单选题How can a SART’s effective range be maximized? ()AThe SART should be placed in water immediately upon activationBThe SART should be held as high as possibleCSwitch the SART into the high power positionDIf possible,the SART should be mounted horizontally so that its signal matches that of the searching radar signal
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
参考解析
解析:
暂无解析
相关考题:
Tests have proved this medicine quite effective. Starting from next month, we are going to produce it on a large (). A、scaleB、range
– Excuse me, how far is the airport from here? – ( ). A、You can take a taxiB、It's about thirty milesC、I'll fly to SidneyD、It's only six hundred dollars
– Can you tell me how much a radio like this costs? – ( ). A、I'd like to buy itB、It's of very good qualityC、About eighty-five dollarsD、It depends on how you like it
- Excuse me, how far is the airport from here? -(). A、You can take a taxiB、It's about thirty milesC、It's only six hundred dollars
-Good night and thank you again.-( ). A. You can't say thatB. No, no. It's what I can doC. How can you say thatD. Good night
What can be the best title for the passage?A. The Eye as the Window to the SoulB. Cultural Differences in Reading EmotionsC. Effective Methods to Develop Social SkillsD. How to Increase Cross-cultural Understanding
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.
Prof.Lee’s book will show you( )can be used in other contexts.A.that you have observedB.that how you have observedC.how that you have observedD.how what you have observed
()the Manager’s not available at the moment. But the Assistant Manager is here.How Can I help you, madam?AI’mafraidBWithourcomplimentsCTotalktotheManagerDItisentirelyourfault
The rmss command provides the facility to run an application over a range of memory sizes and display the performance statistics. How is the simulated memory reset to the real memory of the machine?()A、 rmss -cB、 rmss -pC、 rmss -rD、 rmss -s
Which three statements describe how the strict SQL mode provides added security?()A、It rejects statements that try to insert out-of-range valuesB、It rejects invalid datesC、It limits the operations that the server can performD、It rejects queries that produce out-of-range valuesE、It rejects dates with zero day or month values
单选题The only thing()really matters to the children is how soon they can return to their aunt and uncle’s farm.AthatBwhatCwhichDthis
单选题How can vessel personnel detect the operation of a SART in its vicinity?()AA unique radar signal consisting of a blip code radiating outward from a SART's position along its line of bearingBA unique two tone warbling signal heard on VHF-FM ch-70CA unique two tone alarm signal heard upon the automatic unmuting of the 2182 kHz radiotelephone automatic watch receiverDThe SART signal appears as a target which comes and goes; the effect of heavy swells on the SART
单选题Which signal is detected as originating from a SART?()AThe Morse code distress series S-O-S repeated 3 times followed by DE and the vessel's call signBA line of blip code on a radar screen outward from the SART's position along its line of bearingCA line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearingDNone of these
单选题The only thing what really matters to the children is how soon they can return to their uncle's farm.AwhatBtoCisDhow soon
单选题How can the SART’s audible tone monitor be used?()AIt informs survivors that assistance may be nearbyBIt informs survivors when the battery's charge condition has weakenedCIt informs survivors when the SART switches to the standby modeDIt informs survivors that a nearby vessel is signaling on DSC
单选题How can permissions be set up on /tmp so that a user cannot delete another user’s files?()Achmod +s /tmpBchmod 775 /tmpCchmod 1777 /tmpDchmod 4755 /tmp
单选题Interpersonal relationships are important because _____.Athey are indispensable to people’s social well-beingBthey awaken people’s desire to exchange resourcesCthey help people to cope with life in the information eraDthey can cure a range of illnesses such as heart disease, etc
单选题What does a SART signal sound or look like?()AIt transmits SOS and the vessel's name and position in slow speed Morse CodeBIt will appear on a radar unit's PPI as a line of dots radiating outward with the innermost dot indicating the SART's positionCIt will appear on a radar unit's PPI as a line of dots radiating outward with the outermost dot indicating the SART's positionDNone of the above
多选题Which three statements describe how the strict SQL mode provides added security?()AIt rejects statements that try to insert out-of-range valuesBIt rejects invalid datesCIt limits the operations that the server can performDIt rejects queries that produce out-of-range valuesEIt rejects dates with zero day or month values
单选题What’s the advantage when using the satellites?()AThe message can be directed to the desired locationBThe message can follow the earth’s curvatureCThe quality of message can not be affected by climaticDThe range of the message extend and the quality of reception is improved
单选题How can rescue personnel detect that a SART is transmitting in the immediate vicinity?()AThe SART's blips on the PPI will begin arcing and eventually become concentric circlesBThe DSC unit will react to the SART's signal and respond with the two-tone alarmCThe SART can provide an approximate location to within a two nautical mile radius,per IMO standardsDThe SART signal appears as a target which comes and goes; the effect of heavy swells on a SART
单选题The advantage of geostationary satellites is().Athe range of antenna can cover everywhere in the worldBwe can know the ship’s exact positionCthat the distress alert can be located as soon as possibleDantenna of permanent earth stations may be directed towards fixed points in the sky