单选题In the GMDSS, distress alerting can be transmitted in（）directions.A1B2C3D4
单选题
In the GMDSS, distress alerting can be transmitted in（）directions.
A
1
B
2
C
3
D
4
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相关考题：
What are the vessel equipment and personnel requirements for GMDSS ________．A.Two licensed GMDSS radio operatorsB.Equipment carriage requirementsC.Distress alerting and responseD.All of the above
Which frequencies and modes are allocated for distress alerting in GMDSS ________．A.406 MHz via EPIRBB.1626.5-1645.5 via INMARSATC.Channel 70 DSC plus six（6）MF/HF DSC frequenciesD.All of the above
Which statement concerning locating signals in the GMDSS is FALSE ________．A.Locating signals are transmitted by survival craft VHF transceiversB.Locating signals are transmitted by SARTsC.Locating signals are intended to facilitate the finding of a distressed vessel or its survivorsD.Locating signals are not transmitted by autoalarm generators
Which statement is TRUE ________．A.GMDSS radio logs are required to contain entries pertaining to all incidents connected to radio communication service which appear to be of importance to the safety of life at seaB.All distress communications must be entered in the GMDSS radio log．C.Both of the aboveD.None of the above
单选题Proper GMDSS watchkeeping includes（）.Amonitoring all required frequencies in the proper modeBreading all displays and/or printouts after silencing an alarmCnotifying the Master of any distress alertsDAll of the above
单选题DSC distress relays can be transmitted by either（）or（）.Aa coast station/a ship stationBan EPIRB/a SARTCARQ/FECDa back-up satellite/a land SAR unit
单选题The GMDSS is composed of（）.Asatellite and terrestrial communication systemsBonly navigational and alerting systemsCjust MSI system and locating systemDSAR co-ordination system
单选题The distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.AALWAYS be included in the initial distress messageBbe sent to a Coast Guard station FIRSTCbe transmitted as a series of short messages，if time allowsDinclude the vessel's draft
单选题With the help of GMDSS（）can be alerted to a distress incident as soon as possible.Aall ships in a large sea areaBonly the sea authorities ashoreCthe SAR units ashore and at seaDthe port radios and the coast stations
单选题DSC distress acknowledgements are normally transmitted by（）in respond to a receiver DSC distress call.AShip stationsBCoast stationsCNCSsDNCC
单选题If a DSC distress relay is transmitted from coast station , it will（）.Aindicate the ship in distress that the alert has been receivedBalert ships in the area of a distress incident that a distress has occurredCinform other coast station of distress incidentDrepeat the distress alert in 5 minutes
单选题What is the basic concept of GMDSS? （）ASearch and rescue authorities ashore can be alerted to a distress situationBShipping in the immediate vicinity of a ship in distress will be rapidly alertedCShoreside authorities and vessels can assist in a coordinated SAR operation with minimum delayDAll of the above
单选题The basic concept of GMDSS is（）.ASearch and rescue authorities ashore will rapidly received an distress alert and acted uponBSAR units will be rapidly alerted to a distress incident and assist in a coordinated SAR operationCShips navigating in the immediate vicinity of the ship in distress will rapidly alerted to the alert and give their help accordinglyDThe RCC will rapidly alerted to a distress alert through satellite and terrestrial communication techniques and conducted a rescue operation immediately
单选题（）are operated as a secondary method of alerting in the GMDSS.Asatellite EPIRBsBNon-satellite EPIRBsCSES and DSC
单选题（）all ships in a large sea area being alerted, an “area call” will normally be transmitted so that only those ships in the vicinity of the distress incident are alerted.AAvoidingBTo be avoidedCAvoidedDTo avoid
单选题（）are used for distress alerting as a rule.ASES/DSC/EPIRBBSART/radiotelephoneCCOSPAS-SARSATDboth B and C
单选题According to the basic concept of GMDSS,（）can be rapidly alerted to a distress incident.Aonly SAR authorities on landBall ships in a very large sea areaCthe nearest coast stations and port radiosDthe SAR authorities ashore as well as ships in the vicinity of the casualty
单选题What are the vessel equipment and personnel requirements for GMDSS? （）ATwo licensed GMDSS radio operatorsBEquipment carriage requirementsCDistress alerting and responseDAll of the above
单选题The distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.AALWAYS be included in the initial distress messageBbe sent to a MSA station FIRSTCbe transmitted as a series of short messages，if time allowsDinclude the vessel's draft
单选题The difference between a class A and a class B EPIRB is that the class A EPIRB（）.Aoperates on both military and civilian aircraft distress frequenciesBtransmits both an alerting signal and a homing signalCmust be the float free type and automatically activatedDoperates with a greater output of signal power
单选题Which device provides the main means in the GMDSS for locating ships in distress or their survival craft（）.ARadio direction finderBSatellite EPIRBsCMF/HF DSCDVHF homing device
单选题Ship-to-ship distress alerting should be conducted by（）.AInmarsat SESBVHF /DSC or MF/DSCCSART and VHF/DSCDSatellite EPIRB and VHF /DSC
单选题Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?（）AIf no answer is received on the designated distress frequencies，repeat the distress call on any frequency availableBChannel 16 (156.8) may be used for distress messagesCIt is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds durationDDistress messages should first be transmitted on 2182 kHz
单选题Mariners can use DSC for（）.Ageneral communicationBdistress alerting and safety callingCreceive MSIDboth B and C
单选题Which statement concerning locating signals in the GMDSS is FALSE（）.ALocating signals are transmitted by survival craft VHF transceiversBLocating signals are transmitted by SARTsCLocating signals are intended to facilitate the finding of a distressed vessel or its survivorsDLocating signals are not transmitted by autoalarm generators
单选题What does the DSC control unit do if the GMDSS radio operator fails to insert updated information when initiating a DSC distress alert?（）AIt will abort the transmission and set off an audible alarm that must be manually resetBIt will initiate the DSC distress alert but，as no information will be transmitted，rescue personnel will not be able to identify the vessel，its position or its situationCIt will initiate the DSC distress alert and default information will automatically be transmittedDIt will initiate the DSC distress alert，but any station receiving it will have to establish contact with the distressed vessel to determine its identity，position and situation