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If a GMDSS radio operator initiates a DSC distress transmission but does not insert a message，what happens ________．
A.The transmission is aborted and an alarm sounds to indicate this data must be provided by the operator
B.The transmission is not initiated and“ERROR”is indicated on the display readout
C.The transmission will be made with“default”information provided automatically
D.The receiving station will poll the DSC unit of the vessel in distress to download the necessary information
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更多 “ If a GMDSS radio operator initiates a DSC distress transmission but does not insert a message，what happens ________．A.The transmission is aborted and an alarm sounds to indicate this data must be provided by the operatorB.The transmission is not initiated and“ERROR”is indicated on the display readoutC.The transmission will be made with“default”information provided automaticallyD.The receiving station will poll the DSC unit of the vessel in distress to download the necessary information ” 相关考题
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One of the two systems established by GMDSS for the transmission and automatic receipt of Maritime Safety Information is______．A.Initial Distress Alerts serviceB.Navigational Warning serviceC.INMARSAT Safety Net serviceD.Meteorological Warning service
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What is the minimum requirement of a GMDSS operator?A.GMDSS operator licenseB.Third officer licenseC.General Radiotelephone Operator license and Radar EndorsementD.General Radiotelephone license or First or Second Class Radiotelegraph license with GMDSS Radio Officer’s endorsement
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________is the most visible signal of distress from a lifeboat at sea in the daytime.A.Smoke signalB.Flash signalC.Fire signalD.Radio emergency transmission
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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
考题
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
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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
考题
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
考题
Which maintenance functions can a GMDSS Radio Operator perform ________．A.The Operator can make fine internal adjustments to the transmitter as long as the output power does not change by more than one percentB.The Operator is responsible for ensuring that INMARSAT antennas are free of built-up soot and clear of obstaclesC.All levels of maintenance must be performed by a licensed GMDSS Radio MaintainerD.The Operator may install an EPROM in order to ensure that the equipment continues to operate within legal constraints
考题
Which message categories cannot be disabled by the GMDSS radio operator ________．A.Navigational WarningsB.Meteorological WarningsC.Search and Rescue InformationD.All of the above
考题
Which statement concerning GMDSS Radio Operator requirements is FALSE ________．A.Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at seaB.Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as wellC.Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communicationsD.While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
考题
Which statement concerning satellite EPIRBs is TRUE ________．A.Once activated，these EPIRBs continuously send up a signal for use in identifying the vessel and for determining the position of the beaconB.The coded signal identifies the nature of the distress situationC.The coded signal only identifies the vessel's name and port of registryD.If the GMDSS Radio Operator does not program the EPIRB，it will transmit default information such as the follow-on communications frequency and mode
考题
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
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如果用DSC设备收妥确认遇险报警信息，在DSC上应选（）A、DISTRESS ACKNOWLEDGEB、URGENT CALLC、DISTRESS RELAYD、SAFETY CALL
考题
单选题If no distress acknowledgement is received（）a DSC distress call transmission, then the ship in distress may repeat the DSC distress call attempt after a delay of between 3.5 and 4.5 minutes from the beginning of the initial call.A
relevant toB
relate toC
in response toD
in relation to
考题
单选题What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received? （）A
No action is necessary，as the DSC control unit will automatically switch to the NBDP follow-on communications frequencyB
The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was receivedC
The Operator should immediately set continuous watch on VHF channel 70D
The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received
考题
单选题DSC distress acknowledgements are normally transmitted by（）in respond to a receiver DSC distress call.A
Ship stationsB
Coast stationsC
NCSsD
NCC
考题
单选题If a GMDSS radio operator initiates a DSC distress transmission but does not insert a message，what happens? （）A
The transmission is aborted and an alarm sounds to indicate this data must be provided by the operatorB
The transmission is not initiated and ERROR is indicated on the display readoutC
The transmission will be made with default information provided automaticallyD
The receiving station will poll the DSC unit of the vessel in distress to download the necessary information
考题
单选题If you are transmitting a distress message by radiotelephone you should（）.A
use English languageB
always use the International CodeC
preface it by the word SOSD
follow the transmission with the radio alarm signal
考题
单选题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 logC
Both of the aboveD
None of the above
考题
单选题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
考题
单选题Which message categories cannot be disabled by the GMDSS radio operator（）.A
Navigational WarningsB
Meteorological WarningsC
Search and Rescue InformationD
All of the above
考题
单选题What are the conditions，under GMDSS，whereby a ship is NOT allowed to depart from any port? （）A
The vessel is not capable of performing all required distress and safety functionsB
The vessel is carrying more than the required number of qualified GMDSS radio operatorsC
The vessel has a temporary waiver of its radio license and Safety CertificateD
The vessel is not carrying a GMDSS radio maintainer，but has provided for shoreside maintenance plus duplication of equipment if required
考题
单选题Which statement concerning GMDSS Radio Operator requirements is FALSE（）.A
Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at seaB
Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as wellC
Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communicationsD
While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
考题
单选题How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? （）A
6 monthsB
1 yearC
2 yearsD
3 years
考题
单选题Which channel and mode should be used when initiating a distress alert transmission（）.A
Channel 6 DSCB
Channel 6 RadiotelephonyC
Channel 13 Radiotelephony and channel 16 DSCD
Channel 70 DSC
考题
单选题The complying vessels can transmit ship-to-shore distress alerts by at least（）.A
One means, whether satellite or terrestrial techniquesB
Two means, whether satellite or terrestrial techniquesC
Two separate and independent means, each using different radio communication servicesD
Two means, such as MF DSC and HF DSC
考题
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?（）A
It will abort the transmission and set off an audible alarm that must be manually resetB
It 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 situationC
It will initiate the DSC distress alert and default information will automatically be transmittedD
It 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
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