更多"A Class S EPIRB is a（）."的相关试题:
[单项选择]A Class C EPIRB（）.
A. is primarily designed for vessels operating up to 50 miles offshore or on foreign waters
B. transmits a signal that can be detected by satellite
C. must be manually activated
D. operates in the medium and low frequency bands
[单项选择]A Class A EPIRB is NOT（）.
A. approved by the CCS
B. designed for float free，automatic activation
C. operated on 121.5/243 MHz
D. operated manually
[单项选择]The Class A EPIRB transmits a signal（）.
A. that follows the curvature of the earth
B. that can be picked up by SARSAT satellite
C. that activates an alarm on board nearby aircraft
D. to alert shore stations and then transmits a homing signal
[单项选择]Each Class A EPIRB shall be stowed in a manner which will permit（）.
A. easy access to its storage compartment
B. replacement of the battery without exposure to the weather
C. it to float free if the vessel sinks
D. it to remain attached to the vessel
[单项选择]When testing a Class A EPIRB you will know the EPIRB is working properly if you hear on 99.5 Mhz FM or any vacant frequency on a nearby AM radio（）.
A. a distinctive signal
B. the Morse Code signal for SOS
C. a computerized voice announcement of Mayday
D. your vessel's International Radio Call Sign
[单项选择]CATEGORY A EPIRB’s transmit on frequencies that are monitored by（）.
A. orbiting satellites in space
B. commercial radio stations
C. private，commercial，and military aircraft
D. ordinary radio stations
[单项选择]What does EPIRB stand for? （）
A. Emergency Position Indicating Radar Buoy
B. Electronic Pulse Indicating Radiobeacon
C. Emergency Position Indicating Radiobeacon
D. None of the above
[单项选择]Which EPIRB transmits a distress alert that is received and relayed by an INMARSAT satellite?（）
A. Class A EPIRBs
B. Class B EPIRBs
C. L-Band EPIRBs
D. Category I EPIRBs
[多项选择]GMDSS系统中EPIRB的功能有（）
A. 遇险报警
B. 通信
C. 识别
D. 定位
E. 寻位
[单项选择]（）process the distress signal from EPIRB to determine its position and identity.
A. COSPAS-SARSAT
B. Ground receiving stations
C. storing distress signal
D. Near-polar orbiting satellites
[单项选择]On offshore drilling units，each EPIRB or SART must be tested once every（）.
A. day
B. week
C. month
D. year
[单项选择]Each EPIRB required on an OSV shall be tested using the integrated test circuit and output indicator every（）.
A. week
B. two weeks
C. month
D. two months
[单项选择]Each EPIRB required on a ship shall be tested using the integrated test circuit and output indicator every（）.
A. week
B. two weeks
C. month
D. two months
[单项选择]Each EPIRB required on a ship shall be stowed in a manner which will permit（）.
A. easy access to its storage compartment
B. replacement of the battery without exposure to the weather
C. it to float free if the unit sinks
D. it to remain attached to the unit
[简答题]无线电应急示位标（EPIRB）的主要作用是什么？
[单项选择]
EPIRB具有的功能有：（）
①遇险通信
②定位
③遇险报警
④识别和寻位
A. ①②③
B. ②③
C. ②③④
[单项选择]Survival craft EPIRBs (Class S) are（）.
A. permanently mounted in the survival craft
B. portable and stowed for carriage to the survival craft
C. permanently mounted on the bridge wings
D. portable and stowed in the emergency gear locker
