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【单选题】

A sound signal of seven short blasts and one long blast given with the vessel’s sound system is（）.

A、Safety alarm

B、Distress alarm

C、Fire drill alarm

D、General emergency alarm

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更多“A sound signal of seven short blasts and one long blast given with the vessel’s sound system is（）.”相关的问题

第1题

[] Which statement is TRUE concerning the danger signal?（）.

A、A.When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal B、B.Only the stand-on vessel can sound the danger signal C、C.Distress signals may be used in place of the danger signal D、D.The danger signal consists of 4 or more short blasts of the whistle

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第2题

[单选题] Distress signals may be（）.

A、red flares B、smoke signals C、sound signals D、Any of the above

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第3题

[单选题] Distress signals may be（）.

A、red flares B、smoke signals C、sound signals D、Any of the above

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第4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

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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

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第6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

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第7题

[单选题] You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.

A、stop your engines B、sound two prolonged blasts of the whistle C、sound the danger signal D、slow to bare steerageway

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第8题

[单选题] An icebreaker may use the code letter “K” to remind ships of their obligation to listen continuously on their radio. This signal may be made by any of the following EXCEPT（）.

A、sound signal B、light signal C、visual signal D、radiotelephone

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第9题

[] You are in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.

A、A.stop your engines B、B.sound two prolonged blasts of the whistle C、C.sound the danger signal D、D.slow to bare steerageway

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第10题

[单选题] All of the following are distress signals EXCEPT（）.

A、the continuous sounding of any fog signal apparatus B、giving five or more short and rapid blasts of the whistle C、firing a gun at intervals of about a minute D、a barrel with burning oil in it，on deck

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