How can a SART’s effective range be maximized?______A.The SART should be placed in water immediately upon activation.B.The SART should be held as high as possible.C.Switch the SART into the “high” power position.D.If possible, the SART should be mounted h

题目

How can a SART’s effective range be maximized?______

A.The SART should be placed in water immediately upon activation.

B.The SART should be held as high as possible.

C.Switch the SART into the “high” power position.

D.If possible, the SART should be mounted horizontally so that its signal matches that of the searching radar signal.

相似考题

1._______ is characteristics of good assessment for classroom purposes.A.The content of the assessment should match the teacher’s educational objectivesB.The items should represent partial range of knowledgeC.Expectations for student performance needn’t to be clearD.The assessment should involve extraneous factors

2.there is no reason that they should limit how much vitamin you take ____ they can limit how much water you drink.A. any more thanB. no more thanC. much more thanD. no less than

3.SART的信号发射是_____。A.SART浸入水后就发射B.SART收到X波段雷达的触发脉冲就启动连续发射C.SART收到X波段雷达站的触发脉冲就发射一次D.SART浸水后，同时收到X波段雷达的触发脉冲，就连续发射

4.符合CCIR628建议的SART,有一根长绳与之连接,以供()使用。A、遇难幸存者系在身上B、便于把SART帮扎固定在船上C、使SART有良好的接地，避免发射时对人产生伤害D、增加SART的有效发射功率

更多“How can a SART’s effective range be maximized?______A.The SART should be placed in water i ”相关问题

  • 第1题：

    Which step should be taken，if possible，when the vessel must be abandoned because of a distress situation ________．

    A.Alert the Coast Guard by using the survival craft's portable INMARSAT unit

    B.Program the SART and EPIRB to transmit the vessel's location and situation

    C.Place the SART and EPIRB in the“ON”position and secure them to the survival craft

    D.No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly


    正确答案：C

  • 第2题：

    There is no reason they should limit how much vitamin you take,____they can limit how much water you drink.

    A.no less than

    B.not any more than

    C.no more than

    D.much more or less

    答案：B
    解析：
    题目意为“他们没有理由限制你摄入多少维生素，正如他们没有理由限制你喝多少水。”no...more than或no/not any more than意为“与……同样不”。选项A意为“不少于，多达”，选项B意为“与……同样不”，选项C意为“只是，只不过”，选项D意为“差不多”。
    　　

  • 第3题：

    GMDSS要求（）设备是各航区必备设备。

    • A、NAVTEX接收机和S-EPIRB
    • B、SART和TWO-WAYVHF无线电话
    • C、SART和S-波段雷达
    • D、卫星船站和中高频组合电台
    • E、DSC终端

    正确答案:B,E

  • 第4题：

    SART工作于（）。

    • A、L波段
    • B、C波段
    • C、X波段
    • D、S波段

    正确答案:C

  • 第5题：

    当SART发出声响，指示灯闪烁加快，该现象说明（）

    • A、SART被S波段雷达触发
    • B、SART被X波段雷达触发
    • C、SART发生故障，发出故障报警
    • D、SART向RCC发出遇险报警信息

    正确答案:B

  • 第6题：

    多选题
    SART的应答信号是（）
    A

    把SART电源开关放到ON，立即发射应答信号

    B

    把SART抛入水中，立即发射应答信号

    C

    把SART电源开关放到ON，被X波段雷达触发后，立即发射应答信号

    D

    当SART与搜救雷达距离1′以上，为同方位、等间距、最多12个亮点信号

    E

    当SART与搜救雷达距离500m~1′时，为同心弧

    F

    当SART与搜救雷达距离300m~500m时，为同心园


    正确答案： B,E
    解析： 暂无解析

  • 第7题：

    单选题
    Which conditions will normally cause a SART to operate in the active mode?（）
    A

    It will respond only to interrogation by 9-Ghz radar signals

    B

    A SART will normally respond to interrogation from a searching vessel's radar if the radar antenna is at least 15 meters high

    C

    A SART will normally respond to interrogation from a searching aircraft's radar if the radar's output power is at least 10，000 watts and the aircraft is at a height of 3000 feet and within 30 nautical miles

    D

    All of the above


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    Which signal is detected as originating from a SART?（）
    A

    The Morse code distress series S-O-S repeated 3 times followed by DE and the vessel's call sign

    B

    A line of blip code on a radar screen outward from the SART's position along its line of bearing

    C

    A line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearing

    D

    None of these


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?（）
    A

    You should stop to windward of the survivors in the water and only use the ship's boats to recover the survivors

    B

    If the survivors are in inflatable rafts you should approach from windward to create a lee for the survivors

    C

    An inflatable liferaft secured alongside can be an effective boarding station for transfer of survivors from the boats

    D

    Survivors in the water should never be permitted alongside due to the possibility of injury from the vessel


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    What is the real cause of the potential water crisis?
    A

    The world population is increasing faster and faster.

    B

    Half of the world’s water resources have been seriously polluted.

    C

    Humanity has not placed sufficient value on water resources.

    D

    Only half of the world’s water can be used.


    正确答案： B
    解析：
    细节题。文章第一段作者说如果找们现在能比过去更加重视水的话，世界未必就会陷入缺水的困境（即使人口增一倍）。下文阐述避免将来世界缺水的对策和方法，从上文叙述说明水的潜在危机不是人口增加也不是污染严重造成的。更不是用得多，才用了不到一半。根本原因是过去我们没有引起足够的重视，如能像重视石油那样重视水就不会发生水危机，因此C为答案。

  • 第11题：

    单选题
    What does a SART signal sound or look like?（）
    A

    It transmits SOS and the vessel's name and position in slow speed Morse Code

    B

    It will appear on a radar unit's PPI as a line of dots radiating outward with the innermost dot indicating the SART's position

    C

    It will appear on a radar unit's PPI as a line of dots radiating outward with the outermost dot indicating the SART's position

    D

    None of the above


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    Which step should be taken，if possible，when the vessel must be abandoned because of a distress situation（）.
    A

    Alert the Coast Guard by using the survival craft's portable INMARSAT unit

    B

    Program the SART and EPIRB to transmit the vessel's location and situation

    C

    Place the SART and EPIRB in the“ON”position and secure them to the survival craft

    D

    No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly


    正确答案： A
    解析： 暂无解析

  • 第13题：

    How can rescue personnel detect that a SART is transmitting in the immediate vicinity ________．

    A.The SART's blips on the PPI will begin arcing and eventually become concentric circles

    B.The DSC unit will react to the SART's signal and respond with the two-tone autoalarm

    C.The SART can provide an approximate location to within a two nautical mile radius per IMO standards

    D.The SART signal appears as a target which comes and goes; the effect of heavy swells on a SART


    正确答案：A

  • 第14题：

    There is no reason they should limit how much vitamin you take，( )they can limit how much water you drink.

    A.much more than
    B.no more than
    C.no less than
    D.any more than

    答案：D
    解析：
    考查比较结构。A项意为“比...多得多”；B项意为“和……一样不，仅仅”；C项意为“多达”；D项no...more than意为“两者都不”，其强调形式为not...any more than。由于前一句已有否定词no，因此D项正确。故本题选D。句意：正如他们无权限制人们喝多少水一样，他们也没有理由限制人们摄入多少维生素。

  • 第15题：

    GMDSS要求船舶必须配备（）.

    • A、DSC和SES
    • B、SART、TWO-WAY VHF和EPIRB
    • C、SART、EPIRB和518NAVTEX
    • D、SART、TWO-WAY VHF、EPIRB和518NAVTEX，VHF DSC

    正确答案:D

  • 第16题：

    SART的信号发射是（）。

    • A、SART浸入水后就发射
    • B、SART收到X波段雷达的触发脉冲就启动连续发射
    • C、SART收到X波段雷达站的触发脉冲就发射一次
    • D、SART浸水后，同时收到X波段雷达的触发脉冲，就连续发射

    正确答案:C

  • 第17题：

    单选题
    The SART should provide a（）indication of its correct operation and should also inform survivors when it is interrogated by radar.
    A

    sight or sound

    B

    seeing or sounding

    C

    visual or audible

    D

    seeing or hearing


    正确答案： C
    解析： 暂无解析

  • 第18题：

    单选题
    SART的应答信号是（）。①把SART电源开关放到ON，立即发射应答信号；②把SART抛入水中，立即发射应答信号；③把SART电源开关放到ON，被X波段雷达触发后，立即发射应答信号；④当SART与搜救雷达距离1nmile以上，为同方位.等间距，最多12个亮点信号；⑤当SART与搜救雷达距离为1nmile时，为宽弧；⑥当SART与搜救雷达距离小于1nmile时，为同心圆
    A

    ①④⑤⑥

    B

    ③④⑤⑥

    C

    ②③⑤⑥

    D

    ②④⑤⑥


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    How can vessel personnel detect the operation of a SART in its vicinity?（）
    A

    A unique radar signal consisting of a blip code radiating outward from a SART's position along its line of bearing

    B

    A unique two tone warbling signal heard on VHF-FM ch-70

    C

    A unique two tone alarm signal heard upon the automatic unmuting of the 2182 kHz radiotelephone automatic watch receiver

    D

    The SART signal appears as a target which comes and goes; the effect of heavy swells on the SART


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    A SART can be fixed on（）.
    A

    a mother ship

    B

    a lifeboat

    C

    a life craft

    D

    all of A,B,C


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    How can the SART’s audible tone monitor be used?（）
    A

    It informs survivors that assistance may be nearby

    B

    It informs survivors when the battery's charge condition has weakened

    C

    It informs survivors when the SART switches to the standby mode

    D

    It informs survivors that a nearby vessel is signaling on DSC


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    How can a SART’s effective range be maximized? （）
    A

    The SART should be placed in water immediately upon activation

    B

    The SART should be held as high as possible

    C

    Switch the SART into the high power position

    D

    If possible，the SART should be mounted horizontally so that its signal matches that of the searching radar signal


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    How can rescue personnel detect that a SART is transmitting in the immediate vicinity?（）
    A

    The SART's blips on the PPI will begin arcing and eventually become concentric circles

    B

    The DSC unit will react to the SART's signal and respond with the two-tone alarm

    C

    The SART can provide an approximate location to within a two nautical mile radius，per IMO standards

    D

    The SART signal appears as a target which comes and goes; the effect of heavy swells on a SART


    正确答案： A
    解析： 暂无解析

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