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单选题
RADAR上出现同芯弧信号，说明SART与RADAR相距：（）
A
100-200米
B
300-500米
C
1海里以上
D
500米-1海里
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考题
My radar is not working．I require shorebased radar assistance．Is shorebased radar assistance ________ ？A.usedB.availableC.in useD.can be used
考题
The description Racon beside an illustration on a chart would mean a ______.A.radar conspicuous beaconB.circular radiobeaconC.radar transponder beaconD.radar calibration beacon
考题
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.
考题
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 soundB
seeing or soundingC
visual or audibleD
seeing or hearing
考题
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 signalsB
A SART will normally respond to interrogation from a searching vessel's radar if the radar antenna is at least 15 meters highC
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 milesD
All of the above
考题
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 signB
A line of blip code on a radar screen outward from the SART's position along its line of bearingC
A line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearingD
None of these
考题
单选题SART应答信号在雷达显示屏上的图像，有关亮点之间的距离，正确的说法是（）A
与雷达的频率有关B
与SART和RADAR之间的距离有关C
与雷达选用的量程有关D
与SART内部的电路有关
考题
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 useB
The radar equipment is only required to be used in restricted visibilityC
The use of a radar excuses a vessel from the need of a look-outD
This equipment must be used to obtain early warning of risk of collision
考题
单选题My radar is not working.I require shore based radar assistance.Is shore based radar assistance（）?A
usedB
availableC
in useD
can be used
考题
单选题Which general statement concerning radar is FALSE?（）.A
Raising the antenna height increases the radar rangeB
The ability of radar to detect objects is unaffected by weather conditionsC
Radar bearings are less accurate than radar rangesD
Radar should be checked regularly during clear weather to ensure that it is operating properly
考题
单选题How can a SART’s effective range be maximized? （）A
The SART should be placed in water immediately upon activationB
The SART should be held as high as possibleC
Switch the SART into the high power positionD
If possible，the SART should be mounted horizontally so that its signal matches that of the searching radar signal
考题
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 CodeB
It will appear on a radar unit's PPI as a line of dots radiating outward with the innermost dot indicating the SART's positionC
It will appear on a radar unit's PPI as a line of dots radiating outward with the outermost dot indicating the SART's positionD
None of the above
考题
单选题SART应答信号在雷达显示屏上的亮点之间的距离，正确的说法是（）。A
与雷达的频率无关B
与SART和RADAR之间的距离无关C
与雷达选用的量程无关D
与SART内部的电路有关
考题
单选题If there is any doubt as to the proper operation of a radar，which statement is TRUE?（）.A
Only a radar expert can determine if the radar is operatingB
All radars have indicator lights and alarms to signal improper operationC
A radar range compared to the actual range of a known object can be used to check the operation of the radarD
The radar resolution detector must be energized to check the radar
考题
单选题When the power of SART is on, it will（）.A
transmit distress signalB
send response signalC
transmit the signal of ship‟s positionD
be start by X-band radar
考题
单选题当救助艇驶向SART约（）时，雷光荧光屏上SART信号呈同芯圆.A
100米B
500米C
1海里D
5海里
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