
    A

    A bell signal

    B

    A gong signal

    C

    A whistle signal

    D

    All of the above


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    Which statement is TRUE concerning fuel vapors on a vessel().
    A

    Fuel vapors gather in the lowest portions of the vessel

    B

    Fuel vapors can only be ignited by an open flame

    C

    Vent outlets should be located above the level of the carburetor air intake

    D

    None of the above


    正确答案: B
    解析: 暂无解析

  • 第13题:

    单选题
    Which statement is TRUE concerning a towing vessel which,due to the nature of her work,is unable to keep out of the way of another vessel?()
    A

    By day,she shall carry a black cylinder shape

    B

    By day,she shall carry two black balls in a vertical line

    C

    By night,she would show the same lights as a vessel not under command

    D

    By day,she would show the same shapes as a vessel restricted in her ability to maneuver


    正确答案: D
    解析: 暂无解析

  • 第14题:

    单选题
    A vessel not under command sounds the same fog signal as a vessel().
    A

    towing

    B

    constrained by her draft

    C

    under sail

    D

    All of the above


    正确答案: B
    解析: 暂无解析

  • 第15题:

    单选题
    Which one of following statement is not true concerning the suitable sites of the direct acting relief valve and the pilot operated relieve valve?()
    A

    the direct acting relief valve is used for controlling lower flows and pressure

    B

    the pilot operated relief valve is used for controlling higher flows and pressure

    C

    the pilot operated relief valve is used for controlling lower flows and pressure

    D

    the controlling accuracy of direct acting relief valve is worse than that of the pilot operated relief valve


    正确答案: C
    解析: 暂无解析

  • 第16题:

    单选题
    Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another().
    A

    The vessel which has the other on her own starboard side

    B

    The vessel which has the other on her own port side

    C

    The one which hears the other's fog signal first

    D

    Neither vessel is the stand-on vessel


    正确答案: C
    解析: 暂无解析

  • 第17题:

    单选题
    Your 15-meter tug is underway and crossing a deep and narrow channel. A large container vessel is off your port bow on a steady bearing. Which statement is TRUE concerning this situation? ().
    A

    You should maintain course and speed

    B

    The container vessel is the stand-on as it is the larger vessel

    C

    You are not to impede the safe passage of the container vessel in the channel

    D

    None of the above


    正确答案: C
    解析: 暂无解析

  • 第18题:

    单选题
    Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges().
    A

    Each vessel should show sidelights

    B

    Each vessel should show at least one white light

    C

    The barges should be lighted as separate units

    D

    The barges should be lighted as one vessel


    正确答案: C
    解析: 暂无解析

  • 第19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20题:

    单选题
    Which statement concerning the operation of radar in fog is TRUE?()
    A

    Radar ranges are less accurate in fog

    B

    Navigation buoys will always show up on radar

    C

    A sandy beach will show up clearer on radar than a rocky cliff

    D

    Small wooden boats may not show up on radar


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    Which statement is TRUE concerning gasoline vapors on board a vessel().
    A

    They are heavier than air and will settle in the lowest part of the vessel

    B

    They are lighter than air and will settle in the highest part of the vessel

    C

    They should be vented into the engine to improve combustion

    D

    They should be vented into the wheelhouse


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    Which statement concerning maneuvering in restricted visibility is FALSE?().
    A

    A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steerageway

    B

    A vessel which hears a fog signal forward of her beam shall stop her engines

    C

    A vessel which hears a fog signal forward of the beam shall navigate with caution

    D

    If a vessel determines by radar that a close-quarters situation is developing,she shall take avoiding action in ample time


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    Which statement is TRUE concerning a vessel equipped with operational radar?().
    A

    She must use this equipment to obtain early warning of risk of collision

    B

    The use of a radar excuses a vessel from the need of a look-out

    C

    The radar equipment is only required to be used in restricted visibility

    D

    The safe speed of such a vessel will likely be greater than that of vessels without radar


    正确答案: D
    解析: 暂无解析