Which statement concerning locating signals in the GMDSS is FALSE ________．A.Locating sign

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 sea

B.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 well

C.Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communications

D.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

Which message categories cannot be disabled by the GMDSS radio operator ________．

A.Navigational Warnings

B.Meteorological Warnings

C.Search and Rescue Information

D.All of the above

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 percent

B.The Operator is responsible for ensuring that INMARSAT antennas are free of built-up soot and clear of obstacles

C.All levels of maintenance must be performed by a licensed GMDSS Radio Maintainer

D.The Operator may install an EPROM in order to ensure that the equipment continues to operate within legal constraints

is the proper way to answer this call ________．

A.This is TEXAS PRIDE．Pick a channel

B.This is TEXAS PRIDE on Channel 16．Come back

C.This is TEXAS PRIDE，WSR 1234，reply Channel 10

D.Please stand by．We're busy right now

What is meant by the term“radio silence”________．

A.Stations not directly involved with the on-going distress communications may not transmit on the distress frequency or channel

B.Stations remaining off the air to safeguard proprietary information

C.Two three-minute silent periods，at 15 and 45 minutes after the hour，that provide a transmitting“window”for distressed vessels to transmit distress alerts using J3E

D.Communications on a distress frequency or channel is banned for 24 hours following the cessation of the distress traffic

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

survival craft ________．

A.Radio direction finder

B.Satellite EPIRBs

C.MF/HF DSC

D.VHF homing device

amming ________．

A.Navigational warnings

B.Weather warnings

C.SAR and distress alert information

D.All of the above

receive a message concerning ______．

A.The safety of navigation or important meteorological warnings

B.The safety of a vessel or a person is in jeopardy

C.A vessel in need of immediate assistance

D.A coast station traffic list

Each satellite broadcasts ______ traffic on a designated channel．

A.LES

B.ESA

C.NCS

D.EGC