A.lack of toxicity
B.the multipurpose extinguishing ability
C.bum-back protection
D.cooling ability
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A.can be used in conjunction with wire or spring-lay rope
B.can be stored on decks exposed to sunlight
C.can hold a load even when a considerable amount of the yarns have been abraded
D.gives audible warning of overstress whereas manila does not
A.used to measure the speed of wind
B.in which the pressure of air is measured
C.that tells which dirction a storm is coming from
D.used to measure the height of waves
A.a boat bucket
B.an air tank filled with water
C.an oar and canvas weighted down
D.All of the above
A.Carbon dioxide
B.Dry chemical
C.Foam
D.All of the above
A.fairlead
B.heaving line
C.stay
D.warp
最新試題
When steering by autopilot,how often should the steering be checked?（）
（）is where the crew eat their meals.
The circulation around a low pressure center in the Northern Hemisphere is（）.
A tide is called diurnal when（）.
ECDIS must be able to perform all of the following EXCEPT（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
The loading of the ship must be done in accordance with（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
Full details of all lights and fog signals are shown on（）.