A.a mattress
B.spilled liquids such as oil or paint
C.high voltage electrical gear
D.a trash can
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A.greater range
B.effective on all types of fires
C.cleanliness
D.All of the above
A.lack of toxicity
B.the multipurpose extinguishing ability
C.bum-back protection
D.cooling ability
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
最新試題
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
Bales close to the deckhead should be covered to prevent（）.
The mean draft of a ship is the draft（）.
The ISM code is part of（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
Full details of all lights and fog signals are shown on（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
When the wave period and the apparent rolling period are the same（）.
Which of the following shall not the officers in charge of the navigational watch do?（）