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
The latest edition of ISSA Ship Stores Catalogue is（）.
The three conditions which cause engine shutdown are overspeed，low lube oil pressure，and（）.
A splice that can be used in running rigging，where the line will pass through blocks，is a（）.
The Purchaser shall（），prior to the ship’s departure，the invoiced amount at the rate of exchange applicable on the day of payment.
Kort nozzles are installed around the propellers of some vessels to（）.
Which statement is TRUE concerning fuel vapors on 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?（）
A stopper is（）.
If the Vendor is unable to make delivery，or to make delivery in good time，owing to force majeure then the Vendor’s obligation to deliver shall（）.
A single heavy wire made up for the topping lift is called a（）.