A.week
B.month
C.crew change
D.other week
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A.posted with instructions on the operation of the system
B.ventilated and equipped with explosion-proof switches
C.painted with red and black diagonal stripes
D.equipped with a battery powered source of emergency lighting
A.Carbon dioxide
B.Water (stored pressure)
C.Dry chemical
D.Foam
A.deteriorate and give off noxious gasses
B.spontaneously heat and catch fire
C.attract lice and other vermin and serve as a breeding ground
D.None of the above
A.fire-main system
B.feed-water system
C.freshwater sanitary system
D.domestic water tank
A.two rockets，one of which shall be the buoyant type
B.three rockets，one of which shall be the buoyant type
C.four rockets，two of which shall be the buoyant type
D.five rockets，two of which shall be the buoyant type
最新試題
In launching a covered lifeboat，what would safely lower the lifeboat from inside the lifeboat cabin?（）
Frapping lines are fitted to lifeboat davits to（）.
Line throwing apparatus aboard ship must contain（）.
On a vessel making a voyage more than 48 hours long，regulations require that（）.
The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is（）.
The sea painter is secured in the lifeboat by（）.
During the required periodic abandon ship drill aboard a ship，each person not assigned duties in the muster list is（）.
On a small boat，which knot is best suited for attaching a line to the ring of an anchor?（）
Normally，potable water systems are connected directly to the（）.
After abandoning ship，you should deploy the sea anchor from a liferaft to（）.