A.Centrifugal
B.Gear
C.Piston
D.Vane
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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
A.coiling
B.faking
C.flemishing
D.lining
最新試題
The tweendecker has（）below the main deck.
When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.
Any Works completion date quoted by the Repairer is an estimate only and the Repairer shall not be（）liable for any failure to complete the Works by that date.
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 process of lowering a boom to a horizontal position and onto its deck support is called（）.
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.
When a line is spirally coiled about its end and lying flat on deck，it is said to be（）.
Which tackle arrangement has the LEAST mechanical advantage（）.
The purpose of the tripping line on a sea anchor is to（）.