A.sling psychrometer
B.microbarograph
C.anemometer
D.aneroid barometer
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A.can hold a load even when a considerable number of the yarns have been abraded
B.can be stored on deck，exposed to sunlight
C.can be used in conjunction with wire or spring-lay rope
D.gives audible warning of overstress whereas manila does not
A.of
B.for
C.to
D.at
A.at
B.in
C.by
D.from
A.two black balls in a vertical line
B.three black balls in a vertical line
C.three shapes in a vertical line； the highest and lowest shall be red balls and the middle a white diamond
D.three black shapes in a vertical line； the highest and lowest shall be balls and the middle one a diamond
A.a vessel restricted in her ability to maneuver
B.a vessel engaged in laying，serving or picking up a navigation mark，submarine cable or pipeline
C.a vessel not under command
D.a power-driven vessel
最新試題
A single heavy wire made up for the topping lift is called a（）.
On a ship，each emergency generator must be tested at least once each（）.
A stopper is（）.
Which statement is TRUE concerning gasoline vapors on board a vessel（）.
Your vessel is equipped with a fixed CO2 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?（）
You are ordering ship’s stores. Which statement is TRUE?（）
Your vessel is listing 4° to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by the head with one foot of freeboard at the bow. Which action should you take FIRST?（）
A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a（n）（）.
The Purchaser shall（），prior to the ship’s departure，the invoiced amount at the rate of exchange applicable on the day of payment.
Which statement is TRUE concerning fuel vapors on a vessel（）.