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 Chief Petty Officer employed in the repair and maintenance work shall such abilities as to prepare and apply（）.
Which tackle arrangement has the LEAST mechanical advantage（）.
The process of lowering a boom to a horizontal position and onto its deck support is called（）.
The Repairer shall be relieved of all obligations under these terms and conditions caused by such all following matters except（）.
When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.
The usual method of arranging a line on deck so that it will run out easily without kinking or fouling is（）.
What is TRUE about hoisting operations?（）
The terms ceiling and margin plate are associated with the（）.
The margin plate is the（）.
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.