A.wooden blocks or dunnage placed between a deck load and the deck
B.the chains and shackles used to secure a deck cargo
C.a crate in which a deck cargo is packaged
D.cardboard separation pieces placed between deck loads to prevent chafing
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A.has less strength than manila line
B.has more strength than manila line
C.is equivalent to manila line
D.will rot quicker than manila line
A.anchor the boat
B.pick up heavy loads
C.protect fiber rope from abrasion
D.strengthen mooring lines
A.for portable fenders
B.for ground tackle
C.on the inside of the hawsepipe
D.on mooring lines
A.a factor of safety
B.additional strength
C.a distribution of the towing load
D.All of the above
A.the total weight in air of the casing string is removed from the ship
B.the hook load (weight of the casing string) is removed from the ship
C.the weight of the casing inside the riser is removed from the ship
D.the weight of the casing string added to the weight of the fill-up mud is removed from the ship
最新試題
A whipping is（）.
The main function of the core of a wire rope is to（）.
The size of wire rope is determined by the（）.
The rope which is the lightest is（）.
Chafing gear is used to（）.
A splice that can be used in running rigging，where the line will pass through blocks，is a（）.
Limit switches on gravity davits should be tested by（）.
The strongest method of forming an eye in wire rope is using（）.
Chafing gear is normally used（）.
The only wire rope termination which may be made in the field is（）.