A.Radial
B.Sheath-screw
C.Quadrantal
D.Gravity
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A.Centrifugal
B.Gear
C.Piston
D.Vane
A.A flashing light combined with a fixed light of greater brightness
B.Light flashes combined in groups，with a different number of flashes in each group
C.A light showing groups of two or more flashes at regular intervals
D.A fixed light varied at regular intervals by groups of two or more flashes of greater brightness
A.auxiliary guys
B.extra fair leads
C.steel bands
D.stops
A.be open to view so，if a foreign object gets in the gearing，the operator can immediately stop the machinery
B.have a guard over the gearing
C.be painted a contrasting color from the base color in order to call attention to the gearing
D.not be operated if there is any crew within 10 feet of the machinery
A.conspicuously marked
B.stowed anywhere
C.left on deck
D.secured or stowed out of the way
最新試題
The lifeboats on your vessel are stowed on cradles on deck and are handled by sheath-screw boom davits. Which of the following statements about launching a boat is TRUE?（）
The stevedores have already stowed the porcelain ware（）up to the deckhead.
You are handling a mooring line and are instructed to Check the line.What should you do（）.
Which mooring line prevents sideways motion of a vessel moored to a pier（）.
Which will cause a wire rope to fail（）.
To warp a vessel means to（）.
You have been towing astern and have just let go the tow.Your deckhands are pulling in and faking the towline by hand on the stern.The most dangerous action to take is to（）.
What is TRUE about hoisting operations（）.
The Customer agrees to pay the full invoiced price，plus all other amounts payable to the（）Repairer under these terms and conditions，relating to or arising out of the Works for the Customer.
The minimum length of a boat painter for a lifeboat in ocean service is（）.