A.a 30 second on 30 second off alternating signal
B.the continuous blast of the ships whistle for not less than 10 seconds supplemented by the continuous ringing of the general alarm bells for not less than 10 seconds
C.an intermittent ringing of the general alarm for not less than ten seconds
D.announced over the PA system
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A.close and seal around the drill pipe
B.close and seal around casing
C.cut off pipe inside the preventer stack
D.close and seal around drill collars
A.pressure differences in the atmosphere
B.the length of the hose attached to the facepiece
C.the physical exertion of the person wearing the device
D.spaces containing poisonous vapors
A.mayday
B.pan pan
C.securite
D.seelonce feenee
A.all emergency signals
B.instructions for lowering the lifeboats
C.the time each weekly drill will be held
D.work schedule
A.secured inside the wheelhouse
B.tested annually
C.tested monthly
D.secured in the emergency locker
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The color of the signal flare sent up by a submarine about to surface due to an emergency condition within the submarine is（）.
Thirty-five percent of the breaking strength of an anchor cable is generally accepted as the（）.
The deck water seal of the inert gas system（）.
After having activated the emergency position indicating radio beacon，you should（）.
Each emergency generator on a mobile offshore drilling unit，when tested，must be run under a full load for at least（）.
A ship that，at any time，operates seaward of the outermost boundary of the territorial sea is required to prepare，submit，and maintain a(n)（）.
The signal for a fire emergency on an OSV is（）.
Cargo vessels being navigated，and fitted with emergency lighting and power systems，shall have their emergency systems tested at least once（）.
The shear rams of a ship blowout preventer stack are used in emergency well control to（）.
The radiotelephone urgency signal is（）.