A.one barrel
B.two barrels
C.five barrels
D.ten barrels
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A.any wire running fore-and-aft on a ship
B.any wire with a fiber core
C.a heavy wire extending from the trunk of the mast to the head of the boom
D.a heavy wire extending from the mast，atwartships to the deck，to support the mast
A.In the lower level of the pumproom
B.In the middle level of the pumproom
C.In the upper level of the pumproom
D.On the deck outside the pumproom
A.weather deck
B.orlop deck
C.shelter deck
D.main deck
A.tripping line
B.tripping bracket
C.norman pin
D.steamboat ratchet
A.two chains of equal length
B.a single nylon pendant rove through a heavy ring free to move on the pendant
C.two long legs of wire rope shackled to a fishplate
D.a single length of heavy chain with both ends secured on deck to welded pad eyes
最新試題
The terms ceiling and margin plate are associated with the（）.
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（）.
The tweendecker has（）below the main deck.
When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.
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 margin plate is the（）.
To warp a vessel means to（）.
The minimum length of a boat painter for a lifeboat in ocean service is（）.
When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.
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?（）