航海英语航海图书资料单项选择题每日一练(2019.01.06)

单项选择题
Clearance gauges at bridges indicate （）.
A.the height of the tide
B.depth of water under the bridge
C.charted vertical clearance at mean low water
D.distance from the water to low steel of the bridge
单项选择题
A report of casualty to a mobile offshore drilling unit must be made in writing to which office? （）
A.Commandant of the Coast Guard
B.Owner of the unit
C.Nearest Coast Guard Marine Safety Office
D.Captain of the nearest port
单项选择题
The Sailing Directions contain information on （）.
A.required navigation lights
B.lifesaving equipment standards
C.casualty reporting procedures
D.currents in various locations
单项选择题
A position that is obtained by applying estimated current and wind to your vessel’s course and speed is a(n) （）.
A.estimated position
B.dead reckoning position
C.fix
D.None of the above
单项选择题
Passage through the Suez Canal is operated on a （） system．
A.convey
B.convoy
C.escort
D.conform