海船船员考试
单选题CATEGORY A EPIRB’s transmit on frequencies that are monitored by（）.A orbiting satellites in spaceB commercial radio stationsC private，commercial，and military aircraftD ordinary radio stations
题目
orbiting satellites in space
commercial radio stations
private，commercial，and military aircraft
ordinary radio stations
相似问题和答案
第1题：
以下哪类UE支持上行64QAM()
A.Category2
B.Category3
C.Category4
D.Category5
第2题：
406MHz EPIRB，每50s发射时间为_____。
A.5s
B.0.5s
C.10s
D.25s
第3题：
All of the following may hinder a person's ability to transmit/receive a message except:
A Unfamiliarity with topic
B Withholding information
C Assuming
D Noise
E Preoccupation
第4题：
B．inflection
C．distribution
D．parts of speech
第5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 manually
B.Transmit distress call by MF/HF，VHF or INMARSAT
C.Notify the RCC（Rescue Coordination Center）through VHF FM on channel 13
D.Transmit distress call by activating the radiotelegraph automatic alarm signal
第6题：
A、INMARSAT-A/INMARSAT-C
B、VHFDSC/MF DSC
C、SART/VHF DSC
D、S-EPIRB/VHF EPIRB
第7题：
Which step should be taken，if possible，when the vessel must be abandoned because of a distress situation ________．
A.Alert the Coast Guard by using the survival craft's portable INMARSAT unit
B.Program the SART and EPIRB to transmit the vessel's location and situation
C.Place the SART and EPIRB in the“ON”position and secure them to the survival craft
D.No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly
第8题：
58 All of the following may hinder a person's ability to transmit/receive a message except:
A. Unfamiliarity with topic
B. Withholding information
C. Assuming
D. Noise
E. Preoccupation
第9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 beacon
B.The coded signal identifies the nature of the distress situation
C.The coded signal only identifies the vessel's name and port of registry
D.If the GMDSS Radio Operator does not program the EPIRB，it will transmit default information such as the follow-on communications frequency and mode
第10题：
B．inflection
C．distribution
D．parts of speech