A.Carbon disulfide
B.Ethyl alcohol
C.Isoprene
D.Oleum
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A.distance
B.largeness
C.diameter
D.measurerment
A.Hoist the boat clear of the cradle
B.Release the outboard part of the cradle
C.Rig the tricing lines
D.Crank the crescent out
A.Distance line
B.Gantline
C.Heaving line
D.Tag line
A.The efficiency increases
B.The efficiency decreases
C.The efficiency remains the same
D.The efficiency cannot be determined.
A.Shuga
B.Floe
C.Spicule
D.Bergy bit
最新試題
What is normally used to pass a mooring line to a dock?（）
What is the MOST irritating to the skin?（）
The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word（）.
What is required to launch a boat stowed in a crescent davit?（）
There is something wrong with our radar．All kinds of objects can’t be clearly（）within the definite range.
The radiotelegraph alarm signal is（）.
What happens to the efficiency of an anchor when it is moved from sand to mud?（）
What is the（）of the turning circle in mavoeuvring?
The two main types of load cells used in mooring tension gauges are（）.
The best method to stop a vessel from dragging anchor in a sand bottom is to（）.