A.increases the strength of the hook
B.prevents the sling ring from coming out of the hook if the strain is abruptly eased
C.prevents the sling ring from coming out of the hook if there is a strain on the sling ring
D.All of the above
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A.square knot
B.carrick bend
C.sheet bend
D.bowline
A.square knot
B.carrick bend
C.becket bend
D.sheepshank
A.monkey's fist
B.ball or baseball knot
C.heaving knot
D.three strand Turk's head
A.at the base of the boom
B.at the cargo hook
C.near the midships guy
D.near the spider band
A.inherent weakness
B.tendency to rot if left damp
C.danger to crew if it parts
D.strength and shock absorbing abilities
最新試題
What is meant by the term two-blocked（）.
Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use（）.
What material may be substituted for zinc when making a poured metal socket ending to a wire rope（）.
Which is standing rigging（）.
When towing，what is the main reason for using a chain bridle on a wire hawser（）.
The square knot is used for（）.
The rope which is rove from the truck to be used with a bos’n chair is called a（）.
When a line is subject to wear where it passes through a mooring chock，it should be（）.
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（）.
Which is NOT a part of an anchor（）.