A.Right-hand laid
B.Cable-laid
C.Sennet-laid
D.Water-laid
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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
A.equally sharing the load
B.jammed together
C.as far apart as possible
D.rove to the highest mechanical advantage
最新試題
An effective braking system for windlasses on rigs in deep water is a(n)（）.
If an emergency pump control is used as the emergency shutdown on a tanker，it must（）.
The canopy of an inflatable liferaft should（）.
A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.
The davit aboard a ship is used to（）.
It is permissible to place an eye splice in wire rope used as cargo gear providing the splice is made using（）.
In determining the scope of cable to be used when anchoring，what would NOT be considered?（）.
In order to retrieve an inflatable life raft and place it on deck，you should heave on the（）.
Cable tension for catenary calculations is taken at the（）.
Deck foam systems，designed to protect cargo areas on tankers built after January 1，1975，must have a supply of foam-producing material to operate the system at its designed rate of foam production for（）.