航海英语安全用语章节练习(2018.03.03)

单项选择题
A message warning of a tropical storm should be sent as a(n)（）.
A.routine message
B.urgent message
C.distress message
D.safety message
单项选择题
Where would you find the call sign or call letters of the radio station on your ship?（）
A.In the rig safety manual
B.On the Certificate of Inspection
C.On the Ship Station License
D.On the rig Watch Bill
单项选择题
Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?（）
A.Add ballast in the afterpeak
B.Add ballast forward
C.Alter course
D.Reduce speed
单项选择题
Geographic range is the maximum distance at which a light may be seen under（）.
A.existing visibility conditions，limited only by the curvature of the Earth
B.perfect visibility conditions，limited only by the curvature of the Earth
C.existing visibility conditions，limited only by the intensity of the light
D.perfect visibility conditions，limited only by interference from background lighting
单项选择题
The radiotelegraphy safety messages for condition indicating distress，urgency and safety，respectively，are（）.
A.SOS，ZZZ，XXX
B.SOS，UUU，SSS
C.SOS，XXX，TTT
D.SOS，TTT，UUU
单项选择题
In the International Code of signals，a group of three letters indicates（）.
A.urgency or an emergency
B.the vessel's national identity signal
C.a group from the general signal code
D.a group from the medical signal code
单项选择题
Proper use shall be made（）radar equipment if fitted and operational.
A.of
B.to
C.on
D.with
单项选择题
Before entering the chain locker，you should（）.
A.have someone standing by
B.make sure there is sufficient air within the locker
C.de-energize the windlass
D.All of the above
单项选择题
Good anchorage may be obtained anywhere in this water area，the bottom being generally mud and sand，vessel may have（）.
A.good getting ground
B.good holding ground
C.good grabbing ground
D.good handling ground
单项选择题
There is a drilling rig established（）position 24.1E 25.2N.
A.at
B.on
C.in
D.above