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
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A.Cirrus
B.Cumulus
C.Stratus
D.Nimbus
A.a mattress
B.spilled liquids such as oil or paint
C.high voltage electrical gear
D.a trash can
A.satellite communications
B.navigational information
C.weather information
D.position reporting service
A.At least two lifeboats
B.A radiotelephone
C.A radio direction finder
D.None of the above
A.carried by hand to a fire
B.carried or rolled to a fire
C.recharged in the field
D.used on class "B" fires
最新試題
An icebreaker displaying a flag hoist which consists of the code letters “WO” (Whiskey Oscar) is indicating that（）.
An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show? （）
All of the following vessels are “restricted in their ability to maneuver” EXCEPT a vessel （）.
An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter “E” (Echo) to signify that “（）”.
An engine compartment gasoline fire requires which type of extinguisher?（）
All OSV personnel should be familiar with survival craft（）.
In respect of carrier’s liabilities，responsibilities，rights and immunities the（）contained in the International Convention for the Unification of Certain Rules Relating to Bills of Lading，signed at Brussels on August 25，1924，shall be applied.
An inflatable liferaft is floating in its container，attached to the ship by its painter，as the ship is sinking rapidly. Which action should be taken with respect to the liferaft container? （）
Antiseptics are used principally to（）.
Aids to navigation marking the intracoastal waterway can be identified by（）.