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 frequencies and modes are allocated for distress alerting in GMDSS ________．
A.406 MHz via EPIRB
B.1626.5-1645.5 via INMARSAT
C.Channel 70 DSC plus six（6）MF/HF DSC frequencies
D.All of the above
相关考题：
Proper GMDSS watchkeeping includes ______.A.monitoring all required frequencies in the proper modeB.reading all displays and / or printouts after silencing an alarmC.notifying the Master of any distress alertsD.All of the above
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
What is the most appropriate action for a GMDSS radio operator to take in a distress situation where immediate help is needed，but the vessel is not sinking nor needs to be abandoned ________．A.Switch off EPIRB and SART manuallyB.Transmit distress call by MF/HF，VHF or INMARSATC.Notify the RCC（Rescue Coordination Center）through VHF FM on channel 13D.Transmit distress call by activating the radiotelegraph automatic alarm signal
Which device provides the main means in the GMDSS for locating ships in distress or their survival craft ________．A.Radio direction finderB.Satellite EPIRBsC.MF/HF DSCD.VHF homing device
Which action should be taken on receipt of a GMDSS distress alert ________．A.Read the display screen and/or printoutB.Silence the alarmC.Listen for any follow up voice/telex transmission on the appropriate frequencyD.All of the above
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
If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies, which frequency should you call on ?______.A.Calling frequencyB.Distress frequencyC.Urgency frequencyD.Working frequency
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What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received? （）ANo action is necessary，as the DSC control unit will automatically switch to the NBDP follow-on communications frequencyBThe operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was receivedCThe Operator should immediately set continuous watch on VHF channel 70DThe Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received
单选题If the DSC controller is configured for MF/HF operation, the distress will be sent on（）.Adouble frequenciesBsingle frequencyCdedicated frequencyDmultiple frequencies
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Which statement is TRUE（）.AGMDSS 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 seaBAll distress communications must be entered in the GMDSS radio logCBoth of the aboveDNone of the above
单选题Which action should be taken on receipt of a GMDSS distress alert（）.ARead the display screen and/or printoutBSilence the alarmCListen for any follow up voice/telex transmission on the appropriate frequencyDAll of the above
单选题（）are used for distress alerting as a rule.ASES/DSC/EPIRBBSART/radiotelephoneCCOSPAS-SARSATDboth B and C
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A station in the mobile service the emissions of which are intended to facilitate search and rescue operations is（）.AEPIRBBSARTCMobile StationDDistress Alerting
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What is a GMDSS functional or carriage requirement for compulsory vessels?（）AA compulsory vessel must carry at least two (2) licensed GMDSS operatorsBA compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sailsCA compulsory vessel must be able to transmit and respond to distress alertsDAll of the above
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