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
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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
A.stopper
B.screen
C.filter
D.restrictor
最新試題
An obstruction on a helodeck is any object that might present a hazard to the（）.
A fishing vessel displaying the lights shown is（）.
A fishing vessel casualty must be reported to the Coast Guard if it involves（）.
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（）.
A head-on situation at night is one in which you see dead ahead a vessel showing（）.
All ships（）suspected infectious disease on board should radio information to Port Health Officer.
A large metallic device，mounted directly in the piping (usually located at the dock near the point where the vapor hose is attached)，designed to prevent the passage of a rapidly moving flame through the piping is called a（）.
A fire pump may be used for other purposes if（）.
It is not necessary to declare（）in MARITIME HEALTH DECLARATION.
A large valve，usually installed above the ram preventers，that forms a seal in the annular space between the pipe and wellbore or，if no pipe is present，on the wellbore itself is called the（）.