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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 operating
B
All radars have indicator lights and alarms to signal improper operation
C
A radar range compared to the actual range of a known object can be used to check the operation of the radar
D
The radar resolution detector must be energized to check the radar
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更多 “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” 相关考题
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in any emergency or if in any doubt as to what decision or measures to takeB
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when isolating and bypassing machinery to be worked onD
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the cooling water temperatureC
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DuringC
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such risk shall be deemed to existB
such risk shall not be deemed to existC
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thatB
ifC
whateverD
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failure of the proper operation of emergency generatorB
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improper operation of bilge of bilge of bilge pumping arrangementsD
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Small wooden boats may not show up on radar
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Failure of proper operation of propulsion and other essential machinery, as well as electrical installationB
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failure of the proper operation of electrical installationsC
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单选题Is considered to be one of the detainable deficiencies under the STCW Convention（）.A
Absence, substantial deterioration or failure of proper operation of the cargo deck area fire protection on tankerB
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考题
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existB
existsC
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samplesC
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Maintaining an alert radar watch in reduced visibilityC
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Maintaining a proper lookout from sunrise to sunset
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