A.The rusting area
B.The rusted area
C.The corroded area
D.The corrosive area
您可能感興趣的試卷
你可能感興趣的試題
A.continue ahead at slow speed
B.continue ahead at half speed
C.stop your engines
D.back down on your engines
A.The boat should be hoisted a few inches clear of the cradle before cranking out the davits
B.The inboard gripes should be cast off before the outboard gripes
C.The outboard section of the cradle must be released
D.The tricing pendants will automatically bring the boat alongside at the embarkation deck
A.spotting a boom
B.collaring a boom
C.cradling a boom
D.toppling a boom
A.loosely
B.closely
C.heavily
D.strongly
A.Personnel may work beneath suspended loads，as long as they are alert and wear hard hats
B.If a suspended load with no tag begins to spin，personnel should attempt to stop the spinning if the load is within reach
C.If tag lines are used to control a suspended load，they should be secured to the deck
D.Personnel not involved in the hoisting operation should be kept clear of the transfer area
A.inspect
B.impairs
C.impacts
D.insects
A.coiling the line
B.faking down the line
C.flemishing the line
D.racking the line
A.operated by one winchman
B.cradled on deck
C.swung from one hatch to the adjacent hatch
D.collared to the mast
A.primers and paints
B.painters
C.promisers
D.compromisers
A.Locked up
B.Readily accessible for use
C.Inaccessible to passengers
D.On the topmost deck of the vessel at all times
最新試題
The terms ceiling and margin plate are associated with the（）.
Which tackle arrangement has the LEAST mechanical advantage（）.
You are operating a lift boat.When beginning to jack down you should（）.
When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.
When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.
The purpose of the tripping line on a sea anchor is to（）.
The Chief Petty Officer employed in the repair and maintenance work shall such abilities as to prepare and apply（）.
The process of lowering a boom to a horizontal position and onto its deck support is called（）.
Fueling activities（）waste liquids and vapor releases to air.
The main advantage and chief characteristic of a Steulchen boom is that it can be（）.