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A life preserver or buoyant work vest is required to be worn on a ship when a person is ______.
A.working on the rig floor
B.working over water
C.working on the pipe racks
D.operating line throwing equipment
参考答案
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单选题Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.A
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单选题Each life preserver must be readily accessible to the person for whom it is intended while he or she is（）.A
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单选题On a ship，when may a work vest be substituted for a required life preserver?（）A
To replace a damaged life preserverB
For use during fire drillsC
For use during boat drillsD
At no time
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单选题A life preserver or buoyant work vest is required to be worn on a ship when a person is （）.A
working on the rig floorB
working over waterC
working on the pipe racksD
operating line throwing equipment
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单选题Each life preserver must be readily accessible to the person for whom it is intended while he or she is（）.A
at workB
in his or her berthing areaC
BOTH at work and in his or her berthing areaD
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单选题On a ship，how many ring buoys are required to have a buoyant line attached?（）A
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单选题The minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of（）.A
one approved flotation cushion for each person on boardB
one approved life preserver for each person on board and one life ringC
one approved inflatable vest for each person on boardD
lifeboat capacity equal to 1 1/2 times the number of persons on board
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单选题Coast Guard approved buoyant work vests（）.A
may be substituted for 10 percent of the required life preserversB
should be stowed adjacent to lifeboats and emergency stationsC
may be used by boat crews and line handlers during lifeboat drillsD
should be used when carrying out duties near a weather deck's edge
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单选题Line throwing apparatus aboard ship must contain（）.A
two rockets，one of which shall be the buoyant typeB
three rockets，one of which shall be the buoyant typeC
four rockets，two of which shall be the buoyant typeD
five rockets，two of which shall be the buoyant type
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