A.The bottom block touches the top block
B.The line has jumped the sheaves
C.There are turns in the fall
D.You have two blocks
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A.strips of burlap
B.heavy paper
C.dunnage boards
D.strips of rope yarn
A.the cargo fall
B.The cargo hoisting wire rope
C.the topping lift
D.the cargo whip
A.Nylon
B.Dacron
C.Manila
D.Sisal
A.forming temporary eyes in lines
B.joining two lines of equal size
C.keeping line from unlaying or fraying
D.joining two lines of different size
A.gantline
B.life line
C.strop
D.whip
最新試題
Neglecting friction，you desire to lift a 300 kgs weight with a stress on the hauling part of 100 kgs.Which of the following tackles would you use（）.
Nylon line is better suited than manila for（）.
What is the bow type anchor shackle primarily used for（）.
What should you do to a line to prevent fraying where it passes over the side of the vessel（）.
The tackle that raises and lowers the boom is（）.
What type of line melts easiest（）.
What is NOT running rigging（）.
What is meant by the term two-blocked（）.
When a line is laid down in loose，looping figure-eights，it is said to be（）.
The only wire rope termination which may be made in the field is（）.