航海英语救助作业用语单项选择题每日一练(2019.01.23)

单项选择题
Some sea water came into the wheel house during the voyage due to（）the window thereof.
A.not close
B.not closing
C.we didn't close
D.not to be closed
单项选择题
LIFTING THE ANCHOR FROM THE BOTTOM is called（）.
A.broaching the anchor
B.shifting the anchor
C.walking the anchor
D.weighing the anchor
单项选择题
In order to pay out or slack a mooring line which is under strain，you should（）.
A.sluice the line
B.surge the line
C.stopper the line
D.slip the line
单项选择题
It’s not advisable to cut（）the power supply.
A.out
B.off
C.down
D.away
单项选择题
During storm conditions on a vessel，the mooring tensions should be adjusted so that（）.
A.all mooring lines have a different tension
B.the leeward lines have higher tension than the windward lines
C.the maximum tension of the most heavily loaded line does not exceed the safe working load
D.all horizontal tension forces on the windward lines are no greater than the vertical tension forces