A.comes over the bow
B.blows the fire back toward the vessel
C.comes over the stern
D.comes over either beam
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A.spooling it on a winch cathead
B.coiling it in a counterclockwise direction on the fantail
C.faking it on deck in a fore and aft direction
D.spooling it on a reel lying on its side to prevent rolling
A.diverter bit
B.hole reamer
C.core bit
D.conventional bit
A.A flashing amber light
B.A fixed red light
C.A white flag raised and lowered vertically
D.A flashing white light
A.at all times
B.in the bottom return mode
C.in the volume reverberation mode
D.only when there is no current
A.heavy
B.easily damaged
C.affected by temperature
D.costly relative to the strength ratio
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An inert gas system installed on a tanker is designed to（）.
A green buoy has a yellow triangle on it. This is a(n)（）.
A frame with two，or sometimes four，arms through which are threaded the guidelines and which is used to keep the drill stem and bit in line with the center opening in the temporary guide base is the（）.
Cargo transfer operations on a tank vessel need NOT be stopped when（）.
A large basin cut into the shore，closed off by a caisson，and used for dry docking of ships is known as a（）.
A jack-up drilling rig being towed must（）.
For the purposes of cargo oil containment，the fixed container under the manifold of an eight-inch loading line must hold a minimum of（）.
An inert gas system on a tanker should be used to（）.
How could lashing gear used aboard Ro-Ro vessels be stowed when not in use? （）
Permanent magnetism is found in（）.