A.two tucks with whole strands and one tuck with one-half strand
B.three tucks with whole strands and two tucks with 1/2 the wire cut from the tucking strand
C.three tucks with whole strands
D.two tucks with whole strands and three tucks with half strands
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A.to shoot
B.to fire
C.to let go
D.to send to sky
A.becket bend
B.blackwall hitch
C.figure-eight knot
D.square knot
A.composite
B.left-lay
C.improved
D.preformed
A.lifelines
B.righting strap
C.sea anchor
D.towing bridle
A.Depth of the water
B.Character of the holding ground
C.maintenance cost for the chain
D.Type of anchor cable
最新試題
In the manufacture of wire rope，if the wires are shaped to conform to the curvature of the finished rope before they are laid up，the rope is called（）.
In determining the scope of cable to be used when anchoring，what would NOT be considered?（）.
The equipment required to remove an on-deck oil spill on a barge transfering oil must either be arried on board or（）.
In order to retrieve an inflatable life raft and place it on deck，you should heave on the（）.
The canopy of an inflatable liferaft should（）.
Immersion suits must be stowed（）.
Instead of whipping an end of a line，a temporary means of preventing the line from unraveling is to tie a（）.
The davit aboard a ship is used to（）.
By regulation，life preservers aboard an uninspected towing vessel must be（）.
Each commercial fishing vessel must have at least one immersion suit，exposure suit，or life preserver for each（）.