A.lift
B.rise
C.elevate
D.hoist
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A.Radial
B.Sheath-screw
C.Quadrantal
D.Gravity
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
最新試題
The Repairer shall be relieved of all obligations under these terms and conditions caused by such all following matters except（）.
What danger is presented if a waterspout passes over a ship?（）
The terms ceiling and margin plate are associated with the（）.
The stevedores have already stowed the porcelain ware（）up to the deckhead.
You are operating a lift boat.When beginning to jack down you should（）.
The vessel or other goods upon which the Works have been carried out must be（）from the Repairer’s worksite within 3 days after the invoice date or in accordance with other written notification by the Repairer to the Customer.
The tweendecker has（）below the main deck.
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.
When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.
Fueling activities（）waste liquids and vapor releases to air.