A.readily accessible
B.securely stowed
C.stored in sealed containers
D.stowed with the emergency provisions
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A.Right-hand laid
B.Cable-laid
C.Sennet-laid
D.Water-laid
A.sufficient oxygen in a compartment to support life
B.combustible gases present
C.hydrogen gas present
D.All of the above
A.only when the load is taken off the cable
B.only when there is a load on the cable
C.only when activated by the controls at the lowering station
D.at any time
A.larger chain stopper
B.disc backstopping brake
C.hydraulic clutch
D.electrical regenerative braking system
A.filling completely
B.developing free surface
C.developing free surface moment
D.collapsing
最新試題
An on-load release system on a survival craft means the cable can be released（）.
Is it safe（）a rocket?
If an emergency pump control is used as the emergency shutdown on a tanker，it must（）.
In the manufacture of wire rope，if the wires are shaped to conform to the curvature of the finished rope before they are laid up，the rope is called（）.
A tackle is two blocked when the blocks are（）.
The canopy of an inflatable liferaft should（）.
A spring line leads（）.
A serving mallet is used in（）.
If the ship is alongside the wharf，what kind of（）is used?
Cable tension for catenary calculations is taken at the（）.