A.distortion and compression
B.hydraulic and mechanical
C.magnetic and applied torque
D.frictionless and hydraulic
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A.of
B.on
C.at
D.in
A.flashing amber light
B.yellow light with the same characteristics as the sternlight
C.all-round yellow light
D.yellow light with the same characteristics as the masthead light
A.fuel oil
B.sludge
C.oil refuse
D.All of the above
A.Mayday
B.Pan
C.Safety
D.Interco
A.SOS sent three times
B.ten one-second dashes with a four-second interval between them
C.twelve four-second dashes with a one-second interval between them
D.twelve one-second dashes with a short interval between them
最新試題
The transmission of messages respecting the dangers specified is free（）cost to the ships concerned.
What does the term TO NAVIGATE WITH CAUTION mean?（）.
The term OIL as used in the Oil Pollution Regulations means（）.
The radiotelegraph alarm signal is（）.
To prevent a wooden hull from leaking you caulk it（）.
The expression FIRST MAGNITUDE is usually used to refer only to bodies of magnitude（）.
Fog forms when the air（）.
What is required to launch a boat stowed in a crescent davit?（）
The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.