A.using a rotary grinder with an installed shield
B.letting go the anchor
C.handling wire rope or natural fiber line
D.painting with a spray gun
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A.flashing red lights
B.flashing green lights
C.white lights
D.yellow lights
A.Self-contained breathing apparatus with a lifeline attached
B.Combustible gas indicator
C.Rigid helmet，boots，and gloves
D.Flame safety lamp
A.a lifeboat drill be held within 12 hours prior to departure
B.fire pumps be tested by starting within 12 hours prior to departure
C.the emergency generator and lighting system be tested by starting and operating within 12 hours prior to departure
D.the entire steering gear be tested within 12 hours prior to departure
A.Clove hitch
B.Figure-eight knot
C.Fisherman's bend
D.Overhand knot
A.To replace a damaged life preserver
B.For use during fire drills
C.For use during boat drills
D.At no time
最新試題
The sea painter is secured in the lifeboat by（）.
Oily rags stored in a pile that is open to the atmosphere are a hazard because they may（）.
During the required periodic abandon ship drill aboard a ship，each person not assigned duties in the muster list is（）.
If absolutely necessary，the best way to land on a beach in a motor lifeboat is to（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
The falls on gravity davits are（）.
Normally，potable water systems are connected directly to the（）.
Line throwing apparatus aboard ship must contain（）.
On a small boat，which knot is best suited for attaching a line to the ring of an anchor?（）
On a ship，a fire drill shall be conducted once every（）.