航海英语海上通信章节练习(2018.01.28)

单项选择题
Equipment requirement vary according to（）.
A.Ship owner‟s will
B.economic condition
C.the area in which the ship operates
D.different orders of all countries
单项选择题
All self-propelled vessels on an international voyage must be equipped with how many Emergency Position Indicating Radiobeacons (EPIRB)（）?
A.One approved Class A EPIRB
B.Two approved Class A EPIRBs
C.One approved Class B EPIRBs
D.Two approved Class B EPIRBs
单项选择题
The concept of NAVTEX is of a（）system for the broadcast and reception of MSI.
A.complete service
B.partial controlled
C.quite new
D.total co-ordinated
单项选择题
（）there danger of explosion?
A.Is
B.Has
C.If
D.Do
单项选择题
The distance between the two NAVTEX stations with the same B1 character should be not exceed（）nautical miles.
A.400
B.240
C.450
D.180
单项选择题
DSC distress relays can be transmitted by either（）or（）.
A.a coast station/a ship station
B.an EPIRB/a SART
C.ARQ/FEC
D.a back-up satellite/a land SAR unit
单项选择题
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
单项选择题
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
A.exchange navigational information between vessels
B.exchange navigational information between a vessel and a shore station
C.conduct necessary tests
D.exchange operating schedules with company dispatcher
单项选择题
（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
A.which is assisted
B.that assist you
C.when you assisted
D.when being assisting
单项选择题
The（）is that search and rescue authorities ashore, as well as shipping in the immediate vicinity of the ship in distress, will be rapidly alerted to a distress incident so they can assist in a coordinated SAR operation with the minimun delay.
A.common communication system
B.distress traffic system
C.basic concept of GMDSS
D.SAR operation procedure